David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
Steven Whitehouse | 3a8a9a1 | 2006-05-18 15:09:15 -0400 | [diff] [blame] | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 4 | * |
| 5 | * This copyrighted material is made available to anyone wishing to use, |
| 6 | * modify, copy, or redistribute it subject to the terms and conditions |
Steven Whitehouse | e9fc2aa | 2006-09-01 11:05:15 -0400 | [diff] [blame] | 7 | * of the GNU General Public License version 2. |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <linux/sched.h> |
| 11 | #include <linux/slab.h> |
| 12 | #include <linux/spinlock.h> |
| 13 | #include <linux/completion.h> |
| 14 | #include <linux/buffer_head.h> |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 15 | #include <linux/xattr.h> |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 16 | #include <linux/posix_acl.h> |
| 17 | #include <linux/posix_acl_xattr.h> |
Steven Whitehouse | 5c676f6 | 2006-02-27 17:23:27 -0500 | [diff] [blame] | 18 | #include <linux/gfs2_ondisk.h> |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 19 | |
| 20 | #include "gfs2.h" |
Steven Whitehouse | 5c676f6 | 2006-02-27 17:23:27 -0500 | [diff] [blame] | 21 | #include "incore.h" |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 22 | #include "acl.h" |
Steven Whitehouse | 307cf6e | 2009-08-26 18:51:04 +0100 | [diff] [blame] | 23 | #include "xattr.h" |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 24 | #include "glock.h" |
| 25 | #include "inode.h" |
| 26 | #include "meta_io.h" |
| 27 | #include "trans.h" |
Steven Whitehouse | 5c676f6 | 2006-02-27 17:23:27 -0500 | [diff] [blame] | 28 | #include "util.h" |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 29 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 30 | static const char *gfs2_acl_name(int type) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 31 | { |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 32 | switch (type) { |
| 33 | case ACL_TYPE_ACCESS: |
| 34 | return GFS2_POSIX_ACL_ACCESS; |
| 35 | case ACL_TYPE_DEFAULT: |
| 36 | return GFS2_POSIX_ACL_DEFAULT; |
| 37 | } |
| 38 | return NULL; |
| 39 | } |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 40 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 41 | static struct posix_acl *gfs2_acl_get(struct gfs2_inode *ip, int type) |
| 42 | { |
| 43 | struct posix_acl *acl; |
| 44 | const char *name; |
| 45 | char *data; |
| 46 | int len; |
Steven Whitehouse | 40b78a3 | 2009-08-26 18:41:32 +0100 | [diff] [blame] | 47 | |
Steven Whitehouse | 3767ac2 | 2008-11-03 14:28:42 +0000 | [diff] [blame] | 48 | if (!ip->i_eattr) |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 49 | return NULL; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 50 | |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 51 | acl = get_cached_acl(&ip->i_inode, type); |
| 52 | if (acl != ACL_NOT_CACHED) |
| 53 | return acl; |
| 54 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 55 | name = gfs2_acl_name(type); |
| 56 | if (name == NULL) |
| 57 | return ERR_PTR(-EINVAL); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 58 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 59 | len = gfs2_xattr_acl_get(ip, name, &data); |
| 60 | if (len < 0) |
| 61 | return ERR_PTR(len); |
| 62 | if (len == 0) |
| 63 | return NULL; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 64 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 65 | acl = posix_acl_from_xattr(data, len); |
| 66 | kfree(data); |
| 67 | return acl; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | /** |
Steven Whitehouse | 77386e1 | 2006-11-29 10:41:49 -0500 | [diff] [blame] | 71 | * gfs2_check_acl - Check an ACL to see if we're allowed to do something |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 72 | * @inode: the file we want to do something to |
| 73 | * @mask: what we want to do |
| 74 | * |
| 75 | * Returns: errno |
| 76 | */ |
| 77 | |
Al Viro | 7e40145 | 2011-06-20 19:12:17 -0400 | [diff] [blame] | 78 | int gfs2_check_acl(struct inode *inode, int mask) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 79 | { |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 80 | struct posix_acl *acl; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 81 | int error; |
| 82 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 83 | acl = gfs2_acl_get(GFS2_I(inode), ACL_TYPE_ACCESS); |
| 84 | if (IS_ERR(acl)) |
| 85 | return PTR_ERR(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 86 | |
| 87 | if (acl) { |
| 88 | error = posix_acl_permission(inode, acl, mask); |
| 89 | posix_acl_release(acl); |
| 90 | return error; |
| 91 | } |
| 92 | |
| 93 | return -EAGAIN; |
| 94 | } |
| 95 | |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 96 | static int gfs2_set_mode(struct inode *inode, mode_t mode) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 97 | { |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 98 | int error = 0; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 99 | |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 100 | if (mode != inode->i_mode) { |
| 101 | struct iattr iattr; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 102 | |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 103 | iattr.ia_valid = ATTR_MODE; |
