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 | 018a01c | 2011-11-23 13:31:51 +0000 | [diff] [blame] | 41 | struct posix_acl *gfs2_get_acl(struct inode *inode, int type) |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 42 | { |
Steven Whitehouse | 018a01c | 2011-11-23 13:31:51 +0000 | [diff] [blame] | 43 | struct gfs2_inode *ip = GFS2_I(inode); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 44 | struct posix_acl *acl; |
| 45 | const char *name; |
| 46 | char *data; |
| 47 | int len; |
Steven Whitehouse | 40b78a3 | 2009-08-26 18:41:32 +0100 | [diff] [blame] | 48 | |
Steven Whitehouse | 3767ac2 | 2008-11-03 14:28:42 +0000 | [diff] [blame] | 49 | if (!ip->i_eattr) |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 50 | return NULL; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 51 | |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 52 | acl = get_cached_acl(&ip->i_inode, type); |
| 53 | if (acl != ACL_NOT_CACHED) |
| 54 | return acl; |
| 55 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 56 | name = gfs2_acl_name(type); |
| 57 | if (name == NULL) |
| 58 | return ERR_PTR(-EINVAL); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 59 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 60 | len = gfs2_xattr_acl_get(ip, name, &data); |
| 61 | if (len < 0) |
| 62 | return ERR_PTR(len); |
| 63 | if (len == 0) |
| 64 | return NULL; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 65 | |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 66 | acl = posix_acl_from_xattr(&init_user_ns, data, len); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 67 | kfree(data); |
| 68 | return acl; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 69 | } |
| 70 | |
Al Viro | d3fb612 | 2011-07-23 18:37:50 -0400 | [diff] [blame] | 71 | static int gfs2_set_mode(struct inode *inode, umode_t mode) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 72 | { |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 73 | int error = 0; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 74 | |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 75 | if (mode != inode->i_mode) { |
Steven Whitehouse | f9425ad | 2012-05-04 14:33:06 +0100 | [diff] [blame] | 76 | inode->i_mode = mode; |
| 77 | mark_inode_dirty(inode); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 78 | } |
| 79 | |
Steven Whitehouse | 69dca42 | 2009-09-29 12:40:19 +0100 | [diff] [blame] | 80 | return error; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 81 | } |
| 82 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 83 | 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] | 84 | { |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 85 | int error; |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 86 | int len; |
| 87 | char *data; |
| 88 | const char *name = gfs2_acl_name(type); |
| 89 | |
| 90 | BUG_ON(name == NULL); |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 91 | len = posix_acl_to_xattr(&init_user_ns, acl, NULL, 0); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 92 | if (len == 0) |
| 93 | return 0; |
| 94 | data = kmalloc(len, GFP_NOFS); |
| 95 | if (data == NULL) |
| 96 | return -ENOMEM; |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 97 | error = posix_acl_to_xattr(&init_user_ns, acl, data, len); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 98 | if (error < 0) |
| 99 | goto out; |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 100 | error = __gfs2_xattr_set(inode, name, data, len, 0, GFS2_EATYPE_SYS); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 101 | if (!error) |
| 102 | set_cached_acl(inode, type, acl); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 103 | out: |
| 104 | kfree(data); |
| 105 | return error; |
| 106 | } |
| 107 | |
| 108 | int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode) |
| 109 | { |
| 110 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
Al Viro | 826cae2 | 2011-07-23 03:10:32 -0400 | [diff] [blame] | 111 | struct posix_acl *acl; |
Al Viro | d3fb612 | 2011-07-23 18:37:50 -0400 | [diff] [blame] | 112 | umode_t mode = inode->i_mode; |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 113 | int error = 0; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 114 | |
| 115 | if (!sdp->sd_args.ar_posix_acl) |
| 116 | return 0; |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 117 | if (S_ISLNK(inode->i_mode)) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 118 | return 0; |
| 119 | |
Steven Whitehouse | 018a01c | 2011-11-23 13:31:51 +0000 | [diff] [blame] | 120 | acl = gfs2_get_acl(&dip->i_inode, ACL_TYPE_DEFAULT); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 121 | if (IS_ERR(acl)) |
| 122 | return PTR_ERR(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 123 | if (!acl) { |
Al Viro | ce3b0f8 | 2009-03-29 19:08:22 -0400 | [diff] [blame] | 124 | mode &= ~current_umask(); |
