Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include "xfs.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 19 | #include "xfs_bit.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include "xfs_log.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 21 | #include "xfs_inum.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include "xfs_sb.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 23 | #include "xfs_ag.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "xfs_dir2.h" |
| 25 | #include "xfs_trans.h" |
| 26 | #include "xfs_dmapi.h" |
| 27 | #include "xfs_mount.h" |
| 28 | #include "xfs_bmap_btree.h" |
| 29 | #include "xfs_alloc_btree.h" |
| 30 | #include "xfs_ialloc_btree.h" |
| 31 | #include "xfs_alloc.h" |
| 32 | #include "xfs_btree.h" |
| 33 | #include "xfs_attr_sf.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include "xfs_dir2_sf.h" |
| 35 | #include "xfs_dinode.h" |
| 36 | #include "xfs_inode.h" |
| 37 | #include "xfs_error.h" |
| 38 | #include "xfs_rw.h" |
| 39 | #include "xfs_ioctl32.h" |
| 40 | |
| 41 | #include <linux/dcache.h> |
| 42 | #include <linux/smp_lock.h> |
| 43 | |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 44 | static struct vm_operations_struct xfs_file_vm_ops; |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 45 | #ifdef CONFIG_XFS_DMAPI |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 46 | static struct vm_operations_struct xfs_dmapi_file_vm_ops; |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 47 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
| 49 | STATIC inline ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 50 | __xfs_file_read( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | struct kiocb *iocb, |
| 52 | char __user *buf, |
| 53 | int ioflags, |
| 54 | size_t count, |
| 55 | loff_t pos) |
| 56 | { |
| 57 | struct iovec iov = {buf, count}; |
| 58 | struct file *file = iocb->ki_filp; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 59 | bhv_vnode_t *vp = vn_from_inode(file->f_dentry->d_inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | BUG_ON(iocb->ki_pos != pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | if (unlikely(file->f_flags & O_DIRECT)) |
| 63 | ioflags |= IO_ISDIRECT; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 64 | return bhv_vop_read(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | } |
| 66 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 68 | xfs_file_aio_read( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | struct kiocb *iocb, |
| 70 | char __user *buf, |
| 71 | size_t count, |
| 72 | loff_t pos) |
| 73 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 74 | return __xfs_file_read(iocb, buf, IO_ISAIO, count, pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 78 | xfs_file_aio_read_invis( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | struct kiocb *iocb, |
| 80 | char __user *buf, |
| 81 | size_t count, |
| 82 | loff_t pos) |
| 83 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 84 | return __xfs_file_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | } |
| 86 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | STATIC inline ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 88 | __xfs_file_write( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | struct kiocb *iocb, |
| 90 | const char __user *buf, |
| 91 | int ioflags, |
| 92 | size_t count, |
| 93 | loff_t pos) |
| 94 | { |
| 95 | struct iovec iov = {(void __user *)buf, count}; |
| 96 | struct file *file = iocb->ki_filp; |
| 97 | struct inode *inode = file->f_mapping->host; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 98 | bhv_vnode_t *vp = vn_from_inode(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
| 100 | BUG_ON(iocb->ki_pos != pos); |
| 101 | if (unlikely(file->f_flags & O_DIRECT)) |
| 102 | ioflags |= IO_ISDIRECT; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 103 | return bhv_vop_write(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | } |
| 105 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 107 | xfs_file_aio_write( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | struct kiocb *iocb, |
| 109 | const char __user *buf, |
| 110 | size_t count, |
| 111 | loff_t pos) |
| 112 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 113 | return __xfs_file_write(iocb, buf, IO_ISAIO, count, pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 117 | xfs_file_aio_write_invis( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | struct kiocb *iocb, |
| 119 | const char __user *buf, |
| 120 | size_t count, |
| 121 | loff_t pos) |
| 122 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 123 | return __xfs_file_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | } |
| 125 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | STATIC inline ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 127 | __xfs_file_readv( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | struct file *file, |