| 104 | iattr.ia_mode = mode; |
| 105 | |
| 106 | error = gfs2_setattr_simple(GFS2_I(inode), &iattr); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 107 | } |
| 108 | |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 109 | return error; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 110 | } |
| 111 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 112 | static int gfs2_acl_set(struct inode *inode, int type, struct posix_acl *acl) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 113 | { |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 114 | int error; |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 115 | int len; |
| 116 | char *data; |
| 117 | const char *name = gfs2_acl_name(type); |
| 118 | |
| 119 | BUG_ON(name == NULL); |
| 120 | len = posix_acl_to_xattr(acl, NULL, 0); |
| 121 | if (len == 0) |
| 122 | return 0; |
| 123 | data = kmalloc(len, GFP_NOFS); |
| 124 | if (data == NULL) |
| 125 | return -ENOMEM; |
| 126 | error = posix_acl_to_xattr(acl, data, len); |
| 127 | if (error < 0) |
| 128 | goto out; |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 129 | error = __gfs2_xattr_set(inode, name, data, len, 0, GFS2_EATYPE_SYS); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 130 | if (!error) |
| 131 | set_cached_acl(inode, type, acl); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 132 | out: |
| 133 | kfree(data); |
| 134 | return error; |
| 135 | } |
| 136 | |
| 137 | int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode) |
| 138 | { |
| 139 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
Al Viro | 826cae2 | 2011-07-23 03:10:32 -0400 | [diff] [blame^] | 140 | struct posix_acl *acl; |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 141 | mode_t mode = inode->i_mode; |
| 142 | int error = 0; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 143 | |
| 144 | if (!sdp->sd_args.ar_posix_acl) |
| 145 | return 0; |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 146 | if (S_ISLNK(inode->i_mode)) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 147 | return 0; |
| 148 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 149 | acl = gfs2_acl_get(dip, ACL_TYPE_DEFAULT); |
| 150 | if (IS_ERR(acl)) |
| 151 | return PTR_ERR(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 152 | if (!acl) { |
Al Viro | ce3b0f8 | 2009-03-29 19:08:22 -0400 | [diff] [blame] | 153 | mode &= ~current_umask(); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 154 | if (mode != inode->i_mode) |
| 155 | error = gfs2_set_mode(inode, mode); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 156 | return error; |
| 157 | } |
| 158 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 159 | if (S_ISDIR(inode->i_mode)) { |
| 160 | error = gfs2_acl_set(inode, ACL_TYPE_DEFAULT, acl); |
| 161 | if (error) |
| 162 | goto out; |
| 163 | } |
| 164 | |
Al Viro | 826cae2 | 2011-07-23 03:10:32 -0400 | [diff] [blame^] | 165 | error = posix_acl_create(&acl, GFP_NOFS, &mode); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 166 | if (error < 0) |
Al Viro | 826cae2 | 2011-07-23 03:10:32 -0400 | [diff] [blame^] | 167 | return error; |
| 168 | |
Steven Whitehouse | 40b78a3 | 2009-08-26 18:41:32 +0100 | [diff] [blame] | 169 | if (error == 0) |
| 170 | goto munge; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 171 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 172 | error = gfs2_acl_set(inode, ACL_TYPE_ACCESS, acl); |
Steven Whitehouse | 40b78a3 | 2009-08-26 18:41:32 +0100 | [diff] [blame] | 173 | if (error) |
| 174 | goto out; |
| 175 | munge: |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 176 | error = gfs2_set_mode(inode, mode); |
Steven Whitehouse | a91ea69 | 2006-09-04 12:04:26 -0400 | [diff] [blame] | 177 | out: |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 178 | posix_acl_release(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 179 | return error; |
| 180 | } |
| 181 | |
| 182 | int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr) |
| 183 | { |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 184 | struct posix_acl *acl; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 185 | char *data; |
| 186 | unsigned int len; |
| 187 | int error; |
| 188 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 189 | acl = gfs2_acl_get(ip, ACL_TYPE_ACCESS); |
| 190 | if (IS_ERR(acl)) |
| 191 | return PTR_ERR(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 192 | if (!acl) |
| 193 | return gfs2_setattr_simple(ip, attr); |
| 194 | |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 195 | error = posix_acl_chmod(&acl, GFP_NOFS, attr->ia_mode); |
| 196 | if (error) |
| 197 | return error; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 198 | |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 199 | len = posix_acl_to_xattr(acl, NULL, 0); |
| 200 | data = kmalloc(len, GFP_NOFS); |
| 201 | error = -ENOMEM; |
| 202 | if (data == NULL) |
| 203 | goto out; |
| 204 | posix_acl_to_xattr(acl, data, len); |
| 205 | error = gfs2_xattr_acl_chmod(ip, attr, data); |
| 206 | kfree(data); |
| 207 | set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 208 | |
