Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
| 2 | # File system configuration |
| 3 | # |
| 4 | |
| 5 | menu "File systems" |
| 6 | |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 7 | if BLOCK |
| 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | config EXT2_FS |
| 10 | tristate "Second extended fs support" |
| 11 | help |
| 12 | Ext2 is a standard Linux file system for hard disks. |
| 13 | |
| 14 | To compile this file system support as a module, choose M here: the |
Jan Engelhardt | d23edbd | 2006-12-12 19:07:45 +0100 | [diff] [blame] | 15 | module will be called ext2. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | |
| 17 | If unsure, say Y. |
| 18 | |
| 19 | config EXT2_FS_XATTR |
| 20 | bool "Ext2 extended attributes" |
| 21 | depends on EXT2_FS |
| 22 | help |
| 23 | Extended attributes are name:value pairs associated with inodes by |
| 24 | the kernel or by users (see the attr(5) manual page, or visit |
| 25 | <http://acl.bestbits.at/> for details). |
| 26 | |
| 27 | If unsure, say N. |
| 28 | |
| 29 | config EXT2_FS_POSIX_ACL |
| 30 | bool "Ext2 POSIX Access Control Lists" |
| 31 | depends on EXT2_FS_XATTR |
Andreas Gruenbacher | b84c215 | 2005-07-07 17:56:57 -0700 | [diff] [blame] | 32 | select FS_POSIX_ACL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | help |
| 34 | Posix Access Control Lists (ACLs) support permissions for users and |
| 35 | groups beyond the owner/group/world scheme. |
| 36 | |
| 37 | To learn more about Access Control Lists, visit the Posix ACLs for |
| 38 | Linux website <http://acl.bestbits.at/>. |
| 39 | |
| 40 | If you don't know what Access Control Lists are, say N |
| 41 | |
| 42 | config EXT2_FS_SECURITY |
| 43 | bool "Ext2 Security Labels" |
| 44 | depends on EXT2_FS_XATTR |
| 45 | help |
| 46 | Security labels support alternative access control models |
| 47 | implemented by security modules like SELinux. This option |
| 48 | enables an extended attribute handler for file security |
| 49 | labels in the ext2 filesystem. |
| 50 | |
| 51 | If you are not using a security module that requires using |
| 52 | extended attributes for file security labels, say N. |
| 53 | |
Carsten Otte | 6d79125 | 2005-06-23 22:05:26 -0700 | [diff] [blame] | 54 | config EXT2_FS_XIP |
| 55 | bool "Ext2 execute in place support" |
Al Viro | 0c426f2 | 2006-06-23 02:04:08 -0700 | [diff] [blame] | 56 | depends on EXT2_FS && MMU |
Carsten Otte | 6d79125 | 2005-06-23 22:05:26 -0700 | [diff] [blame] | 57 | help |
| 58 | Execute in place can be used on memory-backed block devices. If you |
| 59 | enable this option, you can select to mount block devices which are |
| 60 | capable of this feature without using the page cache. |
| 61 | |
| 62 | If you do not use a block device that is capable of using this, |
| 63 | or if unsure, say N. |
| 64 | |
| 65 | config FS_XIP |
| 66 | # execute in place |
| 67 | bool |
| 68 | depends on EXT2_FS_XIP |
| 69 | default y |
| 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | config EXT3_FS |
| 72 | tristate "Ext3 journalling file system support" |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 73 | select JBD |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | help |
Matt LaPlante | cc2e276 | 2006-10-03 22:22:29 +0200 | [diff] [blame] | 75 | This is the journalling version of the Second extended file system |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | (often called ext3), the de facto standard Linux file system |
| 77 | (method to organize files on a storage device) for hard disks. |
| 78 | |
Matt LaPlante | cc2e276 | 2006-10-03 22:22:29 +0200 | [diff] [blame] | 79 | The journalling code included in this driver means you do not have |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | to run e2fsck (file system checker) on your file systems after a |
| 81 | crash. The journal keeps track of any changes that were being made |
| 82 | at the time the system crashed, and can ensure that your file system |
| 83 | is consistent without the need for a lengthy check. |
| 84 | |
| 85 | Other than adding the journal to the file system, the on-disk format |
| 86 | of ext3 is identical to ext2. It is possible to freely switch |
| 87 | between using the ext3 driver and the ext2 driver, as long as the |
| 88 | file system has been cleanly unmounted, or e2fsck is run on the file |
| 89 | system. |
| 90 | |
| 91 | To add a journal on an existing ext2 file system or change the |
| 92 | behavior of ext3 file systems, you can use the tune2fs utility ("man |
| 93 | tune2fs"). To modify attributes of files and directories on ext3 |
| 94 | file systems, use chattr ("man chattr"). You need to be using |
| 95 | e2fsprogs version 1.20 or later in order to create ext3 journals |
| 96 | (available at <http://sourceforge.net/projects/e2fsprogs/>). |
| 97 | |
| 98 | To compile this file system support as a module, choose M here: the |
Jan Engelhardt | d23edbd | 2006-12-12 19:07:45 +0100 | [diff] [blame] | 99 | module will be called ext3. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | config EXT3_FS_XATTR |
| 102 | bool "Ext3 extended attributes" |
| 103 | depends on EXT3_FS |
| 104 | default y |
| 105 | help |
| 106 | Extended attributes are name:value pairs associated with inodes by |
| 107 | the kernel or by users (see the attr(5) manual page, or visit |
| 108 | <http://acl.bestbits.at/> for details). |
| 109 | |
| 110 | If unsure, say N. |
| 111 | |
| 112 | You need this for POSIX ACL support on ext3. |
| 113 | |
| 114 | config EXT3_FS_POSIX_ACL |
| 115 | bool "Ext3 POSIX Access Control Lists" |
| 116 | depends on EXT3_FS_XATTR |
Andreas Gruenbacher | b84c215 | 2005-07-07 17:56:57 -0700 | [diff] [blame] | 117 | select FS_POSIX_ACL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | help |
| 119 | Posix Access Control Lists (ACLs) support permissions for users and |
| 120 | groups beyond the owner/group/world scheme. |
| 121 | |
| 122 | To learn more about Access Control Lists, visit the Posix ACLs for |
| 123 | Linux website <http://acl.bestbits.at/>. |
| 124 | |
| 125 | If you don't know what Access Control Lists are, say N |
| 126 | |
| 127 | config EXT3_FS_SECURITY |
| 128 | bool "Ext3 Security Labels" |
| 129 | depends on EXT3_FS_XATTR |
| 130 | help |
| 131 | Security labels support alternative access control models |
| 132 | implemented by security modules like SELinux. This option |
| 133 | enables an extended attribute handler for file security |
| 134 | labels in the ext3 filesystem. |
| 135 | |
| 136 | If you are not using a security module that requires using |
| 137 | extended attributes for file security labels, say N. |
| 138 | |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 139 | config EXT4_FS |
| 140 | tristate "The Extended 4 (ext4) filesystem" |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 141 | select JBD2 |
Andreas Dilger | 717d50e | 2007-10-16 18:38:25 -0400 | [diff] [blame] | 142 | select CRC16 |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 143 | help |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 144 | This is the next generation of the ext3 filesystem. |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 145 | |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 146 | Unlike the change from ext2 filesystem to ext3 filesystem, |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 147 | the on-disk format of ext4 is not forwards compatible with |
| 148 | ext3; it is based on extent maps and it supports 48-bit |
| 149 | physical block numbers. The ext4 filesystem also supports delayed |
| 150 | allocation, persistent preallocation, high resolution time stamps, |
| 151 | and a number of other features to improve performance and speed |
| 152 | up fsck time. For more information, please see the web pages at |
| 153 | http://ext4.wiki.kernel.org. |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 154 | |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 155 | The ext4 filesystem will support mounting an ext3 |
| 156 | filesystem; while there will be some performance gains from |
| 157 | the delayed allocation and inode table readahead, the best |
| 158 | performance gains will require enabling ext4 features in the |
| 159 | filesystem, or formating a new filesystem as an ext4 |
| 160 | filesystem initially. |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 161 | |
| 162 | To compile this file system support as a module, choose M here. The |
Jan Engelhardt | d23edbd | 2006-12-12 19:07:45 +0100 | [diff] [blame] | 163 | module will be called ext4dev. |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 164 | |
| 165 | If unsure, say N. |
| 166 | |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 167 | config EXT4DEV_COMPAT |
| 168 | bool "Enable ext4dev compatibility" |
| 169 | depends on EXT4_FS |
| 170 | help |
| 171 | Starting with 2.6.28, the name of the ext4 filesystem was |
| 172 | renamed from ext4dev to ext4. Unfortunately there are some |
Jan Engelhardt | f319fb8 | 2008-10-12 15:53:01 -0400 | [diff] [blame] | 173 | legacy userspace programs (such as klibc's fstype) have |
| 174 | "ext4dev" hardcoded. |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 175 | |
| 176 | To enable backwards compatibility so that systems that are |
| 177 | still expecting to mount ext4 filesystems using ext4dev, |
| 178 | chose Y here. This feature will go away by 2.6.31, so |
| 179 | please arrange to get your userspace programs fixed! |
| 180 | |
| 181 | config EXT4_FS_XATTR |
| 182 | bool "Ext4 extended attributes" |
| 183 | depends on EXT4_FS |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 184 | default y |
| 185 | help |
| 186 | Extended attributes are name:value pairs associated with inodes by |
| 187 | the kernel or by users (see the attr(5) manual page, or visit |
| 188 | <http://acl.bestbits.at/> for details). |
| 189 | |
| 190 | If unsure, say N. |
| 191 | |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 192 | You need this for POSIX ACL support on ext4. |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 193 | |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 194 | config EXT4_FS_POSIX_ACL |
| 195 | bool "Ext4 POSIX Access Control Lists" |
| 196 | depends on EXT4_FS_XATTR |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 197 | select FS_POSIX_ACL |
| 198 | help |
| 199 | POSIX Access Control Lists (ACLs) support permissions for users and |
| 200 | groups beyond the owner/group/world scheme. |
| 201 | |
| 202 | To learn more about Access Control Lists, visit the POSIX ACLs for |
| 203 | Linux website <http://acl.bestbits.at/>. |
| 204 | |
| 205 | If you don't know what Access Control Lists are, say N |
| 206 | |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 207 | config EXT4_FS_SECURITY |
| 208 | bool "Ext4 Security Labels" |
| 209 | depends on EXT4_FS_XATTR |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 210 | help |
| 211 | Security labels support alternative access control models |
| 212 | implemented by security modules like SELinux. This option |
| 213 | enables an extended attribute handler for file security |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 214 | labels in the ext4 filesystem. |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 215 | |
| 216 | If you are not using a security module that requires using |
| 217 | extended attributes for file security labels, say N. |
| 218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | config JBD |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | tristate |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | help |
Matt LaPlante | cc2e276 | 2006-10-03 22:22:29 +0200 | [diff] [blame] | 222 | This is a generic journalling layer for block devices. It is |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 223 | currently used by the ext3 file system, but it could also be |
| 224 | used to add journal support to other file systems or block |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 225 | devices such as RAID or LVM. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 227 | If you are using the ext3 file system, you need to say Y here. |
| 228 | If you are not using ext3 then you will probably want to say N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | |
| 230 | To compile this device as a module, choose M here: the module will be |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 231 | called jbd. If you are compiling ext3 into the kernel, you |
| 232 | cannot compile this code as a module. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | |
| 234 | config JBD_DEBUG |
| 235 | bool "JBD (ext3) debugging support" |
Jose R. Santos | c2a9159 | 2007-10-18 23:39:22 -0700 | [diff] [blame] | 236 | depends on JBD && DEBUG_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | help |
| 238 | If you are using the ext3 journaled file system (or potentially any |
| 239 | other file system/device using JBD), this option allows you to |
| 240 | enable debugging output while the system is running, in order to |
| 241 | help track down any problems you are having. By default the |
| 242 | debugging output will be turned off. |
| 243 | |
| 244 | If you select Y here, then you will be able to turn on debugging |
Jose R. Santos | c2a9159 | 2007-10-18 23:39:22 -0700 | [diff] [blame] | 245 | with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a |
| 246 | number between 1 and 5, the higher the number, the more debugging |
| 247 | output is generated. To turn debugging off again, do |
| 248 | "echo 0 > /sys/kernel/debug/jbd/jbd-debug". |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 250 | config JBD2 |
| 251 | tristate |
Girish Shilamkar | 818d276 | 2008-01-28 23:58:27 -0500 | [diff] [blame] | 252 | select CRC32 |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 253 | help |
| 254 | This is a generic journaling layer for block devices that support |
| 255 | both 32-bit and 64-bit block numbers. It is currently used by |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 256 | the ext4 and OCFS2 filesystems, but it could also be used to add |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 257 | journal support to other file systems or block devices such |
| 258 | as RAID or LVM. |
| 259 | |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 260 | If you are using ext4 or OCFS2, you need to say Y here. |
| 261 | If you are not using ext4 or OCFS2 then you will |
| 262 | probably want to say N. |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 263 | |
| 264 | To compile this device as a module, choose M here. The module will be |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 265 | called jbd2. If you are compiling ext4 or OCFS2 into the kernel, |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 266 | you cannot compile this code as a module. |