| 129 | const struct iovec *iov, |
| 130 | int ioflags, |
| 131 | unsigned long nr_segs, |
| 132 | loff_t *ppos) |
| 133 | { |
| 134 | struct inode *inode = file->f_mapping->host; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 135 | bhv_vnode_t *vp = vn_from_inode(inode); |
Nathan Scott | 524fbf5 | 2006-03-14 14:07:53 +1100 | [diff] [blame] | 136 | struct kiocb kiocb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | ssize_t rval; |
| 138 | |
Nathan Scott | 524fbf5 | 2006-03-14 14:07:53 +1100 | [diff] [blame] | 139 | init_sync_kiocb(&kiocb, file); |
| 140 | kiocb.ki_pos = *ppos; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
| 142 | if (unlikely(file->f_flags & O_DIRECT)) |
| 143 | ioflags |= IO_ISDIRECT; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 144 | rval = bhv_vop_read(vp, &kiocb, iov, nr_segs, |
| 145 | &kiocb.ki_pos, ioflags, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | |
Nathan Scott | 524fbf5 | 2006-03-14 14:07:53 +1100 | [diff] [blame] | 147 | *ppos = kiocb.ki_pos; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | return rval; |
| 149 | } |
| 150 | |
| 151 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 152 | xfs_file_readv( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | struct file *file, |
| 154 | const struct iovec *iov, |
| 155 | unsigned long nr_segs, |
| 156 | loff_t *ppos) |
| 157 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 158 | return __xfs_file_readv(file, iov, 0, nr_segs, ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 162 | xfs_file_readv_invis( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | struct file *file, |
| 164 | const struct iovec *iov, |
| 165 | unsigned long nr_segs, |
| 166 | loff_t *ppos) |
| 167 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 168 | return __xfs_file_readv(file, iov, IO_INVIS, nr_segs, ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | } |
| 170 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | STATIC inline ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 172 | __xfs_file_writev( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | struct file *file, |
| 174 | const struct iovec *iov, |
| 175 | int ioflags, |
| 176 | unsigned long nr_segs, |
| 177 | loff_t *ppos) |
| 178 | { |
| 179 | struct inode *inode = file->f_mapping->host; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 180 | bhv_vnode_t *vp = vn_from_inode(inode); |
Nathan Scott | 524fbf5 | 2006-03-14 14:07:53 +1100 | [diff] [blame] | 181 | struct kiocb kiocb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | ssize_t rval; |
| 183 | |
Nathan Scott | 524fbf5 | 2006-03-14 14:07:53 +1100 | [diff] [blame] | 184 | init_sync_kiocb(&kiocb, file); |
| 185 | kiocb.ki_pos = *ppos; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | if (unlikely(file->f_flags & O_DIRECT)) |
| 187 | ioflags |= IO_ISDIRECT; |
| 188 | |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 189 | rval = bhv_vop_write(vp, &kiocb, iov, nr_segs, |
| 190 | &kiocb.ki_pos, ioflags, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
Nathan Scott | 524fbf5 | 2006-03-14 14:07:53 +1100 | [diff] [blame] | 192 | *ppos = kiocb.ki_pos; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | return rval; |
| 194 | } |
| 195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 197 | xfs_file_writev( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | struct file *file, |
| 199 | const struct iovec *iov, |
| 200 | unsigned long nr_segs, |
| 201 | loff_t *ppos) |
| 202 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 203 | return __xfs_file_writev(file, iov, 0, nr_segs, ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 207 | xfs_file_writev_invis( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | struct file *file, |
| 209 | const struct iovec *iov, |
| 210 | unsigned long nr_segs, |
| 211 | loff_t *ppos) |
| 212 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 213 | return __xfs_file_writev(file, iov, IO_INVIS, nr_segs, ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | STATIC ssize_t |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 217 | xfs_file_sendfile( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | struct file *filp, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 219 | loff_t *pos, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | size_t count, |
| 221 | read_actor_t actor, |
| 222 | void *target) |
| 223 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 224 | return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode), |
| 225 | filp, pos, 0, count, actor, target, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | } |
| 227 | |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 228 | STATIC ssize_t |
| 229 | xfs_file_sendfile_invis( |
| 230 | struct file *filp, |
| 231 | loff_t *pos, |
| 232 | size_t count, |
| 233 | read_actor_t actor, |
| 234 | void *target) |