Steven Whitehouse | a91ea69 | 2006-09-04 12:04:26 -0400 | [diff] [blame] | 209 | out: |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 210 | posix_acl_release(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 211 | return error; |
| 212 | } |
| 213 | |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 214 | static int gfs2_acl_type(const char *name) |
| 215 | { |
| 216 | if (strcmp(name, GFS2_POSIX_ACL_ACCESS) == 0) |
| 217 | return ACL_TYPE_ACCESS; |
| 218 | if (strcmp(name, GFS2_POSIX_ACL_DEFAULT) == 0) |
| 219 | return ACL_TYPE_DEFAULT; |
| 220 | return -EINVAL; |
| 221 | } |
| 222 | |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 223 | static int gfs2_xattr_system_get(struct dentry *dentry, const char *name, |
| 224 | void *buffer, size_t size, int xtype) |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 225 | { |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 226 | struct inode *inode = dentry->d_inode; |
Steven Whitehouse | f72f2d2 | 2010-05-21 16:12:27 +0100 | [diff] [blame] | 227 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 228 | struct posix_acl *acl; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 229 | int type; |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 230 | int error; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 231 | |
Steven Whitehouse | f72f2d2 | 2010-05-21 16:12:27 +0100 | [diff] [blame] | 232 | if (!sdp->sd_args.ar_posix_acl) |
| 233 | return -EOPNOTSUPP; |
| 234 | |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 235 | type = gfs2_acl_type(name); |
| 236 | if (type < 0) |
| 237 | return type; |
| 238 | |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 239 | acl = gfs2_acl_get(GFS2_I(inode), type); |
| 240 | if (IS_ERR(acl)) |
| 241 | return PTR_ERR(acl); |
| 242 | if (acl == NULL) |
| 243 | return -ENODATA; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 244 | |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 245 | error = posix_acl_to_xattr(acl, buffer, size); |
| 246 | posix_acl_release(acl); |
| 247 | |
| 248 | return error; |
| 249 | } |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 250 | |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 251 | static int gfs2_xattr_system_set(struct dentry *dentry, const char *name, |
| 252 | const void *value, size_t size, int flags, |
| 253 | int xtype) |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 254 | { |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 255 | struct inode *inode = dentry->d_inode; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 256 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
| 257 | struct posix_acl *acl = NULL; |
| 258 | int error = 0, type; |
| 259 | |
| 260 | if (!sdp->sd_args.ar_posix_acl) |
| 261 | return -EOPNOTSUPP; |
| 262 | |
| 263 | type = gfs2_acl_type(name); |
| 264 | if (type < 0) |
| 265 | return type; |
| 266 | if (flags & XATTR_CREATE) |
| 267 | return -EINVAL; |
| 268 | if (type == ACL_TYPE_DEFAULT && !S_ISDIR(inode->i_mode)) |
| 269 | return value ? -EACCES : 0; |
| 270 | if ((current_fsuid() != inode->i_uid) && !capable(CAP_FOWNER)) |
| 271 | return -EPERM; |
| 272 | if (S_ISLNK(inode->i_mode)) |
| 273 | return -EOPNOTSUPP; |
| 274 | |
| 275 | if (!value) |
| 276 | goto set_acl; |
| 277 | |
| 278 | acl = posix_acl_from_xattr(value, size); |
| 279 | if (!acl) { |
| 280 | /* |
| 281 | * acl_set_file(3) may request that we set default ACLs with |
| 282 | * zero length -- defend (gracefully) against that here. |
| 283 | */ |
| 284 | goto out; |
| 285 | } |
| 286 | if (IS_ERR(acl)) { |
| 287 | error = PTR_ERR(acl); |
| 288 | goto out; |
| 289 | } |
| 290 | |
| 291 | error = posix_acl_valid(acl); |
| 292 | if (error) |
| 293 | goto out_release; |
| 294 | |
| 295 | error = -EINVAL; |
| 296 | if (acl->a_count > GFS2_ACL_MAX_ENTRIES) |
| 297 | goto out_release; |
| 298 | |
| 299 | if (type == ACL_TYPE_ACCESS) { |
| 300 | mode_t mode = inode->i_mode; |
| 301 | error = posix_acl_equiv_mode(acl, &mode); |
| 302 | |
| 303 | if (error <= 0) { |
| 304 | posix_acl_release(acl); |
| 305 | acl = NULL; |
| 306 | |
| 307 | if (error < 0) |
| 308 | return error; |
| 309 | } |
| 310 | |
| 311 | error = gfs2_set_mode(inode, mode); |
| 312 | if (error) |
| 313 | goto out_release; |
| 314 | } |
| 315 | |
| 316 | set_acl: |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 317 | error = __gfs2_xattr_set(inode, name, value, size, 0, GFS2_EATYPE_SYS); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 318 | if (!error) { |
| 319 | if (acl) |
| 320 | set_cached_acl(inode, type, acl); |
| 321 | else |
| 322 | forget_cached_acl(inode, type); |
| 323 | } |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 324 | out_release: |
| 325 | posix_acl_release(acl); |
| 326 | out: |
| 327 | return error; |
| 328 | } |
| 329 | |
Stephen Hemminger | b7bb0a1 | 2010-05-13 17:53:23 -0700 | [diff] [blame] | 330 | const struct xattr_handler gfs2_xattr_system_handler = { |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 331 | .prefix = XATTR_SYSTEM_PREFIX, |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 332 | .flags = GFS2_EATYPE_SYS, |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 333 | .get = gfs2_xattr_system_get, |
| 334 | .set = gfs2_xattr_system_set, |
| 335 | }; |
| 336 | |