| 267 | |
| 268 | config JBD2_DEBUG |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 269 | bool "JBD2 (ext4) debugging support" |
Jose R. Santos | 0f49d5d | 2007-07-18 08:50:18 -0400 | [diff] [blame] | 270 | depends on JBD2 && DEBUG_FS |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 271 | help |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 272 | If you are using the ext4 journaled file system (or |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 273 | potentially any other filesystem/device using JBD2), this option |
| 274 | allows you to enable debugging output while the system is running, |
| 275 | in order to help track down any problems you are having. |
| 276 | By default, the debugging output will be turned off. |
| 277 | |
| 278 | If you select Y here, then you will be able to turn on debugging |
Jose R. Santos | 0f49d5d | 2007-07-18 08:50:18 -0400 | [diff] [blame] | 279 | with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a |
| 280 | number between 1 and 5. The higher the number, the more debugging |
| 281 | output is generated. To turn debugging off again, do |
| 282 | "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug". |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | config FS_MBCACHE |
Mingming Cao | 02ea210 | 2006-10-11 01:20:56 -0700 | [diff] [blame] | 285 | # Meta block cache for Extended Attributes (ext2/ext3/ext4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | tristate |
Theodore Ts'o | 03010a3 | 2008-10-10 20:02:48 -0400 | [diff] [blame] | 287 | depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR |
| 288 | default y if EXT2_FS=y || EXT3_FS=y || EXT4_FS=y |
| 289 | default m if EXT2_FS=m || EXT3_FS=m || EXT4_FS=m |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | |
| 291 | config REISERFS_FS |
| 292 | tristate "Reiserfs support" |
| 293 | help |
| 294 | Stores not just filenames but the files themselves in a balanced |
Matt LaPlante | cc2e276 | 2006-10-03 22:22:29 +0200 | [diff] [blame] | 295 | tree. Uses journalling. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
| 297 | Balanced trees are more efficient than traditional file system |
| 298 | architectural foundations. |
| 299 | |
| 300 | In general, ReiserFS is as fast as ext2, but is very efficient with |
| 301 | large directories and small files. Additional patches are needed |
| 302 | for NFS and quotas, please see <http://www.namesys.com/> for links. |
| 303 | |
| 304 | It is more easily extended to have features currently found in |
| 305 | database and keyword search systems than block allocation based file |
| 306 | systems are. The next version will be so extended, and will support |
| 307 | plugins consistent with our motto ``It takes more than a license to |
| 308 | make source code open.'' |
| 309 | |
| 310 | Read <http://www.namesys.com/> to learn more about reiserfs. |
| 311 | |
| 312 | Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com. |
| 313 | |
| 314 | If you like it, you can pay us to add new features to it that you |
| 315 | need, buy a support contract, or pay us to port it to another OS. |
| 316 | |
| 317 | config REISERFS_CHECK |
| 318 | bool "Enable reiserfs debug mode" |
| 319 | depends on REISERFS_FS |
| 320 | help |
| 321 | If you set this to Y, then ReiserFS will perform every check it can |
| 322 | possibly imagine of its internal consistency throughout its |
| 323 | operation. It will also go substantially slower. More than once we |
| 324 | have forgotten that this was on, and then gone despondent over the |
| 325 | latest benchmarks.:-) Use of this option allows our team to go all |
| 326 | out in checking for consistency when debugging without fear of its |
| 327 | effect on end users. If you are on the verge of sending in a bug |
| 328 | report, say Y and you might get a useful error message. Almost |
| 329 | everyone should say N. |
| 330 | |
| 331 | config REISERFS_PROC_INFO |
| 332 | bool "Stats in /proc/fs/reiserfs" |
Randy Dunlap | 880ebdc | 2007-05-08 00:26:59 -0700 | [diff] [blame] | 333 | depends on REISERFS_FS && PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | help |
| 335 | Create under /proc/fs/reiserfs a hierarchy of files, displaying |
| 336 | various ReiserFS statistics and internal data at the expense of |
| 337 | making your kernel or module slightly larger (+8 KB). This also |
| 338 | increases the amount of kernel memory required for each mount. |
| 339 | Almost everyone but ReiserFS developers and people fine-tuning |
| 340 | reiserfs or tracing problems should say N. |
| 341 | |
| 342 | config REISERFS_FS_XATTR |
| 343 | bool "ReiserFS extended attributes" |
| 344 | depends on REISERFS_FS |
| 345 | help |
| 346 | Extended attributes are name:value pairs associated with inodes by |
| 347 | the kernel or by users (see the attr(5) manual page, or visit |
| 348 | <http://acl.bestbits.at/> for details). |
| 349 | |
| 350 | If unsure, say N. |
| 351 | |
| 352 | config REISERFS_FS_POSIX_ACL |
| 353 | bool "ReiserFS POSIX Access Control Lists" |
| 354 | depends on REISERFS_FS_XATTR |
Andreas Gruenbacher | b84c215 | 2005-07-07 17:56:57 -0700 | [diff] [blame] | 355 | select FS_POSIX_ACL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | help |
| 357 | Posix Access Control Lists (ACLs) support permissions for users and |
| 358 | groups beyond the owner/group/world scheme. |
| 359 | |
| 360 | To learn more about Access Control Lists, visit the Posix ACLs for |
| 361 | Linux website <http://acl.bestbits.at/>. |
| 362 | |
| 363 | If you don't know what Access Control Lists are, say N |
| 364 | |
| 365 | config REISERFS_FS_SECURITY |
| 366 | bool "ReiserFS Security Labels" |
| 367 | depends on REISERFS_FS_XATTR |
| 368 | help |
| 369 | Security labels support alternative access control models |
| 370 | implemented by security modules like SELinux. This option |
| 371 | enables an extended attribute handler for file security |
| 372 | labels in the ReiserFS filesystem. |
| 373 | |
| 374 | If you are not using a security module that requires using |
| 375 | extended attributes for file security labels, say N. |
| 376 | |
| 377 | config JFS_FS |
| 378 | tristate "JFS filesystem support" |
| 379 | select NLS |
| 380 | help |
| 381 | This is a port of IBM's Journaled Filesystem . More information is |
| 382 | available in the file <file:Documentation/filesystems/jfs.txt>. |
| 383 | |
| 384 | If you do not intend to use the JFS filesystem, say N. |
| 385 | |
| 386 | config JFS_POSIX_ACL |
| 387 | bool "JFS POSIX Access Control Lists" |
| 388 | depends on JFS_FS |
Andreas Gruenbacher | b84c215 | 2005-07-07 17:56:57 -0700 | [diff] [blame] | 389 | select FS_POSIX_ACL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | help |
| 391 | Posix Access Control Lists (ACLs) support permissions for users and |
| 392 | groups beyond the owner/group/world scheme. |
| 393 | |
| 394 | To learn more about Access Control Lists, visit the Posix ACLs for |
| 395 | Linux website <http://acl.bestbits.at/>. |
| 396 | |
| 397 | If you don't know what Access Control Lists are, say N |
| 398 | |
| 399 | config JFS_SECURITY |
| 400 | bool "JFS Security Labels" |
| 401 | depends on JFS_FS |
| 402 | help |
| 403 | Security labels support alternative access control models |
| 404 | implemented by security modules like SELinux. This option |
| 405 | enables an extended attribute handler for file security |
| 406 | labels in the jfs filesystem. |
| 407 | |
| 408 | If you are not using a security module that requires using |
| 409 | extended attributes for file security labels, say N. |
| 410 | |
| 411 | config JFS_DEBUG |
| 412 | bool "JFS debugging" |
| 413 | depends on JFS_FS |
| 414 | help |
| 415 | If you are experiencing any problems with the JFS filesystem, say |
| 416 | Y here. This will result in additional debugging messages to be |
| 417 | written to the system log. Under normal circumstances, this |
| 418 | results in very little overhead. |
| 419 | |
| 420 | config JFS_STATISTICS |
| 421 | bool "JFS statistics" |
| 422 | depends on JFS_FS |
| 423 | help |
| 424 | Enabling this option will cause statistics from the JFS file system |
| 425 | to be made available to the user in the /proc/fs/jfs/ directory. |
| 426 | |
| 427 | config FS_POSIX_ACL |
Chuck Lever | 8920695 | 2008-02-11 17:12:24 -0500 | [diff] [blame] | 428 | # Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | # |
| 430 | # NOTE: you can implement Posix ACLs without these helpers (XFS does). |
| 431 | # Never use this symbol for ifdefs. |
| 432 | # |
| 433 | bool |
Andreas Gruenbacher | b84c215 | 2005-07-07 17:56:57 -0700 | [diff] [blame] | 434 | default n |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | |
Thomas Petazzoni | bfcd17a | 2008-08-06 15:12:22 +0200 | [diff] [blame] | 436 | config FILE_LOCKING |
| 437 | bool "Enable POSIX file locking API" if EMBEDDED |
| 438 | default y |
| 439 | help |
| 440 | This option enables standard file locking support, required |
| 441 | for filesystems like NFS and for the flock() system |
| 442 | call. Disabling this option saves about 11k. |
| 443 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | source "fs/xfs/Kconfig" |
David Teigland | f7825dc | 2006-01-16 16:43:37 +0000 | [diff] [blame] | 445 | source "fs/gfs2/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 447 | config OCFS2_FS |
Mark Fasheh | 02ed841 | 2006-09-14 10:28:06 -0700 | [diff] [blame] | 448 | tristate "OCFS2 file system support" |
| 449 | depends on NET && SYSFS |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 450 | select CONFIGFS_FS |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 451 | select JBD2 |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 452 | select CRC32 |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 453 | help |
| 454 | OCFS2 is a general purpose extent based shared disk cluster file |
| 455 | system with many similarities to ext3. It supports 64 bit inode |
| 456 | numbers, and has automatically extending metadata groups which may |
| 457 | also make it attractive for non-clustered use. |
| 458 | |
| 459 | You'll want to install the ocfs2-tools package in order to at least |
| 460 | get "mount.ocfs2". |
| 461 | |
| 462 | Project web page: http://oss.oracle.com/projects/ocfs2 |
| 463 | Tools web page: http://oss.oracle.com/projects/ocfs2-tools |
| 464 | OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/ |
| 465 | |
Mark Fasheh | 1252c43 | 2007-10-30 12:09:03 -0700 | [diff] [blame] | 466 | For more information on OCFS2, see the file |
| 467 | <file:Documentation/filesystems/ocfs2.txt>. |
Mark Fasheh | b4e40a5 | 2005-12-15 14:31:24 -0800 | [diff] [blame] | 468 | |
Joel Becker | 9341d22 | 2008-03-04 17:58:56 -0800 | [diff] [blame] | 469 | config OCFS2_FS_O2CB |
| 470 | tristate "O2CB Kernelspace Clustering" |
| 471 | depends on OCFS2_FS |
| 472 | default y |
| 473 | help |
| 474 | OCFS2 includes a simple kernelspace clustering package, the OCFS2 |
| 475 | Cluster Base. It only requires a very small userspace component |
| 476 | to configure it. This comes with the standard ocfs2-tools package. |
| 477 | O2CB is limited to maintaining a cluster for OCFS2 file systems. |
| 478 | It cannot manage any other cluster applications. |
| 479 | |
| 480 | It is always safe to say Y here, as the clustering method is |
| 481 | run-time selectable. |
| 482 | |
| 483 | config OCFS2_FS_USERSPACE_CLUSTER |
| 484 | tristate "OCFS2 Userspace Clustering" |
| 485 | depends on OCFS2_FS && DLM |
| 486 | default y |
| 487 | help |
| 488 | This option will allow OCFS2 to use userspace clustering services |
| 489 | in conjunction with the DLM in fs/dlm. If you are using a |
| 490 | userspace cluster manager, say Y here. |
| 491 | |
| 492 | It is safe to say Y, as the clustering method is run-time |
| 493 | selectable. |
| 494 | |
Sunil Mushran | ce7231e | 2008-05-13 13:45:14 -0700 | [diff] [blame] | 495 | config OCFS2_FS_STATS |
| 496 | bool "OCFS2 statistics" |
| 497 | depends on OCFS2_FS |
| 498 | default y |
| 499 | help |
| 500 | This option allows some fs statistics to be captured. Enabling |
| 501 | this option may increase the memory consumption. |
| 502 | |
Joel Becker | 2b388c6 | 2006-05-10 18:28:59 -0700 | [diff] [blame] | 503 | config OCFS2_DEBUG_MASKLOG |
| 504 | bool "OCFS2 logging support" |
| 505 | depends on OCFS2_FS |
| 506 | default y |
| 507 | help |
| 508 | The ocfs2 filesystem has an extensive logging system. The system |
| 509 | allows selection of events to log via files in /sys/o2cb/logmask/. |
| 510 | This option will enlarge your kernel, but it allows debugging of |
| 511 | ocfs2 filesystem issues. |
| 512 | |
Jan Kara | 5a58c3e | 2007-11-13 19:59:33 +0100 | [diff] [blame] | 513 | config OCFS2_DEBUG_FS |
| 514 | bool "OCFS2 expensive checks" |
| 515 | depends on OCFS2_FS |
| 516 | default n |
| 517 | help |
| 518 | This option will enable expensive consistency checks. Enable |
| 519 | this option for debugging only as it is likely to decrease |
| 520 | performance of the filesystem. |
| 521 | |
Joel Becker | 2b4e30f | 2008-09-03 20:03:41 -0700 | [diff] [blame] | 522 | config OCFS2_COMPAT_JBD |
| 523 | bool "Use JBD for compatibility" |
| 524 | depends on OCFS2_FS |
| 525 | default n |
| 526 | select JBD |
| 527 | help |
| 528 | The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 |
| 529 | is backwards compatible with JBD. It is safe to say N here. |
| 530 | However, if you really want to use the original JBD, say Y here. |
| 531 | |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 532 | endif # BLOCK |
| 533 | |
| 534 | config DNOTIFY |
| 535 | bool "Dnotify support" |
| 536 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | help |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 538 | Dnotify is a directory-based per-fd file change notification system |
| 539 | that uses signals to communicate events to user-space. There exist |
| 540 | superior alternatives, but some applications may still rely on |
| 541 | dnotify. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 543 | If unsure, say Y. |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 544 | |
Robert Love | 0eeca28 | 2005-07-12 17:06:03 -0400 | [diff] [blame] | 545 | config INOTIFY |
| 546 | bool "Inotify file change notification support" |
| 547 | default y |
| 548 | ---help--- |
Amy Griffis | 2d9048e | 2006-06-01 13:10:59 -0700 | [diff] [blame] | 549 | Say Y here to enable inotify support. Inotify is a file change |
| 550 | notification system and a replacement for dnotify. Inotify fixes |
| 551 | numerous shortcomings in dnotify and introduces several new features |
| 552 | including multiple file events, one-shot support, and unmount |