| 235 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 236 | return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode), |
| 237 | filp, pos, IO_INVIS, count, actor, target, NULL); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | STATIC ssize_t |
| 241 | xfs_file_splice_read( |
| 242 | struct file *infilp, |
Jens Axboe | cbb7e57 | 2006-04-11 14:57:50 +0200 | [diff] [blame] | 243 | loff_t *ppos, |
Ingo Molnar | 3a326a2 | 2006-04-10 15:18:35 +0200 | [diff] [blame] | 244 | struct pipe_inode_info *pipe, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 245 | size_t len, |
| 246 | unsigned int flags) |
| 247 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 248 | return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode), |
| 249 | infilp, ppos, pipe, len, flags, 0, NULL); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | STATIC ssize_t |
| 253 | xfs_file_splice_read_invis( |
| 254 | struct file *infilp, |
Jens Axboe | cbb7e57 | 2006-04-11 14:57:50 +0200 | [diff] [blame] | 255 | loff_t *ppos, |
Ingo Molnar | 3a326a2 | 2006-04-10 15:18:35 +0200 | [diff] [blame] | 256 | struct pipe_inode_info *pipe, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 257 | size_t len, |
| 258 | unsigned int flags) |
| 259 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 260 | return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode), |
| 261 | infilp, ppos, pipe, len, flags, IO_INVIS, |
| 262 | NULL); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | STATIC ssize_t |
| 266 | xfs_file_splice_write( |
Ingo Molnar | 3a326a2 | 2006-04-10 15:18:35 +0200 | [diff] [blame] | 267 | struct pipe_inode_info *pipe, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 268 | struct file *outfilp, |
Jens Axboe | cbb7e57 | 2006-04-11 14:57:50 +0200 | [diff] [blame] | 269 | loff_t *ppos, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 270 | size_t len, |
| 271 | unsigned int flags) |
| 272 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 273 | return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode), |
| 274 | pipe, outfilp, ppos, len, flags, 0, NULL); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | STATIC ssize_t |
| 278 | xfs_file_splice_write_invis( |
Ingo Molnar | 3a326a2 | 2006-04-10 15:18:35 +0200 | [diff] [blame] | 279 | struct pipe_inode_info *pipe, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 280 | struct file *outfilp, |
Jens Axboe | cbb7e57 | 2006-04-11 14:57:50 +0200 | [diff] [blame] | 281 | loff_t *ppos, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 282 | size_t len, |
| 283 | unsigned int flags) |
| 284 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 285 | return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode), |
| 286 | pipe, outfilp, ppos, len, flags, IO_INVIS, |
| 287 | NULL); |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 288 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | |
| 290 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 291 | xfs_file_open( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | struct inode *inode, |
| 293 | struct file *filp) |
| 294 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) |
| 296 | return -EFBIG; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 297 | return -bhv_vop_open(vn_from_inode(inode), NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | } |
| 299 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | STATIC int |
Nathan Scott | 7d4fb40 | 2006-06-09 15:27:16 +1000 | [diff] [blame] | 301 | xfs_file_close( |
Alexey Dobriyan | 1e788f8 | 2006-06-25 16:42:33 -0700 | [diff] [blame] | 302 | struct file *filp, |
| 303 | fl_owner_t id) |
Nathan Scott | 7d4fb40 | 2006-06-09 15:27:16 +1000 | [diff] [blame] | 304 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 305 | return -bhv_vop_close(vn_from_inode(filp->f_dentry->d_inode), 0, |
| 306 | file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL); |
Nathan Scott | 7d4fb40 | 2006-06-09 15:27:16 +1000 | [diff] [blame] | 307 | } |
| 308 | |
| 309 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 310 | xfs_file_release( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | struct inode *inode, |
| 312 | struct file *filp) |
| 313 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 314 | bhv_vnode_t *vp = vn_from_inode(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | |
| 316 | if (vp) |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 317 | return -bhv_vop_release(vp); |
| 318 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | } |
| 320 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 322 | xfs_file_fsync( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | struct file *filp, |
| 324 | struct dentry *dentry, |
| 325 | int datasync) |
| 326 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 327 | bhv_vnode_t *vp = vn_from_inode(dentry->d_inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | int flags = FSYNC_WAIT; |
| 329 | |
| 330 | if (datasync) |
| 331 | flags |= FSYNC_DATA; |
Nathan Scott | 7d4fb40 | 2006-06-09 15:27:16 +1000 | [diff] [blame] | 332 | if (VN_TRUNC(vp)) |
| 333 | VUNTRUNCATE(vp); |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 334 | return -bhv_vop_fsync(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | } |
| 336 | |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 337 | #ifdef CONFIG_XFS_DMAPI |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 338 | STATIC struct page * |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 339 | xfs_vm_nopage( |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 340 | struct vm_area_struct *area, |
| 341 | unsigned long address, |
| 342 | int *type) |
| 343 | { |
| 344 | struct inode *inode = area->vm_file->f_dentry->d_inode; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 345 | bhv_vnode_t *vp = vn_from_inode(inode); |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 346 | |
| 347 | ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI); |
Nathan Scott | fbc1462 | 2006-06-09 14:52:13 +1000 | [diff] [blame] | 348 | if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), area, 0)) |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 349 | return NULL; |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 350 | return filemap_nopage(area, address, type); |
| 351 | } |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 352 | #endif /* CONFIG_XFS_DMAPI */ |
| 353 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 355 | xfs_file_readdir( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | struct file *filp, |
| 357 | void *dirent, |
| 358 | filldir_t filldir) |
| 359 | { |
| 360 | int error = 0; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 361 | bhv_vnode_t *vp = vn_from_inode(filp->f_dentry->d_inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | uio_t uio; |
| 363 | iovec_t iov; |
| 364 | int eof = 0; |
| 365 | caddr_t read_buf; |
| 366 | int namelen, size = 0; |
| 367 | size_t rlen = PAGE_CACHE_SIZE; |
| 368 | xfs_off_t start_offset, curr_offset; |
| 369 | xfs_dirent_t *dbp = NULL; |
| 370 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | /* Try fairly hard to get memory */ |
| 372 | do { |
| 373 | if ((read_buf = (caddr_t)kmalloc(rlen, GFP_KERNEL))) |
| 374 | break; |
| 375 | rlen >>= 1; |
| 376 | } while (rlen >= 1024); |
| 377 | |
| 378 | if (read_buf == NULL) |
| 379 | return -ENOMEM; |
| 380 | |
| 381 | uio.uio_iov = &iov; |
| 382 | uio.uio_segflg = UIO_SYSSPACE; |
| 383 | curr_offset = filp->f_pos; |
| 384 | if (filp->f_pos != 0x7fffffff) |
| 385 | uio.uio_offset = filp->f_pos; |
| 386 | else |
| 387 | uio.uio_offset = 0xffffffff; |
| 388 | |
| 389 | while (!eof) { |
| 390 | uio.uio_resid = iov.iov_len = rlen; |
| 391 | iov.iov_base = read_buf; |
| 392 | uio.uio_iovcnt = 1; |
| 393 | |
| 394 | start_offset = uio.uio_offset; |
| 395 | |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 396 | error = bhv_vop_readdir(vp, &uio, NULL, &eof); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | if ((uio.uio_offset == start_offset) || error) { |
| 398 | size = 0; |
| 399 | break; |
| 400 | } |
| 401 | |
| 402 | size = rlen - uio.uio_resid; |
| 403 | dbp = (xfs_dirent_t *)read_buf; |
| 404 | while (size > 0) { |
| 405 | namelen = strlen(dbp->d_name); |
| 406 | |
| 407 | if (filldir(dirent, dbp->d_name, namelen, |
| 408 | (loff_t) curr_offset & 0x7fffffff, |
| 409 | (ino_t) dbp->d_ino, |
| 410 | DT_UNKNOWN)) { |
| 411 | goto done; |
| 412 | } |
| 413 | size -= dbp->d_reclen; |
| 414 | curr_offset = (loff_t)dbp->d_off /* & 0x7fffffff */; |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 415 | dbp = (xfs_dirent_t *)((char *)dbp + dbp->d_reclen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | } |
| 417 | } |
| 418 | done: |
| 419 | if (!error) { |
| 420 | if (size == 0) |
| 421 | filp->f_pos = uio.uio_offset & 0x7fffffff; |
| 422 | else if (dbp) |
| 423 | filp->f_pos = curr_offset; |
| 424 | } |
| 425 | |
| 426 | kfree(read_buf); |
| 427 | return -error; |
| 428 | } |
| 429 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 431 | xfs_file_mmap( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | struct file *filp, |
| 433 | struct vm_area_struct *vma) |
| 434 | { |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 435 | vma->vm_ops = &xfs_file_vm_ops; |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 436 | |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 437 | #ifdef CONFIG_XFS_DMAPI |
Nathan Scott | fbc1462 | 2006-06-09 14:52:13 +1000 | [diff] [blame] | 438 | if (vn_from_inode(filp->f_dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI) |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 439 | vma->vm_ops = &xfs_dmapi_file_vm_ops; |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 440 | #endif /* CONFIG_XFS_DMAPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | |
Nathan Scott | fbc1462 | 2006-06-09 14:52:13 +1000 | [diff] [blame] | 442 | file_accessed(filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | return 0; |
| 444 | } |
| 445 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | STATIC long |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 447 | xfs_file_ioctl( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | struct file *filp, |
| 449 | unsigned int cmd, |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 450 | unsigned long p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | { |
| 452 | int error; |
Nathan Scott | 1f6553f | 2006-03-14 13:30:48 +1100 | [diff] [blame] | 453 | struct inode *inode = filp->f_dentry->d_inode; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 454 | bhv_vnode_t *vp = vn_from_inode(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 456 | error = bhv_vop_ioctl(vp, inode, filp, 0, cmd, (void __user *)p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | VMODIFY(vp); |
| 458 | |
| 459 | /* NOTE: some of the ioctl's return positive #'s as a |
| 460 | * byte count indicating success, such as |
| 461 | * readlink_by_handle. So we don't "sign flip" |
| 462 | * like most other routines. This means true |
| 463 | * errors need to be returned as a negative value. |
| 464 | */ |
| 465 | return error; |
| 466 | } |
| 467 | |
| 468 | STATIC long |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 469 | xfs_file_ioctl_invis( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | struct file *filp, |
| 471 | unsigned int cmd, |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 472 | unsigned long p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | { |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 474 | int error; |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 475 | struct inode *inode = filp->f_dentry->d_inode; |
| 476 | bhv_vnode_t *vp = vn_from_inode(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 478 | error = bhv_vop_ioctl(vp, inode, filp, IO_INVIS, cmd, (void __user *)p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | VMODIFY(vp); |
| 480 | |
| 481 | /* NOTE: some of the ioctl's return positive #'s as a |
| 482 | * byte count indicating success, such as |
| 483 | * readlink_by_handle. So we don't "sign flip" |
| 484 | * like most other routines. This means true |
| 485 | * errors need to be returned as a negative value. |
| 486 | */ |
| 487 | return error; |
| 488 | } |
| 489 | |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 490 | #ifdef CONFIG_XFS_DMAPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | #ifdef HAVE_VMOP_MPROTECT |
| 492 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 493 | xfs_vm_mprotect( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | struct vm_area_struct *vma, |
| 495 | unsigned int newflags) |
| 496 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 497 | bhv_vnode_t *vp = vn_from_inode(vma->vm_file->f_dentry->d_inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | int error = 0; |
| 499 | |
| 500 | if (vp->v_vfsp->vfs_flag & VFS_DMI) { |
| 501 | if ((vma->vm_flags & VM_MAYSHARE) && |
| 502 | (newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) { |
| 503 | xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); |
| 504 | |
| 505 | error = XFS_SEND_MMAP(mp, vma, VM_WRITE); |
| 506 | } |
| 507 | } |
| 508 | return error; |
| 509 | } |
| 510 | #endif /* HAVE_VMOP_MPROTECT */ |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 511 | #endif /* CONFIG_XFS_DMAPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | |
| 513 | #ifdef HAVE_FOP_OPEN_EXEC |
| 514 | /* If the user is attempting to execute a file that is offline then |
| 515 | * we have to trigger a DMAPI READ event before the file is marked as busy |
| 516 | * otherwise the invisible I/O will not be able to write to the file to bring |
| 517 | * it back online. |
| 518 | */ |
| 519 | STATIC int |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 520 | xfs_file_open_exec( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | struct inode *inode) |
| 522 | { |
Nathan Scott | 67fcaa7 | 2006-06-09 17:00:52 +1000 | [diff] [blame] | 523 | bhv_vnode_t *vp = vn_from_inode(inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | |
Nathan Scott | 1d47bec | 2006-06-19 08:39:16 +1000 | [diff] [blame] | 525 | if (unlikely(vp->v_vfsp->vfs_flag & VFS_DMI)) { |
| 526 | xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp); |
| 527 | xfs_inode_t *ip = xfs_vtoi(vp); |
| 528 | |
| 529 | if (!ip) |
| 530 | return -EINVAL; |
| 531 | if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) |
| 532 | return -XFS_SEND_DATA(mp, DM_EVENT_READ, vp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | 0, 0, 0, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | } |
Nathan Scott | 1d47bec | 2006-06-19 08:39:16 +1000 | [diff] [blame] | 535 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | } |
| 537 | #endif /* HAVE_FOP_OPEN_EXEC */ |
| 538 | |