Robert Love | 3de1174 | 2005-08-04 13:07:08 -0700 | [diff] [blame] | 553 | notification. |
| 554 | |
Dirk Hohndel | e403149 | 2007-10-30 13:37:19 -0700 | [diff] [blame] | 555 | For more information, see <file:Documentation/filesystems/inotify.txt> |
Robert Love | 0eeca28 | 2005-07-12 17:06:03 -0400 | [diff] [blame] | 556 | |
| 557 | If unsure, say Y. |
| 558 | |
Amy Griffis | 2d9048e | 2006-06-01 13:10:59 -0700 | [diff] [blame] | 559 | config INOTIFY_USER |
| 560 | bool "Inotify support for userspace" |
| 561 | depends on INOTIFY |
| 562 | default y |
| 563 | ---help--- |
| 564 | Say Y here to enable inotify support for userspace, including the |
| 565 | associated system calls. Inotify allows monitoring of both files and |
| 566 | directories via a single open fd. Events are read from the file |
| 567 | descriptor, which is also select()- and poll()-able. |
| 568 | |
Dirk Hohndel | e403149 | 2007-10-30 13:37:19 -0700 | [diff] [blame] | 569 | For more information, see <file:Documentation/filesystems/inotify.txt> |
Amy Griffis | 2d9048e | 2006-06-01 13:10:59 -0700 | [diff] [blame] | 570 | |
| 571 | If unsure, say Y. |
| 572 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | config QUOTA |
| 574 | bool "Quota support" |
| 575 | help |
| 576 | If you say Y here, you will be able to set per user limits for disk |
| 577 | usage (also called disk quotas). Currently, it works for the |
| 578 | ext2, ext3, and reiserfs file system. ext3 also supports journalled |
| 579 | quotas for which you don't need to run quotacheck(8) after an unclean |
Adrian Bunk | 919532a | 2005-09-06 15:17:22 -0700 | [diff] [blame] | 580 | shutdown. |
| 581 | For further details, read the Quota mini-HOWTO, available from |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | <http://www.tldp.org/docs.html#howto>, or the documentation provided |
| 583 | with the quota tools. Probably the quota support is only useful for |
| 584 | multi user systems. If unsure, say N. |
| 585 | |
Jan Kara | 8e89346 | 2007-10-16 23:29:31 -0700 | [diff] [blame] | 586 | config QUOTA_NETLINK_INTERFACE |
| 587 | bool "Report quota messages through netlink interface" |
| 588 | depends on QUOTA && NET |
| 589 | help |
| 590 | If you say Y here, quota warnings (about exceeding softlimit, reaching |
| 591 | hardlimit, etc.) will be reported through netlink interface. If unsure, |
| 592 | say Y. |
| 593 | |
| 594 | config PRINT_QUOTA_WARNING |
| 595 | bool "Print quota warnings to console (OBSOLETE)" |
| 596 | depends on QUOTA |
| 597 | default y |
| 598 | help |
| 599 | If you say Y here, quota warnings (about exceeding softlimit, reaching |
| 600 | hardlimit, etc.) will be printed to the process' controlling terminal. |
| 601 | Note that this behavior is currently deprecated and may go away in |
| 602 | future. Please use notification via netlink socket instead. |
| 603 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | config QFMT_V1 |
| 605 | tristate "Old quota format support" |
| 606 | depends on QUOTA |
| 607 | help |
| 608 | This quota format was (is) used by kernels earlier than 2.4.22. If |
| 609 | you have quota working and you don't want to convert to new quota |
| 610 | format say Y here. |
| 611 | |
| 612 | config QFMT_V2 |
| 613 | tristate "Quota format v2 support" |
| 614 | depends on QUOTA |
| 615 | help |
| 616 | This quota format allows using quotas with 32-bit UIDs/GIDs. If you |
Adrian Bunk | 919532a | 2005-09-06 15:17:22 -0700 | [diff] [blame] | 617 | need this functionality say Y here. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
| 619 | config QUOTACTL |
| 620 | bool |
| 621 | depends on XFS_QUOTA || QUOTA |
| 622 | default y |
| 623 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | config AUTOFS_FS |
| 625 | tristate "Kernel automounter support" |
| 626 | help |
| 627 | The automounter is a tool to automatically mount remote file systems |
| 628 | on demand. This implementation is partially kernel-based to reduce |
| 629 | overhead in the already-mounted case; this is unlike the BSD |
| 630 | automounter (amd), which is a pure user space daemon. |
| 631 | |
| 632 | To use the automounter you need the user-space tools from the autofs |
| 633 | package; you can find the location in <file:Documentation/Changes>. |
| 634 | You also want to answer Y to "NFS file system support", below. |
| 635 | |
| 636 | If you want to use the newer version of the automounter with more |
| 637 | features, say N here and say Y to "Kernel automounter v4 support", |
| 638 | below. |
| 639 | |
| 640 | To compile this support as a module, choose M here: the module will be |
| 641 | called autofs. |
| 642 | |
| 643 | If you are not a part of a fairly large, distributed network, you |
| 644 | probably do not need an automounter, and can say N here. |
| 645 | |
| 646 | config AUTOFS4_FS |
| 647 | tristate "Kernel automounter version 4 support (also supports v3)" |
| 648 | help |
| 649 | The automounter is a tool to automatically mount remote file systems |
| 650 | on demand. This implementation is partially kernel-based to reduce |
| 651 | overhead in the already-mounted case; this is unlike the BSD |
| 652 | automounter (amd), which is a pure user space daemon. |
| 653 | |
| 654 | To use the automounter you need the user-space tools from |
| 655 | <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also |
| 656 | want to answer Y to "NFS file system support", below. |
| 657 | |
| 658 | To compile this support as a module, choose M here: the module will be |
| 659 | called autofs4. You will need to add "alias autofs autofs4" to your |
| 660 | modules configuration file. |
| 661 | |
| 662 | If you are not a part of a fairly large, distributed network or |
| 663 | don't have a laptop which needs to dynamically reconfigure to the |
| 664 | local network, you probably do not need an automounter, and can say |
| 665 | N here. |
| 666 | |
Miklos Szeredi | 04578f1 | 2005-09-09 13:10:22 -0700 | [diff] [blame] | 667 | config FUSE_FS |
| 668 | tristate "Filesystem in Userspace support" |
| 669 | help |
| 670 | With FUSE it is possible to implement a fully functional filesystem |
| 671 | in a userspace program. |
| 672 | |
| 673 | There's also companion library: libfuse. This library along with |
| 674 | utilities is available from the FUSE homepage: |
| 675 | <http://fuse.sourceforge.net/> |
| 676 | |
Miklos Szeredi | 909021e | 2005-09-27 21:45:20 -0700 | [diff] [blame] | 677 | See <file:Documentation/filesystems/fuse.txt> for more information. |
| 678 | See <file:Documentation/Changes> for needed library/utility version. |
| 679 | |
Miklos Szeredi | 04578f1 | 2005-09-09 13:10:22 -0700 | [diff] [blame] | 680 | If you want to develop a userspace FS, or if you want to use |
| 681 | a filesystem based on FUSE, answer Y or M. |
| 682 | |
Randy Dunlap | f2fbc6c | 2006-10-19 23:28:35 -0700 | [diff] [blame] | 683 | config GENERIC_ACL |
| 684 | bool |
| 685 | select FS_POSIX_ACL |
| 686 | |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 687 | if BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | menu "CD-ROM/DVD Filesystems" |
| 689 | |
| 690 | config ISO9660_FS |
| 691 | tristate "ISO 9660 CDROM file system support" |
| 692 | help |
| 693 | This is the standard file system used on CD-ROMs. It was previously |
| 694 | known as "High Sierra File System" and is called "hsfs" on other |
| 695 | Unix systems. The so-called Rock-Ridge extensions which allow for |
| 696 | long Unix filenames and symbolic links are also supported by this |
| 697 | driver. If you have a CD-ROM drive and want to do more with it than |
| 698 | just listen to audio CDs and watch its LEDs, say Y (and read |
| 699 | <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO, |
| 700 | available from <http://www.tldp.org/docs.html#howto>), thereby |
| 701 | enlarging your kernel by about 27 KB; otherwise say N. |
| 702 | |
| 703 | To compile this file system support as a module, choose M here: the |
| 704 | module will be called isofs. |
| 705 | |
| 706 | config JOLIET |
| 707 | bool "Microsoft Joliet CDROM extensions" |
| 708 | depends on ISO9660_FS |
| 709 | select NLS |
| 710 | help |
| 711 | Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system |
| 712 | which allows for long filenames in unicode format (unicode is the |
| 713 | new 16 bit character code, successor to ASCII, which encodes the |
| 714 | characters of almost all languages of the world; see |
| 715 | <http://www.unicode.org/> for more information). Say Y here if you |
| 716 | want to be able to read Joliet CD-ROMs under Linux. |
| 717 | |
| 718 | config ZISOFS |
| 719 | bool "Transparent decompression extension" |
| 720 | depends on ISO9660_FS |
| 721 | select ZLIB_INFLATE |
| 722 | help |
| 723 | This is a Linux-specific extension to RockRidge which lets you store |
| 724 | data in compressed form on a CD-ROM and have it transparently |
| 725 | decompressed when the CD-ROM is accessed. See |
| 726 | <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools |
| 727 | necessary to create such a filesystem. Say Y here if you want to be |
| 728 | able to read such compressed CD-ROMs. |
| 729 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | config UDF_FS |
| 731 | tristate "UDF file system support" |
Bob Copeland | f845fce | 2008-04-17 09:47:48 +0200 | [diff] [blame] | 732 | select CRC_ITU_T |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | help |
| 734 | This is the new file system used on some CD-ROMs and DVDs. Say Y if |
| 735 | you intend to mount DVD discs or CDRW's written in packet mode, or |
| 736 | if written to by other UDF utilities, such as DirectCD. |
| 737 | Please read <file:Documentation/filesystems/udf.txt>. |
| 738 | |
| 739 | To compile this file system support as a module, choose M here: the |
| 740 | module will be called udf. |
| 741 | |
| 742 | If unsure, say N. |
| 743 | |
| 744 | config UDF_NLS |
| 745 | bool |
| 746 | default y |
| 747 | depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y) |
| 748 | |
| 749 | endmenu |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 750 | endif # BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 752 | if BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | menu "DOS/FAT/NT Filesystems" |
| 754 | |
| 755 | config FAT_FS |
| 756 | tristate |
| 757 | select NLS |
| 758 | help |
| 759 | If you want to use one of the FAT-based file systems (the MS-DOS and |
| 760 | VFAT (Windows 95) file systems), then you must say Y or M here |
| 761 | to include FAT support. You will then be able to mount partitions or |
| 762 | diskettes with FAT-based file systems and transparently access the |
| 763 | files on them, i.e. MSDOS files will look and behave just like all |
| 764 | other Unix files. |
| 765 | |
| 766 | This FAT support is not a file system in itself, it only provides |
| 767 | the foundation for the other file systems. You will have to say Y or |
| 768 | M to at least one of "MSDOS fs support" or "VFAT fs support" in |
| 769 | order to make use of it. |
| 770 | |
| 771 | Another way to read and write MSDOS floppies and hard drive |
| 772 | partitions from within Linux (but not transparently) is with the |
| 773 | mtools ("man mtools") program suite. You don't need to say Y here in |
| 774 | order to do that. |
| 775 | |
| 776 | If you need to move large files on floppies between a DOS and a |
| 777 | Linux box, say Y here, mount the floppy under Linux with an MSDOS |
| 778 | file system and use GNU tar's M option. GNU tar is a program |
| 779 | available for Unix and DOS ("man tar" or "info tar"). |
| 780 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | The FAT support will enlarge your kernel by about 37 KB. If unsure, |
| 782 | say Y. |
| 783 | |
| 784 | To compile this as a module, choose M here: the module will be called |
| 785 | fat. Note that if you compile the FAT support as a module, you |
| 786 | cannot compile any of the FAT-based file systems into the kernel |
| 787 | -- they will have to be modules as well. |
| 788 | |
| 789 | config MSDOS_FS |
| 790 | tristate "MSDOS fs support" |
| 791 | select FAT_FS |
| 792 | help |
| 793 | This allows you to mount MSDOS partitions of your hard drive (unless |
| 794 | they are compressed; to access compressed MSDOS partitions under |
| 795 | Linux, you can either use the DOS emulator DOSEMU, described in the |
| 796 | DOSEMU-HOWTO, available from |
| 797 | <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in |
| 798 | <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you |
| 799 | intend to use dosemu with a non-compressed MSDOS partition, say Y |
| 800 | here) and MSDOS floppies. This means that file access becomes |
| 801 | transparent, i.e. the MSDOS files look and behave just like all |
| 802 | other Unix files. |
| 803 | |
| 804 | If you have Windows 95 or Windows NT installed on your MSDOS |
| 805 | partitions, you should use the VFAT file system (say Y to "VFAT fs |
| 806 | support" below), or you will not be able to see the long filenames |
| 807 | generated by Windows 95 / Windows NT. |
| 808 | |
| 809 | This option will enlarge your kernel by about 7 KB. If unsure, |
| 810 | answer Y. This will only work if you said Y to "DOS FAT fs support" |
| 811 | as well. To compile this as a module, choose M here: the module will |
| 812 | be called msdos. |
| 813 | |
| 814 | config VFAT_FS |
| 815 | tristate "VFAT (Windows-95) fs support" |
| 816 | select FAT_FS |
| 817 | help |
| 818 | This option provides support for normal Windows file systems with |
| 819 | long filenames. That includes non-compressed FAT-based file systems |
| 820 | used by Windows 95, Windows 98, Windows NT 4.0, and the Unix |
| 821 | programs from the mtools package. |
| 822 | |
| 823 | The VFAT support enlarges your kernel by about 10 KB and it only |
| 824 | works if you said Y to the "DOS FAT fs support" above. Please read |
| 825 | the file <file:Documentation/filesystems/vfat.txt> for details. If |
| 826 | unsure, say Y. |
| 827 | |
| 828 | To compile this as a module, choose M here: the module will be called |
| 829 | vfat. |
| 830 | |
| 831 | config FAT_DEFAULT_CODEPAGE |
| 832 | int "Default codepage for FAT" |
| 833 | depends on MSDOS_FS || VFAT_FS |
| 834 | default 437 |
| 835 | help |
| 836 | This option should be set to the codepage of your FAT filesystems. |
| 837 | It can be overridden with the "codepage" mount option. |
| 838 | See <file:Documentation/filesystems/vfat.txt> for more information. |
| 839 | |
| 840 | config FAT_DEFAULT_IOCHARSET |
| 841 | string "Default iocharset for FAT" |
| 842 | depends on VFAT_FS |
| 843 | default "iso8859-1" |
| 844 | help |
| 845 | Set this to the default input/output character set you'd |
| 846 | like FAT to use. It should probably match the character set |
| 847 | that most of your FAT filesystems use, and can be overridden |
| 848 | with the "iocharset" mount option for FAT filesystems. |
| 849 | Note that "utf8" is not recommended for FAT filesystems. |
| 850 | If unsure, you shouldn't set "utf8" here. |
| 851 | See <file:Documentation/filesystems/vfat.txt> for more information. |
| 852 | |
| 853 | config NTFS_FS |
| 854 | tristate "NTFS file system support" |
| 855 | select NLS |
| 856 | help |
| 857 | NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003. |
| 858 | |
| 859 | Saying Y or M here enables read support. There is partial, but |
| 860 | safe, write support available. For write support you must also |
| 861 | say Y to "NTFS write support" below. |
| 862 | |
| 863 | There are also a number of user-space tools available, called |
| 864 | ntfsprogs. These include ntfsundelete and ntfsresize, that work |
| 865 | without NTFS support enabled in the kernel. |
| 866 | |
| 867 | This is a rewrite from scratch of Linux NTFS support and replaced |
| 868 | the old NTFS code starting with Linux 2.5.11. A backport to |
| 869 | the Linux 2.4 kernel series is separately available as a patch |
| 870 | from the project web site. |
| 871 | |
| 872 | For more information see <file:Documentation/filesystems/ntfs.txt> |
Jess Guerrero | 337e2ab | 2008-07-04 09:59:50 -0700 | [diff] [blame] | 873 | and <http://www.linux-ntfs.org/>. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 874 | |
| 875 | To compile this file system support as a module, choose M here: the |
| 876 | module will be called ntfs. |
| 877 | |
| 878 | If you are not using Windows NT, 2000, XP or 2003 in addition to |
| 879 | Linux on your computer it is safe to say N. |
| 880 | |
| 881 | config NTFS_DEBUG |
| 882 | bool "NTFS debugging support" |
| 883 | depends on NTFS_FS |
| 884 | help |
| 885 | If you are experiencing any problems with the NTFS file system, say |
| 886 | Y here. This will result in additional consistency checks to be |
| 887 | performed by the driver as well as additional debugging messages to |
| 888 | be written to the system log. Note that debugging messages are |
| 889 | disabled by default. To enable them, supply the option debug_msgs=1 |
| 890 | at the kernel command line when booting the kernel or as an option |
| 891 | to insmod when loading the ntfs module. Once the driver is active, |
| 892 | you can enable debugging messages by doing (as root): |
| 893 | echo 1 > /proc/sys/fs/ntfs-debug |
| 894 | Replacing the "1" with "0" would disable debug messages. |
| 895 | |
| 896 | If you leave debugging messages disabled, this results in little |
| 897 | overhead, but enabling debug messages results in very significant |
| 898 | slowdown of the system. |
| 899 | |
| 900 | When reporting bugs, please try to have available a full dump of |
| 901 | debugging messages while the misbehaviour was occurring. |
| 902 | |
| 903 | config NTFS_RW |
| 904 | bool "NTFS write support" |
| 905 | depends on NTFS_FS |
| 906 | help |
| 907 | This enables the partial, but safe, write support in the NTFS driver. |
| 908 | |
| 909 | The only supported operation is overwriting existing files, without |
| 910 | changing the file length. No file or directory creation, deletion or |
| 911 | renaming is possible. Note only non-resident files can be written to |
| 912 | so you may find that some very small files (<500 bytes or so) cannot |
| 913 | be written to. |
| 914 | |
| 915 | While we cannot guarantee that it will not damage any data, we have |
| 916 | so far not received a single report where the driver would have |
| 917 | damaged someones data so we assume it is perfectly safe to use. |
| 918 | |
| 919 | Note: While write support is safe in this version (a rewrite from |
| 920 | scratch of the NTFS support), it should be noted that the old NTFS |
| 921 | write support, included in Linux 2.5.10 and before (since 1997), |
| 922 | is not safe. |
| 923 | |
| 924 | This is currently useful with TopologiLinux. TopologiLinux is run |
| 925 | on top of any DOS/Microsoft Windows system without partitioning your |
| 926 | hard disk. Unlike other Linux distributions TopologiLinux does not |
| 927 | need its own partition. For more information see |
| 928 | <http://topologi-linux.sourceforge.net/> |
| 929 | |
| 930 | It is perfectly safe to say N here. |
| 931 | |
| 932 | endmenu |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 933 | endif # BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | |
| 935 | menu "Pseudo filesystems" |
| 936 | |
Alexey Dobriyan | 6eedf8d | 2008-07-25 01:48:30 -0700 | [diff] [blame] | 937 | source "fs/proc/Kconfig" |
Eric W. Biederman | b89a817 | 2006-09-27 01:51:04 -0700 | [diff] [blame] | 938 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | config SYSFS |
| 940 | bool "sysfs file system support" if EMBEDDED |
| 941 | default y |
| 942 | help |
| 943 | The sysfs filesystem is a virtual filesystem that the kernel uses to |
| 944 | export internal kernel objects, their attributes, and their |
| 945 | relationships to one another. |
| 946 | |
| 947 | Users can use sysfs to ascertain useful information about the running |
| 948 | kernel, such as the devices the kernel has discovered on each bus and |
| 949 | which driver each is bound to. sysfs can also be used to tune devices |
| 950 | and other kernel subsystems. |
| 951 | |
| 952 | Some system agents rely on the information in sysfs to operate. |
| 953 | /sbin/hotplug uses device and object attributes in sysfs to assist in |
Jan Engelhardt | 03a67a4 | 2006-11-30 05:32:19 +0100 | [diff] [blame] | 954 | delegating policy decisions, like persistently naming devices. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | |
| 956 | sysfs is currently used by the block subsystem to mount the root |
| 957 | partition. If sysfs is disabled you must specify the boot device on |
| 958 | the kernel boot command line via its major and minor numbers. For |
| 959 | example, "root=03:01" for /dev/hda1. |
| 960 | |
| 961 | Designers of embedded systems may wish to say N here to conserve space. |
| 962 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | config TMPFS |
| 964 | bool "Virtual memory file system support (former shm fs)" |
| 965 | help |
| 966 | Tmpfs is a file system which keeps all files in virtual memory. |
| 967 | |
| 968 | Everything in tmpfs is temporary in the sense that no files will be |
| 969 | created on your hard drive. The files live in memory and swap |
| 970 | space. If you unmount a tmpfs instance, everything stored therein is |
| 971 | lost. |
| 972 | |
| 973 | See <file:Documentation/filesystems/tmpfs.txt> for details. |
| 974 | |
Andreas Gruenbacher | 39f0247 | 2006-09-29 02:01:35 -0700 | [diff] [blame] | 975 | config TMPFS_POSIX_ACL |
| 976 | bool "Tmpfs POSIX Access Control Lists" |
| 977 | depends on TMPFS |
| 978 | select GENERIC_ACL |
| 979 | help |
| 980 | POSIX Access Control Lists (ACLs) support permissions for users and |
| 981 | groups beyond the owner/group/world scheme. |
| 982 | |
| 983 | To learn more about Access Control Lists, visit the POSIX ACLs for |
| 984 | Linux website <http://acl.bestbits.at/>. |
| 985 | |
| 986 | If you don't know what Access Control Lists are, say N. |
| 987 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | config HUGETLBFS |
| 989 | bool "HugeTLB file system support" |
Gerald Schaefer | 53492b1 | 2008-04-30 13:38:46 +0200 | [diff] [blame] | 990 | depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \ |
| 991 | (S390 && 64BIT) || BROKEN |
Arthur Othieno | dda27d1 | 2006-04-18 22:20:57 -0700 | [diff] [blame] | 992 | help |
| 993 | hugetlbfs is a filesystem backing for HugeTLB pages, based on |
| 994 | ramfs. For architectures that support it, say Y here and read |
| 995 | <file:Documentation/vm/hugetlbpage.txt> for details. |
| 996 | |
| 997 | If unsure, say N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 998 | |
| 999 | config HUGETLB_PAGE |
| 1000 | def_bool HUGETLBFS |
| 1001 | |
Joel Becker | 7063fbf | 2005-12-15 14:29:43 -0800 | [diff] [blame] | 1002 | config CONFIGFS_FS |
Joel Becker | 02ac049 | 2007-12-31 13:56:47 -0800 | [diff] [blame] | 1003 | tristate "Userspace-driven configuration filesystem" |
| 1004 | depends on SYSFS |
Joel Becker | 7063fbf | 2005-12-15 14:29:43 -0800 | [diff] [blame] | 1005 | help |
| 1006 | configfs is a ram-based filesystem that provides the converse |
| 1007 | of sysfs's functionality. Where sysfs is a filesystem-based |
| 1008 | view of kernel objects, configfs is a filesystem-based manager |
| 1009 | of kernel objects, or config_items. |
| 1010 | |
| 1011 | Both sysfs and configfs can and should exist together on the |
| 1012 | same system. One is not a replacement for the other. |
| 1013 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1014 | endmenu |
| 1015 | |
| 1016 | menu "Miscellaneous filesystems" |
| 1017 | |
| 1018 | config ADFS_FS |
| 1019 | tristate "ADFS file system support (EXPERIMENTAL)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1020 | depends on BLOCK && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | help |
| 1022 | The Acorn Disc Filing System is the standard file system of the |
| 1023 | RiscOS operating system which runs on Acorn's ARM-based Risc PC |
| 1024 | systems and the Acorn Archimedes range of machines. If you say Y |
| 1025 | here, Linux will be able to read from ADFS partitions on hard drives |
| 1026 | and from ADFS-formatted floppy discs. If you also want to be able to |
| 1027 | write to those devices, say Y to "ADFS write support" below. |
| 1028 | |
| 1029 | The ADFS partition should be the first partition (i.e., |
| 1030 | /dev/[hs]d?1) on each of your drives. Please read the file |
| 1031 | <file:Documentation/filesystems/adfs.txt> for further details. |
| 1032 | |
| 1033 | To compile this code as a module, choose M here: the module will be |
| 1034 | called adfs. |
| 1035 | |
| 1036 | If unsure, say N. |
| 1037 | |
| 1038 | config ADFS_FS_RW |
| 1039 | bool "ADFS write support (DANGEROUS)" |
| 1040 | depends on ADFS_FS |
| 1041 | help |
| 1042 | If you say Y here, you will be able to write to ADFS partitions on |
| 1043 | hard drives and ADFS-formatted floppy disks. This is experimental |
| 1044 | codes, so if you're unsure, say N. |
| 1045 | |
| 1046 | config AFFS_FS |
| 1047 | tristate "Amiga FFS file system support (EXPERIMENTAL)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1048 | depends on BLOCK && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | help |
| 1050 | The Fast File System (FFS) is the common file system used on hard |
| 1051 | disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y |
| 1052 | if you want to be able to read and write files from and to an Amiga |
| 1053 | FFS partition on your hard drive. Amiga floppies however cannot be |
| 1054 | read with this driver due to an incompatibility of the floppy |
| 1055 | controller used in an Amiga and the standard floppy controller in |
| 1056 | PCs and workstations. Read <file:Documentation/filesystems/affs.txt> |
| 1057 | and <file:fs/affs/Changes>. |
| 1058 | |
| 1059 | With this driver you can also mount disk files used by Bernd |
| 1060 | Schmidt's Un*X Amiga Emulator |
| 1061 | (<http://www.freiburg.linux.de/~uae/>). |
| 1062 | If you want to do this, you will also need to say Y or M to "Loop |
| 1063 | device support", above. |
| 1064 | |
| 1065 | To compile this file system support as a module, choose M here: the |
| 1066 | module will be called affs. If unsure, say N. |
| 1067 | |
Michael Halcrow | 237fead | 2006-10-04 02:16:22 -0700 | [diff] [blame] | 1068 | config ECRYPT_FS |
| 1069 | tristate "eCrypt filesystem layer support (EXPERIMENTAL)" |
Michael Halcrow | 88b4a07 | 2007-02-12 00:53:43 -0800 | [diff] [blame] | 1070 | depends on EXPERIMENTAL && KEYS && CRYPTO && NET |
Michael Halcrow | 237fead | 2006-10-04 02:16:22 -0700 | [diff] [blame] | 1071 | help |
| 1072 | Encrypted filesystem that operates on the VFS layer. See |
Dirk Hohndel | e403149 | 2007-10-30 13:37:19 -0700 | [diff] [blame] | 1073 | <file:Documentation/filesystems/ecryptfs.txt> to learn more about |
Michael Halcrow | 237fead | 2006-10-04 02:16:22 -0700 | [diff] [blame] | 1074 | eCryptfs. Userspace components are required and can be |
| 1075 | obtained from <http://ecryptfs.sf.net>. |
| 1076 | |
| 1077 | To compile this file system support as a module, choose M here: the |
| 1078 | module will be called ecryptfs. |
| 1079 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | config HFS_FS |
| 1081 | tristate "Apple Macintosh file system support (EXPERIMENTAL)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1082 | depends on BLOCK && EXPERIMENTAL |
Lennert Buytenhek | 878129a | 2005-11-07 00:59:18 -0800 | [diff] [blame] | 1083 | select NLS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | help |
| 1085 | If you say Y here, you will be able to mount Macintosh-formatted |
| 1086 | floppy disks and hard drive partitions with full read-write access. |
Johann Felix Soden | 889c94a | 2008-01-20 14:41:18 +0100 | [diff] [blame] | 1087 | Please read <file:Documentation/filesystems/hfs.txt> to learn about |
| 1088 | the available mount options. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1089 | |
| 1090 | To compile this file system support as a module, choose M here: the |
| 1091 | module will be called hfs. |
| 1092 | |
| 1093 | config HFSPLUS_FS |
| 1094 | tristate "Apple Extended HFS file system support" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1095 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1096 | select NLS |
| 1097 | select NLS_UTF8 |
| 1098 | help |
| 1099 | If you say Y here, you will be able to mount extended format |
| 1100 | Macintosh-formatted hard drive partitions with full read-write access. |
| 1101 | |
| 1102 | This file system is often called HFS+ and was introduced with |
| 1103 | MacOS 8. It includes all Mac specific filesystem data such as |
| 1104 | data forks and creator codes, but it also has several UNIX |
| 1105 | style features such as file ownership and permissions. |
| 1106 | |
| 1107 | config BEFS_FS |
| 1108 | tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1109 | depends on BLOCK && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1110 | select NLS |
| 1111 | help |
| 1112 | The BeOS File System (BeFS) is the native file system of Be, Inc's |
| 1113 | BeOS. Notable features include support for arbitrary attributes |
Matt LaPlante | 3cb2fcc | 2006-11-30 05:22:59 +0100 | [diff] [blame] | 1114 | on files and directories, and database-like indices on selected |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | attributes. (Also note that this driver doesn't make those features |