Arjan van de Ven | 4b6f5d2 | 2006-03-28 01:56:42 -0800 | [diff] [blame] | 539 | const struct file_operations xfs_file_operations = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | .llseek = generic_file_llseek, |
| 541 | .read = do_sync_read, |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 542 | .write = do_sync_write, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 543 | .readv = xfs_file_readv, |
| 544 | .writev = xfs_file_writev, |
| 545 | .aio_read = xfs_file_aio_read, |
| 546 | .aio_write = xfs_file_aio_write, |
| 547 | .sendfile = xfs_file_sendfile, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 548 | .splice_read = xfs_file_splice_read, |
| 549 | .splice_write = xfs_file_splice_write, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 550 | .unlocked_ioctl = xfs_file_ioctl, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | #ifdef CONFIG_COMPAT |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 552 | .compat_ioctl = xfs_file_compat_ioctl, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | #endif |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 554 | .mmap = xfs_file_mmap, |
| 555 | .open = xfs_file_open, |
Nathan Scott | 7d4fb40 | 2006-06-09 15:27:16 +1000 | [diff] [blame] | 556 | .flush = xfs_file_close, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 557 | .release = xfs_file_release, |
| 558 | .fsync = xfs_file_fsync, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | #ifdef HAVE_FOP_OPEN_EXEC |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 560 | .open_exec = xfs_file_open_exec, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | #endif |
| 562 | }; |
| 563 | |
Arjan van de Ven | 4b6f5d2 | 2006-03-28 01:56:42 -0800 | [diff] [blame] | 564 | const struct file_operations xfs_invis_file_operations = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | .llseek = generic_file_llseek, |
| 566 | .read = do_sync_read, |
Dean Roehrich | bb3f724 | 2005-09-02 15:43:05 +1000 | [diff] [blame] | 567 | .write = do_sync_write, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 568 | .readv = xfs_file_readv_invis, |
| 569 | .writev = xfs_file_writev_invis, |
| 570 | .aio_read = xfs_file_aio_read_invis, |
| 571 | .aio_write = xfs_file_aio_write_invis, |
Nathan Scott | 1b89584 | 2006-03-31 13:08:59 +1000 | [diff] [blame] | 572 | .sendfile = xfs_file_sendfile_invis, |
| 573 | .splice_read = xfs_file_splice_read_invis, |
| 574 | .splice_write = xfs_file_splice_write_invis, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 575 | .unlocked_ioctl = xfs_file_ioctl_invis, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | #ifdef CONFIG_COMPAT |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 577 | .compat_ioctl = xfs_file_compat_invis_ioctl, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | #endif |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 579 | .mmap = xfs_file_mmap, |
| 580 | .open = xfs_file_open, |
Nathan Scott | 7d4fb40 | 2006-06-09 15:27:16 +1000 | [diff] [blame] | 581 | .flush = xfs_file_close, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 582 | .release = xfs_file_release, |
| 583 | .fsync = xfs_file_fsync, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 584 | }; |
| 585 | |
| 586 | |
Arjan van de Ven | 4b6f5d2 | 2006-03-28 01:56:42 -0800 | [diff] [blame] | 587 | const struct file_operations xfs_dir_file_operations = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | .read = generic_read_dir, |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 589 | .readdir = xfs_file_readdir, |
| 590 | .unlocked_ioctl = xfs_file_ioctl, |
Nathan Scott | d387039 | 2005-05-06 06:44:46 -0700 | [diff] [blame] | 591 | #ifdef CONFIG_COMPAT |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 592 | .compat_ioctl = xfs_file_compat_ioctl, |
Nathan Scott | d387039 | 2005-05-06 06:44:46 -0700 | [diff] [blame] | 593 | #endif |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 594 | .fsync = xfs_file_fsync, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | }; |
| 596 | |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 597 | static struct vm_operations_struct xfs_file_vm_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | .nopage = filemap_nopage, |
| 599 | .populate = filemap_populate, |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 600 | }; |
| 601 | |
| 602 | #ifdef CONFIG_XFS_DMAPI |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 603 | static struct vm_operations_struct xfs_dmapi_file_vm_ops = { |
| 604 | .nopage = xfs_vm_nopage, |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 605 | .populate = filemap_populate, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | #ifdef HAVE_VMOP_MPROTECT |
Nathan Scott | 3562fd4 | 2006-03-14 14:00:35 +1100 | [diff] [blame] | 607 | .mprotect = xfs_vm_mprotect, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | #endif |
| 609 | }; |
Dean Roehrich | 6fac0cb | 2005-06-21 14:07:45 +1000 | [diff] [blame] | 610 | #endif /* CONFIG_XFS_DMAPI */ |