| 1116 | available at this time). It is a 64 bit filesystem, so it supports |
Matt LaPlante | 44c0920 | 2006-10-03 22:34:14 +0200 | [diff] [blame] | 1117 | extremely large volumes and files. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1118 | |
| 1119 | If you use this filesystem, you should also say Y to at least one |
| 1120 | of the NLS (native language support) options below. |
| 1121 | |
| 1122 | If you don't know what this is about, say N. |
| 1123 | |
| 1124 | To compile this as a module, choose M here: the module will be |
| 1125 | called befs. |
| 1126 | |
| 1127 | config BEFS_DEBUG |
| 1128 | bool "Debug BeFS" |
| 1129 | depends on BEFS_FS |
| 1130 | help |
| 1131 | If you say Y here, you can use the 'debug' mount option to enable |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1132 | debugging output from the driver. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | |
| 1134 | config BFS_FS |
| 1135 | tristate "BFS file system support (EXPERIMENTAL)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1136 | depends on BLOCK && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | help |
| 1138 | Boot File System (BFS) is a file system used under SCO UnixWare to |
| 1139 | allow the bootloader access to the kernel image and other important |
| 1140 | files during the boot process. It is usually mounted under /stand |
| 1141 | and corresponds to the slice marked as "STAND" in the UnixWare |
| 1142 | partition. You should say Y if you want to read or write the files |
| 1143 | on your /stand slice from within Linux. You then also need to say Y |
| 1144 | to "UnixWare slices support", below. More information about the BFS |
| 1145 | file system is contained in the file |
| 1146 | <file:Documentation/filesystems/bfs.txt>. |
| 1147 | |
| 1148 | If you don't know what this is about, say N. |
| 1149 | |
| 1150 | To compile this as a module, choose M here: the module will be called |
| 1151 | bfs. Note that the file system of your root partition (the one |
| 1152 | containing the directory /) cannot be compiled as a module. |
| 1153 | |
| 1154 | |
| 1155 | |
| 1156 | config EFS_FS |
| 1157 | tristate "EFS file system support (read only) (EXPERIMENTAL)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1158 | depends on BLOCK && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | help |
| 1160 | EFS is an older file system used for non-ISO9660 CD-ROMs and hard |
| 1161 | disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer |
| 1162 | uses the XFS file system for hard disk partitions however). |
| 1163 | |
| 1164 | This implementation only offers read-only access. If you don't know |
| 1165 | what all this is about, it's safe to say N. For more information |
| 1166 | about EFS see its home page at <http://aeschi.ch.eu.org/efs/>. |
| 1167 | |
| 1168 | To compile the EFS file system support as a module, choose M here: the |
| 1169 | module will be called efs. |
| 1170 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1171 | config JFFS2_FS |
| 1172 | tristate "Journalling Flash File System v2 (JFFS2) support" |
| 1173 | select CRC32 |
| 1174 | depends on MTD |
| 1175 | help |
| 1176 | JFFS2 is the second generation of the Journalling Flash File System |
| 1177 | for use on diskless embedded devices. It provides improved wear |
| 1178 | levelling, compression and support for hard links. You cannot use |
| 1179 | this on normal block devices, only on 'MTD' devices. |
| 1180 | |
| 1181 | Further information on the design and implementation of JFFS2 is |
| 1182 | available at <http://sources.redhat.com/jffs2/>. |
| 1183 | |
| 1184 | config JFFS2_FS_DEBUG |
| 1185 | int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)" |
| 1186 | depends on JFFS2_FS |
| 1187 | default "0" |
| 1188 | help |
| 1189 | This controls the amount of debugging messages produced by the JFFS2 |
| 1190 | code. Set it to zero for use in production systems. For evaluation, |
| 1191 | testing and debugging, it's advisable to set it to one. This will |
| 1192 | enable a few assertions and will print debugging messages at the |
| 1193 | KERN_DEBUG loglevel, where they won't normally be visible. Level 2 |
| 1194 | is unlikely to be useful - it enables extra debugging in certain |
| 1195 | areas which at one point needed debugging, but when the bugs were |
| 1196 | located and fixed, the detailed messages were relegated to level 2. |
| 1197 | |
| 1198 | If reporting bugs, please try to have available a full dump of the |
| 1199 | messages at debug level 1 while the misbehaviour was occurring. |
| 1200 | |
David Woodhouse | 2ba72cb | 2006-06-18 10:22:40 +0100 | [diff] [blame] | 1201 | config JFFS2_FS_WRITEBUFFER |
| 1202 | bool "JFFS2 write-buffering support" |
KaiGai Kohei | aa98d7c | 2006-05-13 15:09:47 +0900 | [diff] [blame] | 1203 | depends on JFFS2_FS |
David Woodhouse | 2ba72cb | 2006-06-18 10:22:40 +0100 | [diff] [blame] | 1204 | default y |
| 1205 | help |
| 1206 | This enables the write-buffering support in JFFS2. |
| 1207 | |
| 1208 | This functionality is required to support JFFS2 on the following |
| 1209 | types of flash devices: |
| 1210 | - NAND flash |
| 1211 | - NOR flash with transparent ECC |
| 1212 | - DataFlash |
| 1213 | |
David Woodhouse | a6bc432 | 2007-07-11 14:23:54 +0100 | [diff] [blame] | 1214 | config JFFS2_FS_WBUF_VERIFY |
| 1215 | bool "Verify JFFS2 write-buffer reads" |
| 1216 | depends on JFFS2_FS_WRITEBUFFER |
| 1217 | default n |
| 1218 | help |
| 1219 | This causes JFFS2 to read back every page written through the |
| 1220 | write-buffer, and check for errors. |
| 1221 | |
David Woodhouse | 2ba72cb | 2006-06-18 10:22:40 +0100 | [diff] [blame] | 1222 | config JFFS2_SUMMARY |
| 1223 | bool "JFFS2 summary support (EXPERIMENTAL)" |
| 1224 | depends on JFFS2_FS && EXPERIMENTAL |
| 1225 | default n |
| 1226 | help |
| 1227 | This feature makes it possible to use summary information |
| 1228 | for faster filesystem mount. |
| 1229 | |
| 1230 | The summary information can be inserted into a filesystem image |
| 1231 | by the utility 'sumtool'. |
| 1232 | |
| 1233 | If unsure, say 'N'. |
| 1234 | |
| 1235 | config JFFS2_FS_XATTR |
| 1236 | bool "JFFS2 XATTR support (EXPERIMENTAL)" |
KaiGai Kohei | 04510de | 2006-06-24 09:21:13 +0900 | [diff] [blame] | 1237 | depends on JFFS2_FS && EXPERIMENTAL |
KaiGai Kohei | aa98d7c | 2006-05-13 15:09:47 +0900 | [diff] [blame] | 1238 | default n |
| 1239 | help |
| 1240 | Extended attributes are name:value pairs associated with inodes by |
| 1241 | the kernel or by users (see the attr(5) manual page, or visit |
| 1242 | <http://acl.bestbits.at/> for details). |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1243 | |
KaiGai Kohei | aa98d7c | 2006-05-13 15:09:47 +0900 | [diff] [blame] | 1244 | If unsure, say N. |
| 1245 | |
| 1246 | config JFFS2_FS_POSIX_ACL |
| 1247 | bool "JFFS2 POSIX Access Control Lists" |
| 1248 | depends on JFFS2_FS_XATTR |
| 1249 | default y |
| 1250 | select FS_POSIX_ACL |
| 1251 | help |
| 1252 | Posix Access Control Lists (ACLs) support permissions for users and |
| 1253 | groups beyond the owner/group/world scheme. |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1254 | |
KaiGai Kohei | aa98d7c | 2006-05-13 15:09:47 +0900 | [diff] [blame] | 1255 | To learn more about Access Control Lists, visit the Posix ACLs for |
| 1256 | Linux website <http://acl.bestbits.at/>. |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1257 | |
KaiGai Kohei | aa98d7c | 2006-05-13 15:09:47 +0900 | [diff] [blame] | 1258 | If you don't know what Access Control Lists are, say N |
| 1259 | |
| 1260 | config JFFS2_FS_SECURITY |
| 1261 | bool "JFFS2 Security Labels" |
| 1262 | depends on JFFS2_FS_XATTR |
| 1263 | default y |
| 1264 | help |
| 1265 | Security labels support alternative access control models |
| 1266 | implemented by security modules like SELinux. This option |
| 1267 | enables an extended attribute handler for file security |
| 1268 | labels in the jffs2 filesystem. |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1269 | |
KaiGai Kohei | aa98d7c | 2006-05-13 15:09:47 +0900 | [diff] [blame] | 1270 | If you are not using a security module that requires using |
| 1271 | extended attributes for file security labels, say N. |
| 1272 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1273 | config JFFS2_COMPRESSION_OPTIONS |
| 1274 | bool "Advanced compression options for JFFS2" |
| 1275 | depends on JFFS2_FS |
| 1276 | default n |
| 1277 | help |
| 1278 | Enabling this option allows you to explicitly choose which |
| 1279 | compression modules, if any, are enabled in JFFS2. Removing |
Uwe Kleine-König | 9e2de40 | 2007-12-17 16:19:54 -0800 | [diff] [blame] | 1280 | compressors can mean you cannot read existing file systems, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1281 | and enabling experimental compressors can mean that you |
| 1282 | write a file system which cannot be read by a standard kernel. |
| 1283 | |
| 1284 | If unsure, you should _definitely_ say 'N'. |
| 1285 | |
| 1286 | config JFFS2_ZLIB |
| 1287 | bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS |
| 1288 | select ZLIB_INFLATE |
| 1289 | select ZLIB_DEFLATE |
| 1290 | depends on JFFS2_FS |
| 1291 | default y |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1292 | help |
| 1293 | Zlib is designed to be a free, general-purpose, legally unencumbered, |
| 1294 | lossless data-compression library for use on virtually any computer |
| 1295 | hardware and operating system. See <http://www.gzip.org/zlib/> for |
| 1296 | further information. |
Thomas Gleixner | 182ec4e | 2005-11-07 11:16:07 +0000 | [diff] [blame] | 1297 | |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1298 | Say 'Y' if unsure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1299 | |
Richard Purdie | c799aca | 2007-07-10 10:28:36 +0100 | [diff] [blame] | 1300 | config JFFS2_LZO |
| 1301 | bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS |
| 1302 | select LZO_COMPRESS |
| 1303 | select LZO_DECOMPRESS |
| 1304 | depends on JFFS2_FS |
David Woodhouse | 3ca135e | 2007-08-02 16:32:02 +0100 | [diff] [blame] | 1305 | default n |
Richard Purdie | c799aca | 2007-07-10 10:28:36 +0100 | [diff] [blame] | 1306 | help |
| 1307 | minilzo-based compression. Generally works better than Zlib. |
| 1308 | |
David Woodhouse | 3ca135e | 2007-08-02 16:32:02 +0100 | [diff] [blame] | 1309 | This feature was added in July, 2007. Say 'N' if you need |
| 1310 | compatibility with older bootloaders or kernels. |
Richard Purdie | c799aca | 2007-07-10 10:28:36 +0100 | [diff] [blame] | 1311 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1312 | config JFFS2_RTIME |
| 1313 | bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS |
| 1314 | depends on JFFS2_FS |
| 1315 | default y |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1316 | help |
| 1317 | Rtime does manage to recompress already-compressed data. Say 'Y' if unsure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1318 | |
| 1319 | config JFFS2_RUBIN |
| 1320 | bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS |
| 1321 | depends on JFFS2_FS |
| 1322 | default n |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1323 | help |
| 1324 | RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1325 | |
| 1326 | choice |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1327 | prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS |
| 1328 | default JFFS2_CMODE_PRIORITY |
| 1329 | depends on JFFS2_FS |
| 1330 | help |
| 1331 | You can set here the default compression mode of JFFS2 from |
| 1332 | the available compression modes. Don't touch if unsure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | |
| 1334 | config JFFS2_CMODE_NONE |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1335 | bool "no compression" |
| 1336 | help |
| 1337 | Uses no compression. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1338 | |
| 1339 | config JFFS2_CMODE_PRIORITY |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1340 | bool "priority" |
| 1341 | help |
| 1342 | Tries the compressors in a predefined order and chooses the first |
| 1343 | successful one. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1344 | |
| 1345 | config JFFS2_CMODE_SIZE |
David Woodhouse | ef53cb0 | 2007-07-10 10:01:22 +0100 | [diff] [blame] | 1346 | bool "size (EXPERIMENTAL)" |
| 1347 | help |
| 1348 | Tries all compressors and chooses the one which has the smallest |
| 1349 | result. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1350 | |
Richard Purdie | 3b23c1f | 2007-07-10 10:28:42 +0100 | [diff] [blame] | 1351 | config JFFS2_CMODE_FAVOURLZO |
| 1352 | bool "Favour LZO" |
| 1353 | help |
| 1354 | Tries all compressors and chooses the one which has the smallest |
| 1355 | result but gives some preference to LZO (which has faster |
| 1356 | decompression) at the expense of size. |
| 1357 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1358 | endchoice |
| 1359 | |
Artem Bityutskiy | 0d7eff8 | 2008-07-14 19:08:38 +0300 | [diff] [blame] | 1360 | # UBIFS File system configuration |
| 1361 | source "fs/ubifs/Kconfig" |
| 1362 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1363 | config CRAMFS |
| 1364 | tristate "Compressed ROM file system support (cramfs)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1365 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | select ZLIB_INFLATE |
| 1367 | help |
| 1368 | Saying Y here includes support for CramFs (Compressed ROM File |
| 1369 | System). CramFs is designed to be a simple, small, and compressed |
| 1370 | file system for ROM based embedded systems. CramFs is read-only, |
| 1371 | limited to 256MB file systems (with 16MB files), and doesn't support |
| 1372 | 16/32 bits uid/gid, hard links and timestamps. |
| 1373 | |
| 1374 | See <file:Documentation/filesystems/cramfs.txt> and |
| 1375 | <file:fs/cramfs/README> for further information. |
| 1376 | |
| 1377 | To compile this as a module, choose M here: the module will be called |
| 1378 | cramfs. Note that the root file system (the one containing the |
| 1379 | directory /) cannot be compiled as a module. |
| 1380 | |
| 1381 | If unsure, say N. |
| 1382 | |
| 1383 | config VXFS_FS |
| 1384 | tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1385 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | help |
| 1387 | FreeVxFS is a file system driver that support the VERITAS VxFS(TM) |
| 1388 | file system format. VERITAS VxFS(TM) is the standard file system |
| 1389 | of SCO UnixWare (and possibly others) and optionally available |
| 1390 | for Sunsoft Solaris, HP-UX and many other operating systems. |
| 1391 | Currently only readonly access is supported. |
| 1392 | |
| 1393 | NOTE: the file system type as used by mount(1), mount(2) and |
| 1394 | fstab(5) is 'vxfs' as it describes the file system format, not |
| 1395 | the actual driver. |
| 1396 | |
| 1397 | To compile this as a module, choose M here: the module will be |
| 1398 | called freevxfs. If unsure, say N. |
| 1399 | |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 1400 | config MINIX_FS |
| 1401 | tristate "Minix file system support" |
| 1402 | depends on BLOCK |
| 1403 | help |
| 1404 | Minix is a simple operating system used in many classes about OS's. |
| 1405 | The minix file system (method to organize files on a hard disk |
| 1406 | partition or a floppy disk) was the original file system for Linux, |
| 1407 | but has been superseded by the second extended file system ext2fs. |
| 1408 | You don't want to use the minix file system on your hard disk |
| 1409 | because of certain built-in restrictions, but it is sometimes found |
| 1410 | on older Linux floppy disks. This option will enlarge your kernel |
| 1411 | by about 28 KB. If unsure, say N. |
| 1412 | |
| 1413 | To compile this file system support as a module, choose M here: the |
| 1414 | module will be called minix. Note that the file system of your root |
| 1415 | partition (the one containing the directory /) cannot be compiled as |
| 1416 | a module. |
| 1417 | |
Bob Copeland | 63ca8ce | 2008-07-25 19:45:17 -0700 | [diff] [blame] | 1418 | config OMFS_FS |
| 1419 | tristate "SonicBlue Optimized MPEG File System support" |
| 1420 | depends on BLOCK |
| 1421 | select CRC_ITU_T |
| 1422 | help |
| 1423 | This is the proprietary file system used by the Rio Karma music |
| 1424 | player and ReplayTV DVR. Despite the name, this filesystem is not |
| 1425 | more efficient than a standard FS for MPEG files, in fact likely |
| 1426 | the opposite is true. Say Y if you have either of these devices |
| 1427 | and wish to mount its disk. |
| 1428 | |
| 1429 | To compile this file system support as a module, choose M here: the |
| 1430 | module will be called omfs. If unsure, say N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1431 | |
| 1432 | config HPFS_FS |
| 1433 | tristate "OS/2 HPFS file system support" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1434 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1435 | help |
| 1436 | OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS |
| 1437 | is the file system used for organizing files on OS/2 hard disk |
| 1438 | partitions. Say Y if you want to be able to read files from and |
| 1439 | write files to an OS/2 HPFS partition on your hard drive. OS/2 |
| 1440 | floppies however are in regular MSDOS format, so you don't need this |
| 1441 | option in order to be able to read them. Read |
| 1442 | <file:Documentation/filesystems/hpfs.txt>. |
| 1443 | |
| 1444 | To compile this file system support as a module, choose M here: the |
| 1445 | module will be called hpfs. If unsure, say N. |
| 1446 | |
| 1447 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | config QNX4FS_FS |
| 1449 | tristate "QNX4 file system support (read only)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1450 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1451 | help |
| 1452 | This is the file system used by the real-time operating systems |
| 1453 | QNX 4 and QNX 6 (the latter is also called QNX RTP). |
| 1454 | Further information is available at <http://www.qnx.com/>. |
| 1455 | Say Y if you intend to mount QNX hard disks or floppies. |
| 1456 | Unless you say Y to "QNX4FS read-write support" below, you will |
| 1457 | only be able to read these file systems. |
| 1458 | |
| 1459 | To compile this file system support as a module, choose M here: the |
| 1460 | module will be called qnx4. |
| 1461 | |
| 1462 | If you don't know whether you need it, then you don't need it: |
| 1463 | answer N. |
| 1464 | |
| 1465 | config QNX4FS_RW |
| 1466 | bool "QNX4FS write support (DANGEROUS)" |
| 1467 | depends on QNX4FS_FS && EXPERIMENTAL && BROKEN |
| 1468 | help |
| 1469 | Say Y if you want to test write support for QNX4 file systems. |
| 1470 | |
| 1471 | It's currently broken, so for now: |
| 1472 | answer N. |
| 1473 | |
Randy Dunlap | 25fad94 | 2008-02-07 00:15:16 -0800 | [diff] [blame] | 1474 | config ROMFS_FS |
| 1475 | tristate "ROM file system support" |
| 1476 | depends on BLOCK |
| 1477 | ---help--- |
| 1478 | This is a very small read-only file system mainly intended for |
| 1479 | initial ram disks of installation disks, but it could be used for |
| 1480 | other read-only media as well. Read |
| 1481 | <file:Documentation/filesystems/romfs.txt> for details. |
| 1482 | |
| 1483 | To compile this file system support as a module, choose M here: the |
| 1484 | module will be called romfs. Note that the file system of your |
| 1485 | root partition (the one containing the directory /) cannot be a |
| 1486 | module. |
| 1487 | |
| 1488 | If you don't know whether you need it, then you don't need it: |
| 1489 | answer N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1490 | |
| 1491 | |
| 1492 | config SYSV_FS |
| 1493 | tristate "System V/Xenix/V7/Coherent file system support" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1494 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1495 | help |
| 1496 | SCO, Xenix and Coherent are commercial Unix systems for Intel |
| 1497 | machines, and Version 7 was used on the DEC PDP-11. Saying Y |
| 1498 | here would allow you to read from their floppies and hard disk |
| 1499 | partitions. |
| 1500 | |
| 1501 | If you have floppies or hard disk partitions like that, it is likely |
| 1502 | that they contain binaries from those other Unix systems; in order |
Matt LaPlante | cab0089 | 2006-10-03 22:36:44 +0200 | [diff] [blame] | 1503 | to run these binaries, you will want to install linux-abi which is |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1504 | a set of kernel modules that lets you run SCO, Xenix, Wyse, |
| 1505 | UnixWare, Dell Unix and System V programs under Linux. It is |
| 1506 | available via FTP (user: ftp) from |
| 1507 | <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>). |
| 1508 | NOTE: that will work only for binaries from Intel-based systems; |
| 1509 | PDP ones will have to wait until somebody ports Linux to -11 ;-) |
| 1510 | |
| 1511 | If you only intend to mount files from some other Unix over the |
| 1512 | network using NFS, you don't need the System V file system support |
| 1513 | (but you need NFS file system support obviously). |
| 1514 | |
| 1515 | Note that this option is generally not needed for floppies, since a |
| 1516 | good portable way to transport files and directories between unixes |
| 1517 | (and even other operating systems) is given by the tar program ("man |
| 1518 | tar" or preferably "info tar"). Note also that this option has |
| 1519 | nothing whatsoever to do with the option "System V IPC". Read about |
| 1520 | the System V file system in |
| 1521 | <file:Documentation/filesystems/sysv-fs.txt>. |
| 1522 | Saying Y here will enlarge your kernel by about 27 KB. |
| 1523 | |
| 1524 | To compile this as a module, choose M here: the module will be called |
| 1525 | sysv. |
| 1526 | |
| 1527 | If you haven't heard about all of this before, it's safe to say N. |
| 1528 | |
| 1529 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1530 | config UFS_FS |
| 1531 | tristate "UFS file system support (read only)" |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 1532 | depends on BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1533 | help |
| 1534 | BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD, |
| 1535 | OpenBSD and NeXTstep) use a file system called UFS. Some System V |
| 1536 | Unixes can create and mount hard disk partitions and diskettes using |
| 1537 | this file system as well. Saying Y here will allow you to read from |
| 1538 | these partitions; if you also want to write to them, say Y to the |
| 1539 | experimental "UFS file system write support", below. Please read the |
| 1540 | file <file:Documentation/filesystems/ufs.txt> for more information. |
| 1541 | |
| 1542 | The recently released UFS2 variant (used in FreeBSD 5.x) is |
| 1543 | READ-ONLY supported. |
| 1544 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1545 | Note that this option is generally not needed for floppies, since a |
| 1546 | good portable way to transport files and directories between unixes |
| 1547 | (and even other operating systems) is given by the tar program ("man |
| 1548 | tar" or preferably "info tar"). |
| 1549 | |
| 1550 | When accessing NeXTstep files, you may need to convert them from the |
| 1551 | NeXT character set to the Latin1 character set; use the program |
| 1552 | recode ("info recode") for this purpose. |
| 1553 | |
| 1554 | To compile the UFS file system support as a module, choose M here: the |
| 1555 | module will be called ufs. |
| 1556 | |
| 1557 | If you haven't heard about all of this before, it's safe to say N. |
| 1558 | |
| 1559 | config UFS_FS_WRITE |
| 1560 | bool "UFS file system write support (DANGEROUS)" |
Evgeniy Dushistov | 5afb314 | 2006-06-25 05:47:24 -0700 | [diff] [blame] | 1561 | depends on UFS_FS && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1562 | help |
| 1563 | Say Y here if you want to try writing to UFS partitions. This is |
| 1564 | experimental, so you should back up your UFS partitions beforehand. |
| 1565 | |
Evgeniy Dushistov | abf5d15 | 2006-06-25 05:47:24 -0700 | [diff] [blame] | 1566 | config UFS_DEBUG |
| 1567 | bool "UFS debugging" |
| 1568 | depends on UFS_FS |
| 1569 | help |
| 1570 | If you are experiencing any problems with the UFS filesystem, say |
| 1571 | Y here. This will result in _many_ additional debugging messages to be |
| 1572 | written to the system log. |
| 1573 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1574 | endmenu |
| 1575 | |
Jan Engelhardt | ea0985a | 2007-10-16 23:30:16 -0700 | [diff] [blame] | 1576 | menuconfig NETWORK_FILESYSTEMS |
| 1577 | bool "Network File Systems" |
| 1578 | default y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1579 | depends on NET |
Jan Engelhardt | ea0985a | 2007-10-16 23:30:16 -0700 | [diff] [blame] | 1580 | ---help--- |
| 1581 | Say Y here to get to see options for network filesystems and |
| 1582 | filesystem-related networking code, such as NFS daemon and |
| 1583 | RPCSEC security modules. |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1584 | |
Jan Engelhardt | ea0985a | 2007-10-16 23:30:16 -0700 | [diff] [blame] | 1585 | This option alone does not add any kernel code. |
| 1586 | |
| 1587 | If you say N, all options in this submenu will be skipped and |
| 1588 | disabled; if unsure, say Y here. |
| 1589 | |
| 1590 | if NETWORK_FILESYSTEMS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1591 | |
| 1592 | config NFS_FS |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1593 | tristate "NFS client support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1594 | depends on INET |
| 1595 | select LOCKD |
| 1596 | select SUNRPC |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 1597 | select NFS_ACL_SUPPORT if NFS_V3_ACL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1598 | help |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1599 | Choose Y here if you want to access files residing on other |
| 1600 | computers using Sun's Network File System protocol. To compile |
| 1601 | this file system support as a module, choose M here: the module |
| 1602 | will be called nfs. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1603 | |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1604 | To mount file systems exported by NFS servers, you also need to |
| 1605 | install the user space mount.nfs command which can be found in |
| 1606 | the Linux nfs-utils package, available from http://linux-nfs.org/. |
| 1607 | Information about using the mount command is available in the |
| 1608 | mount(8) man page. More detail about the Linux NFS client |
| 1609 | implementation is available via the nfs(5) man page. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1610 | |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1611 | Below you can choose which versions of the NFS protocol are |
| 1612 | available in the kernel to mount NFS servers. Support for NFS |
| 1613 | version 2 (RFC 1094) is always available when NFS_FS is selected. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1614 | |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1615 | To configure a system which mounts its root file system via NFS |
| 1616 | at boot time, say Y here, select "Kernel level IP |
| 1617 | autoconfiguration" in the NETWORK menu, and select "Root file |
| 1618 | system on NFS" below. You cannot compile this file system as a |
| 1619 | module in this case. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1620 | |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1621 | If unsure, say N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1622 | |
| 1623 | config NFS_V3 |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1624 | bool "NFS client support for NFS version 3" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1625 | depends on NFS_FS |
| 1626 | help |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1627 | This option enables support for version 3 of the NFS protocol |
| 1628 | (RFC 1813) in the kernel's NFS client. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1629 | |
| 1630 | If unsure, say Y. |
| 1631 | |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 1632 | config NFS_V3_ACL |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1633 | bool "NFS client support for the NFSv3 ACL protocol extension" |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 1634 | depends on NFS_V3 |
| 1635 | help |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1636 | Some NFS servers support an auxiliary NFSv3 ACL protocol that |
| 1637 | Sun added to Solaris but never became an official part of the |
| 1638 | NFS version 3 protocol. This protocol extension allows |
| 1639 | applications on NFS clients to manipulate POSIX Access Control |
| 1640 | Lists on files residing on NFS servers. NFS servers enforce |
| 1641 | ACLs on local files whether this protocol is available or not. |
| 1642 | |
| 1643 | Choose Y here if your NFS server supports the Solaris NFSv3 ACL |
| 1644 | protocol extension and you want your NFS client to allow |
| 1645 | applications to access and modify ACLs on files on the server. |
| 1646 | |
| 1647 | Most NFS servers don't support the Solaris NFSv3 ACL protocol |
| 1648 | extension. You can choose N here or specify the "noacl" mount |
| 1649 | option to prevent your NFS client from trying to use the NFSv3 |
| 1650 | ACL protocol. |
Andreas Gruenbacher | b7fa055 | 2005-06-22 17:16:27 +0000 | [diff] [blame] | 1651 | |
| 1652 | If unsure, say N. |
| 1653 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | config NFS_V4 |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1655 | bool "NFS client support for NFS version 4 (EXPERIMENTAL)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1656 | depends on NFS_FS && EXPERIMENTAL |
| 1657 | select RPCSEC_GSS_KRB5 |
| 1658 | help |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1659 | This option enables support for version 4 of the NFS protocol |
| 1660 | (RFC 3530) in the kernel's NFS client. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1661 | |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1662 | To mount NFS servers using NFSv4, you also need to install user |
| 1663 | space programs which can be found in the Linux nfs-utils package, |
| 1664 | available from http://linux-nfs.org/. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1665 | |
| 1666 | If unsure, say N. |
| 1667 | |
Chuck Lever | 6fb1bc1 | 2008-05-21 17:09:04 -0400 | [diff] [blame] | 1668 | config ROOT_NFS |
| 1669 | bool "Root file system on NFS" |
| 1670 | depends on NFS_FS=y && IP_PNP |
| 1671 | help |
| 1672 | If you want your system to mount its root file system via NFS, |
| 1673 | choose Y here. This is common practice for managing systems |
| 1674 | without local permanent storage. For details, read |
| 1675 | <file:Documentation/filesystems/nfsroot.txt>. |
| 1676 | |
| 1677 | Most people say N here. |
| 1678 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1679 | config NFSD |
| 1680 | tristate "NFS server support" |
| 1681 | depends on INET |
| 1682 | select LOCKD |
| 1683 | select SUNRPC |
| 1684 | select EXPORTFS |
Herbert Xu | f05e15b | 2006-06-26 00:25:39 -0700 | [diff] [blame] | 1685 | select NFS_ACL_SUPPORT if NFSD_V2_ACL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1686 | help |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1687 | Choose Y here if you want to allow other computers to access |
| 1688 | files residing on this system using Sun's Network File System |
| 1689 | protocol. To compile the NFS server support as a module, |
| 1690 | choose M here: the module will be called nfsd. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1691 | |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1692 | You may choose to use a user-space NFS server instead, in which |
| 1693 | case you can choose N here. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1694 | |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1695 | To export local file systems using NFS, you also need to install |
| 1696 | user space programs which can be found in the Linux nfs-utils |
| 1697 | package, available from http://linux-nfs.org/. More detail about |
| 1698 | the Linux NFS server implementation is available via the |
| 1699 | exports(5) man page. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1700 | |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1701 | Below you can choose which versions of the NFS protocol are |
| 1702 | available to clients mounting the NFS server on this system. |
| 1703 | Support for NFS version 2 (RFC 1094) is always available when |
| 1704 | CONFIG_NFSD is selected. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1705 | |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1706 | If unsure, say N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1707 | |
Andreas Gruenbacher | a257cdd | 2005-06-22 17:16:26 +0000 | [diff] [blame] | 1708 | config NFSD_V2_ACL |
| 1709 | bool |
| 1710 | depends on NFSD |
| 1711 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1712 | config NFSD_V3 |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1713 | bool "NFS server support for NFS version 3" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1714 | depends on NFSD |
| 1715 | help |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1716 | This option enables support in your system's NFS server for |
| 1717 | version 3 of the NFS protocol (RFC 1813). |
| 1718 | |
| 1719 | If unsure, say Y. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1720 | |
Andreas Gruenbacher | a257cdd | 2005-06-22 17:16:26 +0000 | [diff] [blame] | 1721 | config NFSD_V3_ACL |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1722 | bool "NFS server support for the NFSv3 ACL protocol extension" |
Andreas Gruenbacher | a257cdd | 2005-06-22 17:16:26 +0000 | [diff] [blame] | 1723 | depends on NFSD_V3 |
Chuck Lever | 78dd099 | 2008-02-11 17:12:31 -0500 | [diff] [blame] | 1724 | select NFSD_V2_ACL |
Andreas Gruenbacher | a257cdd | 2005-06-22 17:16:26 +0000 | [diff] [blame] | 1725 | help |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1726 | Solaris NFS servers support an auxiliary NFSv3 ACL protocol that |
| 1727 | never became an official part of the NFS version 3 protocol. |
| 1728 | This protocol extension allows applications on NFS clients to |
| 1729 | manipulate POSIX Access Control Lists on files residing on NFS |
| 1730 | servers. NFS servers enforce POSIX ACLs on local files whether |
| 1731 | this protocol is available or not. |
| 1732 | |
| 1733 | This option enables support in your system's NFS server for the |
| 1734 | NFSv3 ACL protocol extension allowing NFS clients to manipulate |
| 1735 | POSIX ACLs on files exported by your system's NFS server. NFS |
| 1736 | clients which support the Solaris NFSv3 ACL protocol can then |
| 1737 | access and modify ACLs on your NFS server. |
| 1738 | |
| 1739 | To store ACLs on your NFS server, you also need to enable ACL- |
| 1740 | related CONFIG options for your local file systems of choice. |
| 1741 | |
| 1742 | If unsure, say N. |
Andreas Gruenbacher | a257cdd | 2005-06-22 17:16:26 +0000 | [diff] [blame] | 1743 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1744 | config NFSD_V4 |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1745 | bool "NFS server support for NFS version 4 (EXPERIMENTAL)" |
Chuck Lever | 1a448fd | 2008-03-27 16:34:54 -0400 | [diff] [blame] | 1746 | depends on NFSD && PROC_FS && EXPERIMENTAL |
| 1747 | select NFSD_V3 |
Chuck Lever | 8920695 | 2008-02-11 17:12:24 -0500 | [diff] [blame] | 1748 | select FS_POSIX_ACL |
J. Bruce Fields | 42ed95c | 2007-07-17 04:04:41 -0700 | [diff] [blame] | 1749 | select RPCSEC_GSS_KRB5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1750 | help |
Chuck Lever | d24455b | 2008-02-11 17:11:54 -0500 | [diff] [blame] | 1751 | This option enables support in your system's NFS server for |
| 1752 | version 4 of the NFS protocol (RFC 3530). |
| 1753 | |
| 1754 | To export files using NFSv4, you need to install additional user |
| 1755 | space programs which can be found in the Linux nfs-utils package, |
| 1756 | available from http://linux-nfs.org/. |
| 1757 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1758 | If unsure, say N. |
| 1759 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1760 | config LOCKD |
| 1761 | tristate |
| 1762 | |
| 1763 | config LOCKD_V4 |
| 1764 | bool |
| 1765 | depends on NFSD_V3 || NFS_V3 |
| 1766 | default y |
| 1767 | |
| 1768 | config EXPORTFS |
| 1769 | tristate |
| 1770 | |
Andreas Gruenbacher | a257cdd | 2005-06-22 17:16:26 +0000 | [diff] [blame] | 1771 | config NFS_ACL_SUPPORT |
| 1772 | tristate |
| 1773 | select FS_POSIX_ACL |
| 1774 | |
| 1775 | config NFS_COMMON |
| 1776 | bool |
| 1777 | depends on NFSD || NFS_FS |
| 1778 | default y |
| 1779 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1780 | config SUNRPC |
| 1781 | tristate |
| 1782 | |
| 1783 | config SUNRPC_GSS |
| 1784 | tristate |
| 1785 | |
\"Talpey, Thomas\ | c3a57ed | 2007-09-10 13:49:15 -0400 | [diff] [blame] | 1786 | config SUNRPC_XPRT_RDMA |
James Lentini | 3211e4e | 2008-01-28 12:09:28 -0500 | [diff] [blame] | 1787 | tristate |
\"Talpey, Thomas\ | 113632d | 2007-09-20 17:37:58 -0400 | [diff] [blame] | 1788 | depends on SUNRPC && INFINIBAND && EXPERIMENTAL |
James Lentini | 3211e4e | 2008-01-28 12:09:28 -0500 | [diff] [blame] | 1789 | default SUNRPC && INFINIBAND |
Chuck Lever | 327a299 | 2008-03-14 14:15:11 -0400 | [diff] [blame] | 1790 | help |
| 1791 | This option enables an RPC client transport capability that |
| 1792 | allows the NFS client to mount servers via an RDMA-enabled |
| 1793 | transport. |
| 1794 | |
| 1795 | To compile RPC client RDMA transport support as a module, |
| 1796 | choose M here: the module will be called xprtrdma. |
| 1797 | |
| 1798 | If unsure, say N. |
\"Talpey, Thomas\ | c3a57ed | 2007-09-10 13:49:15 -0400 | [diff] [blame] | 1799 | |
Chuck Lever | a26cfad | 2008-08-18 19:34:16 -0400 | [diff] [blame] | 1800 | config SUNRPC_REGISTER_V4 |
| 1801 | bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)" |
| 1802 | depends on SUNRPC && EXPERIMENTAL |
| 1803 | default n |
| 1804 | help |
| 1805 | Sun added support for registering RPC services at an IPv6 |
| 1806 | address by creating two new versions of the rpcbind protocol |
| 1807 | (RFC 1833). |
| 1808 | |
| 1809 | This option enables support in the kernel RPC server for |
| 1810 | registering kernel RPC services via version 4 of the rpcbind |
| 1811 | protocol. If you enable this option, you must run a portmapper |
| 1812 | daemon that supports rpcbind protocol version 4. |
| 1813 | |
| 1814 | Serving NFS over IPv6 from knfsd (the kernel's NFS server) |
| 1815 | requires that you enable this option and use a portmapper that |
| 1816 | supports rpcbind version 4. |
| 1817 | |
| 1818 | If unsure, say N to get traditional behavior (register kernel |
| 1819 | RPC services using only rpcbind version 2). Distributions |
| 1820 | using the legacy Linux portmapper daemon must say N here. |
| 1821 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1822 | config RPCSEC_GSS_KRB5 |
| 1823 | tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" |
| 1824 | depends on SUNRPC && EXPERIMENTAL |
| 1825 | select SUNRPC_GSS |
| 1826 | select CRYPTO |
| 1827 | select CRYPTO_MD5 |
| 1828 | select CRYPTO_DES |
Patrick McHardy | bcbaecb | 2006-10-25 16:49:36 +1000 | [diff] [blame] | 1829 | select CRYPTO_CBC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1830 | help |
Chuck Lever | 327a299 | 2008-03-14 14:15:11 -0400 | [diff] [blame] | 1831 | Choose Y here to enable Secure RPC using the Kerberos version 5 |
| 1832 | GSS-API mechanism (RFC 1964). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1833 | |
Chuck Lever | 327a299 | 2008-03-14 14:15:11 -0400 | [diff] [blame] | 1834 | Secure RPC calls with Kerberos require an auxiliary user-space |
| 1835 | daemon which may be found in the Linux nfs-utils package |
| 1836 | available from http://linux-nfs.org/. In addition, user-space |
| 1837 | Kerberos support should be installed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1838 | |
| 1839 | If unsure, say N. |
| 1840 | |
| 1841 | config RPCSEC_GSS_SPKM3 |
| 1842 | tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)" |
| 1843 | depends on SUNRPC && EXPERIMENTAL |
| 1844 | select SUNRPC_GSS |
| 1845 | select CRYPTO |
| 1846 | select CRYPTO_MD5 |
| 1847 | select CRYPTO_DES |
J. Bruce Fields | df6db30 | 2006-03-20 23:25:10 -0500 | [diff] [blame] | 1848 | select CRYPTO_CAST5 |
Patrick McHardy | bcbaecb | 2006-10-25 16:49:36 +1000 | [diff] [blame] | 1849 | select CRYPTO_CBC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1850 | help |
Chuck Lever | 327a299 | 2008-03-14 14:15:11 -0400 | [diff] [blame] | 1851 | Choose Y here to enable Secure RPC using the SPKM3 public key |
| 1852 | GSS-API mechansim (RFC 2025). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1853 | |
Chuck Lever | 327a299 | 2008-03-14 14:15:11 -0400 | [diff] [blame] | 1854 | Secure RPC calls with SPKM3 require an auxiliary userspace |
| 1855 | daemon which may be found in the Linux nfs-utils package |
| 1856 | available from http://linux-nfs.org/. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1857 | |
| 1858 | If unsure, say N. |
| 1859 | |
| 1860 | config SMB_FS |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1861 | tristate "SMB file system support (OBSOLETE, please use CIFS)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1862 | depends on INET |
| 1863 | select NLS |
| 1864 | help |
| 1865 | SMB (Server Message Block) is the protocol Windows for Workgroups |
| 1866 | (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share |
| 1867 | files and printers over local networks. Saying Y here allows you to |
| 1868 | mount their file systems (often called "shares" in this context) and |
| 1869 | access them just like any other Unix directory. Currently, this |
| 1870 | works only if the Windows machines use TCP/IP as the underlying |
| 1871 | transport protocol, and not NetBEUI. For details, read |
| 1872 | <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO, |
| 1873 | available from <http://www.tldp.org/docs.html#howto>. |
| 1874 | |
| 1875 | Note: if you just want your box to act as an SMB *server* and make |
| 1876 | files and printing services available to Windows clients (which need |
| 1877 | to have a TCP/IP stack), you don't need to say Y here; you can use |
| 1878 | the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>) |
| 1879 | for that. |
| 1880 | |
| 1881 | General information about how to connect Linux, Windows machines and |
| 1882 | Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. |
| 1883 | |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1884 | To compile the SMB support as a module, choose M here: |
| 1885 | the module will be called smbfs. Most people say N, however. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1886 | |
| 1887 | config SMB_NLS_DEFAULT |
| 1888 | bool "Use a default NLS" |
| 1889 | depends on SMB_FS |
| 1890 | help |
| 1891 | Enabling this will make smbfs use nls translations by default. You |
| 1892 | need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls |
| 1893 | settings and you need to give the default nls for the SMB server as |
| 1894 | CONFIG_SMB_NLS_REMOTE. |
| 1895 | |
| 1896 | The nls settings can be changed at mount time, if your smbmount |
| 1897 | supports that, using the codepage and iocharset parameters. |
| 1898 | |
| 1899 | smbmount from samba 2.2.0 or later supports this. |
| 1900 | |
| 1901 | config SMB_NLS_REMOTE |
| 1902 | string "Default Remote NLS Option" |
| 1903 | depends on SMB_NLS_DEFAULT |
| 1904 | default "cp437" |
| 1905 | help |
| 1906 | This setting allows you to specify a default value for which |
| 1907 | codepage the server uses. If this field is left blank no |
| 1908 | translations will be done by default. The local codepage/charset |
| 1909 | default to CONFIG_NLS_DEFAULT. |
| 1910 | |
| 1911 | The nls settings can be changed at mount time, if your smbmount |
| 1912 | supports that, using the codepage and iocharset parameters. |
| 1913 | |
| 1914 | smbmount from samba 2.2.0 or later supports this. |
| 1915 | |
| 1916 | config CIFS |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1917 | tristate "CIFS support (advanced network filesystem, SMBFS successor)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1918 | depends on INET |
| 1919 | select NLS |
| 1920 | help |
| 1921 | This is the client VFS module for the Common Internet File System |
| 1922 | (CIFS) protocol which is the successor to the Server Message Block |
| 1923 | (SMB) protocol, the native file sharing mechanism for most early |
| 1924 | PC operating systems. The CIFS protocol is fully supported by |
| 1925 | file servers such as Windows 2000 (including Windows 2003, NT 4 |
| 1926 | and Windows XP) as well by Samba (which provides excellent CIFS |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 1927 | server support for Linux and many other operating systems). Limited |
Steve French | 6103335 | 2008-01-09 16:21:36 +0000 | [diff] [blame] | 1928 | support for OS/2 and Windows ME and similar servers is provided as |
| 1929 | well. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1930 | |
Steve French | 6103335 | 2008-01-09 16:21:36 +0000 | [diff] [blame] | 1931 | The cifs module provides an advanced network file system |
| 1932 | client for mounting to CIFS compliant servers. It includes |
| 1933 | support for DFS (hierarchical name space), secure per-user |
| 1934 | session establishment via Kerberos or NTLM or NTLMv2, |
| 1935 | safe distributed caching (oplock), optional packet |
| 1936 | signing, Unicode and other internationalization improvements. |
Steve French | 8af1897 | 2007-02-14 04:42:51 +0000 | [diff] [blame] | 1937 | If you need to mount to Samba or Windows from this machine, say Y. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1938 | |
| 1939 | config CIFS_STATS |
| 1940 | bool "CIFS statistics" |
| 1941 | depends on CIFS |
| 1942 | help |
| 1943 | Enabling this option will cause statistics for each server share |
| 1944 | mounted by the cifs client to be displayed in /proc/fs/cifs/Stats |
| 1945 | |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 1946 | config CIFS_STATS2 |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1947 | bool "Extended statistics" |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 1948 | depends on CIFS_STATS |
| 1949 | help |
| 1950 | Enabling this option will allow more detailed statistics on SMB |
| 1951 | request timing to be displayed in /proc/fs/cifs/DebugData and also |
| 1952 | allow optional logging of slow responses to dmesg (depending on the |
| 1953 | value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details). |
| 1954 | These additional statistics may have a minor effect on performance |
| 1955 | and memory utilization. |
| 1956 | |
| 1957 | Unless you are a developer or are doing network performance analysis |
| 1958 | or tuning, say N. |
| 1959 | |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1960 | config CIFS_WEAK_PW_HASH |
| 1961 | bool "Support legacy servers which use weaker LANMAN security" |
| 1962 | depends on CIFS |
| 1963 | help |
| 1964 | Modern CIFS servers including Samba and most Windows versions |
| 1965 | (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos) |
| 1966 | security mechanisms. These hash the password more securely |
| 1967 | than the mechanisms used in the older LANMAN version of the |
Steve French | 6103335 | 2008-01-09 16:21:36 +0000 | [diff] [blame] | 1968 | SMB protocol but LANMAN based authentication is needed to |
| 1969 | establish sessions with some old SMB servers. |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1970 | |
| 1971 | Enabling this option allows the cifs module to mount to older |
| 1972 | LANMAN based servers such as OS/2 and Windows 95, but such |
| 1973 | mounts may be less secure than mounts using NTLM or more recent |
| 1974 | security mechanisms if you are on a public network. Unless you |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1975 | have a need to access old SMB servers (and are on a private |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1976 | network) you probably want to say N. Even if this support |
Steve French | 6103335 | 2008-01-09 16:21:36 +0000 | [diff] [blame] | 1977 | is enabled in the kernel build, LANMAN authentication will not be |
| 1978 | used automatically. At runtime LANMAN mounts are disabled but |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1979 | can be set to required (or optional) either in |
| 1980 | /proc/fs/cifs (see fs/cifs/README for more detail) or via an |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1981 | option on the mount command. This support is disabled by |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1982 | default in order to reduce the possibility of a downgrade |
| 1983 | attack. |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 1984 | |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 1985 | If unsure, say N. |
| 1986 | |
Steve French | 96c2a11 | 2008-08-26 18:32:28 +0000 | [diff] [blame] | 1987 | config CIFS_UPCALL |
| 1988 | bool "Kerberos/SPNEGO advanced session setup" |
| 1989 | depends on CIFS && KEYS |
| 1990 | help |
| 1991 | Enables an upcall mechanism for CIFS which accesses |
| 1992 | userspace helper utilities to provide SPNEGO packaged (RFC 4178) |
| 1993 | Kerberos tickets which are needed to mount to certain secure servers |
| 1994 | (for which more secure Kerberos authentication is required). If |
| 1995 | unsure, say N. |
| 1996 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1997 | config CIFS_XATTR |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 1998 | bool "CIFS extended attributes" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1999 | depends on CIFS |
| 2000 | help |
| 2001 | Extended attributes are name:value pairs associated with inodes by |
| 2002 | the kernel or by users (see the attr(5) manual page, or visit |
| 2003 | <http://acl.bestbits.at/> for details). CIFS maps the name of |
| 2004 | extended attributes beginning with the user namespace prefix |
| 2005 | to SMB/CIFS EAs. EAs are stored on Windows servers without the |
| 2006 | user namespace prefix, but their names are seen by Linux cifs clients |
| 2007 | prefaced by the user namespace prefix. The system namespace |
| 2008 | (used by some filesystems to store ACLs) is not supported at |
| 2009 | this time. |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 2010 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2011 | If unsure, say N. |
| 2012 | |
| 2013 | config CIFS_POSIX |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 2014 | bool "CIFS POSIX Extensions" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2015 | depends on CIFS_XATTR |
| 2016 | help |
| 2017 | Enabling this option will cause the cifs client to attempt to |
| 2018 | negotiate a newer dialect with servers, such as Samba 3.0.5 |
| 2019 | or later, that optionally can handle more POSIX like (rather |
| 2020 | than Windows like) file behavior. It also enables |
| 2021 | support for POSIX ACLs (getfacl and setfacl) to servers |
| 2022 | (such as Samba 3.10 and later) which can negotiate |
| 2023 | CIFS POSIX ACL support. If unsure, say N. |
| 2024 | |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 2025 | config CIFS_DEBUG2 |
Steve French | 3856a9d | 2006-06-01 19:38:46 +0000 | [diff] [blame] | 2026 | bool "Enable additional CIFS debugging routines" |
Steve French | 8ba10ab | 2006-07-08 02:17:40 +0000 | [diff] [blame] | 2027 | depends on CIFS |
Steve French | 3979877 | 2006-05-31 22:40:51 +0000 | [diff] [blame] | 2028 | help |
| 2029 | Enabling this option adds a few more debugging routines |
| 2030 | to the cifs code which slightly increases the size of |
| 2031 | the cifs module and can cause additional logging of debug |
| 2032 | messages in some error paths, slowing performance. This |
| 2033 | option can be turned off unless you are debugging |
| 2034 | cifs problems. If unsure, say N. |
Andrew Morton | c773633 | 2008-02-05 14:22:58 -0800 | [diff] [blame] | 2035 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2036 | config CIFS_EXPERIMENTAL |
| 2037 | bool "CIFS Experimental Features (EXPERIMENTAL)" |
Steve French | cb9dbff | 2005-11-02 11:37:15 -0800 | [diff] [blame] | 2038 | depends on CIFS && EXPERIMENTAL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2039 | help |
Steve French | ec58ef0 | 2005-11-04 09:44:33 -0800 | [diff] [blame] | 2040 | Enables cifs features under testing. These features are |
Steve French | 8af1897 | 2007-02-14 04:42:51 +0000 | [diff] [blame] | 2041 | experimental and currently include DFS support and directory |
| 2042 | change notification ie fcntl(F_DNOTIFY), as well as the upcall |
| 2043 | mechanism which will be used for Kerberos session negotiation |
| 2044 | and uid remapping. Some of these features also may depend on |
| 2045 | setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental |
| 2046 | (which is disabled by default). See the file fs/cifs/README |
| 2047 | for more details. If unsure, say N. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2048 | |
Steve French | 6103335 | 2008-01-09 16:21:36 +0000 | [diff] [blame] | 2049 | config CIFS_DFS_UPCALL |
| 2050 | bool "DFS feature support (EXPERIMENTAL)" |
| 2051 | depends on CIFS_EXPERIMENTAL |
| 2052 | depends on KEYS |
| 2053 | help |
| 2054 | Enables an upcall mechanism for CIFS which contacts userspace |
| 2055 | helper utilities to provide server name resolution (host names to |
| 2056 | IP addresses) which is needed for implicit mounts of DFS junction |
| 2057 | points. If unsure, say N. |
| 2058 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2059 | config NCP_FS |
| 2060 | tristate "NCP file system support (to mount NetWare volumes)" |
| 2061 | depends on IPX!=n || INET |
| 2062 | help |
| 2063 | NCP (NetWare Core Protocol) is a protocol that runs over IPX and is |
| 2064 | used by Novell NetWare clients to talk to file servers. It is to |
| 2065 | IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you |
| 2066 | to mount NetWare file server volumes and to access them just like |
| 2067 | any other Unix directory. For details, please read the file |
| 2068 | <file:Documentation/filesystems/ncpfs.txt> in the kernel source and |
| 2069 | the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>. |
| 2070 | |
| 2071 | You do not have to say Y here if you want your Linux box to act as a |
| 2072 | file *server* for Novell NetWare clients. |
| 2073 | |
| 2074 | General information about how to connect Linux, Windows machines and |
| 2075 | Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. |
| 2076 | |
| 2077 | To compile this as a module, choose M here: the module will be called |
| 2078 | ncpfs. Say N unless you are connected to a Novell network. |
| 2079 | |
| 2080 | source "fs/ncpfs/Kconfig" |
| 2081 | |
| 2082 | config CODA_FS |
| 2083 | tristate "Coda file system support (advanced network fs)" |
| 2084 | depends on INET |
| 2085 | help |
| 2086 | Coda is an advanced network file system, similar to NFS in that it |
| 2087 | enables you to mount file systems of a remote server and access them |
| 2088 | with regular Unix commands as if they were sitting on your hard |
| 2089 | disk. Coda has several advantages over NFS: support for |
| 2090 | disconnected operation (e.g. for laptops), read/write server |
| 2091 | replication, security model for authentication and encryption, |
| 2092 | persistent client caches and write back caching. |
| 2093 | |
| 2094 | If you say Y here, your Linux box will be able to act as a Coda |
| 2095 | *client*. You will need user level code as well, both for the |
| 2096 | client and server. Servers are currently user level, i.e. they need |
| 2097 | no kernel support. Please read |
| 2098 | <file:Documentation/filesystems/coda.txt> and check out the Coda |
| 2099 | home page <http://www.coda.cs.cmu.edu/>. |
| 2100 | |
| 2101 | To compile the coda client support as a module, choose M here: the |
| 2102 | module will be called coda. |
| 2103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | config AFS_FS |
David Howells | 64aaa4f | 2006-11-16 01:19:27 -0800 | [diff] [blame] | 2105 | tristate "Andrew File System support (AFS) (EXPERIMENTAL)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2106 | depends on INET && EXPERIMENTAL |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 2107 | select AF_RXRPC |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2108 | help |
| 2109 | If you say Y here, you will get an experimental Andrew File System |
| 2110 | driver. It currently only supports unsecured read-only AFS access. |
| 2111 | |
Matt LaPlante | cc2e276 | 2006-10-03 22:22:29 +0200 | [diff] [blame] | 2112 | See <file:Documentation/filesystems/afs.txt> for more information. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2113 | |
| 2114 | If unsure, say N. |
| 2115 | |
David Howells | 08e0e7c | 2007-04-26 15:55:03 -0700 | [diff] [blame] | 2116 | config AFS_DEBUG |
| 2117 | bool "AFS dynamic debugging" |
| 2118 | depends on AFS_FS |
| 2119 | help |
| 2120 | Say Y here to make runtime controllable debugging messages appear. |
| 2121 | |
| 2122 | See <file:Documentation/filesystems/afs.txt> for more information. |
| 2123 | |
| 2124 | If unsure, say N. |
| 2125 | |
Eric Van Hensbergen | 93fa58c | 2005-09-09 13:04:18 -0700 | [diff] [blame] | 2126 | config 9P_FS |
| 2127 | tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" |
Latchesar Ionkov | bd238fb | 2007-07-10 17:57:28 -0500 | [diff] [blame] | 2128 | depends on INET && NET_9P && EXPERIMENTAL |
Eric Van Hensbergen | 93fa58c | 2005-09-09 13:04:18 -0700 | [diff] [blame] | 2129 | help |
| 2130 | If you say Y here, you will get experimental support for |
| 2131 | Plan 9 resource sharing via the 9P2000 protocol. |
| 2132 | |
| 2133 | See <http://v9fs.sf.net> for more information. |
| 2134 | |
| 2135 | If unsure, say N. |
| 2136 | |
Jan Engelhardt | ea0985a | 2007-10-16 23:30:16 -0700 | [diff] [blame] | 2137 | endif # NETWORK_FILESYSTEMS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2138 | |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 2139 | if BLOCK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2140 | menu "Partition Types" |
| 2141 | |
| 2142 | source "fs/partitions/Kconfig" |
| 2143 | |
| 2144 | endmenu |
David Howells | 9361401 | 2006-09-30 20:45:40 +0200 | [diff] [blame] | 2145 | endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | |
| 2147 | source "fs/nls/Kconfig" |
David Teigland | e7fd417 | 2006-01-18 09:30:29 +0000 | [diff] [blame] | 2148 | source "fs/dlm/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2149 | |
| 2150 | endmenu |