Steven Whitehouse | f9425ad | 2012-05-04 14:33:06 +0100 | [diff] [blame] | 125 | return gfs2_set_mode(inode, mode); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 126 | } |
| 127 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 128 | if (S_ISDIR(inode->i_mode)) { |
| 129 | error = gfs2_acl_set(inode, ACL_TYPE_DEFAULT, acl); |
| 130 | if (error) |
| 131 | goto out; |
| 132 | } |
| 133 | |
Al Viro | 826cae2 | 2011-07-23 03:10:32 -0400 | [diff] [blame] | 134 | error = posix_acl_create(&acl, GFP_NOFS, &mode); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 135 | if (error < 0) |
Al Viro | 826cae2 | 2011-07-23 03:10:32 -0400 | [diff] [blame] | 136 | return error; |
| 137 | |
Steven Whitehouse | 40b78a3 | 2009-08-26 18:41:32 +0100 | [diff] [blame] | 138 | if (error == 0) |
| 139 | goto munge; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 140 | |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 141 | error = gfs2_acl_set(inode, ACL_TYPE_ACCESS, acl); |
Steven Whitehouse | 40b78a3 | 2009-08-26 18:41:32 +0100 | [diff] [blame] | 142 | if (error) |
| 143 | goto out; |
| 144 | munge: |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 145 | error = gfs2_set_mode(inode, mode); |
Steven Whitehouse | a91ea69 | 2006-09-04 12:04:26 -0400 | [diff] [blame] | 146 | out: |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 147 | posix_acl_release(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 148 | return error; |
| 149 | } |
| 150 | |
| 151 | int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr) |
| 152 | { |
Steven Whitehouse | ab9bbda | 2011-08-15 14:20:36 +0100 | [diff] [blame] | 153 | struct inode *inode = &ip->i_inode; |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 154 | struct posix_acl *acl; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 155 | char *data; |
| 156 | unsigned int len; |
| 157 | int error; |
| 158 | |
Steven Whitehouse | 018a01c | 2011-11-23 13:31:51 +0000 | [diff] [blame] | 159 | acl = gfs2_get_acl(&ip->i_inode, ACL_TYPE_ACCESS); |
Steven Whitehouse | 479c427 | 2009-10-02 12:00:00 +0100 | [diff] [blame] | 160 | if (IS_ERR(acl)) |
| 161 | return PTR_ERR(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 162 | if (!acl) |
Steven Whitehouse | ab9bbda | 2011-08-15 14:20:36 +0100 | [diff] [blame] | 163 | return gfs2_setattr_simple(inode, attr); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 164 | |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 165 | error = posix_acl_chmod(&acl, GFP_NOFS, attr->ia_mode); |
| 166 | if (error) |
| 167 | return error; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 168 | |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 169 | len = posix_acl_to_xattr(&init_user_ns, acl, NULL, 0); |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 170 | data = kmalloc(len, GFP_NOFS); |
| 171 | error = -ENOMEM; |
| 172 | if (data == NULL) |
| 173 | goto out; |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 174 | posix_acl_to_xattr(&init_user_ns, acl, data, len); |
Al Viro | bc26ab5 | 2011-07-23 00:18:02 -0400 | [diff] [blame] | 175 | error = gfs2_xattr_acl_chmod(ip, attr, data); |
| 176 | kfree(data); |
| 177 | set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 178 | |
Steven Whitehouse | a91ea69 | 2006-09-04 12:04:26 -0400 | [diff] [blame] | 179 | out: |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 180 | posix_acl_release(acl); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 181 | return error; |
| 182 | } |
| 183 | |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 184 | static int gfs2_acl_type(const char *name) |
| 185 | { |
| 186 | if (strcmp(name, GFS2_POSIX_ACL_ACCESS) == 0) |
| 187 | return ACL_TYPE_ACCESS; |
| 188 | if (strcmp(name, GFS2_POSIX_ACL_DEFAULT) == 0) |
| 189 | return ACL_TYPE_DEFAULT; |
| 190 | return -EINVAL; |
| 191 | } |
| 192 | |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 193 | static int gfs2_xattr_system_get(struct dentry *dentry, const char *name, |
| 194 | void *buffer, size_t size, int xtype) |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 195 | { |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 196 | struct inode *inode = dentry->d_inode; |
Steven Whitehouse | f72f2d2 | 2010-05-21 16:12:27 +0100 | [diff] [blame] | 197 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 198 | struct posix_acl *acl; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 199 | int type; |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 200 | int error; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 201 | |
Steven Whitehouse | f72f2d2 | 2010-05-21 16:12:27 +0100 | [diff] [blame] | 202 | if (!sdp->sd_args.ar_posix_acl) |
| 203 | return -EOPNOTSUPP; |
| 204 | |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 205 | type = gfs2_acl_type(name); |
| 206 | if (type < 0) |
| 207 | return type; |
| 208 | |
Steven Whitehouse | 018a01c | 2011-11-23 13:31:51 +0000 | [diff] [blame] | 209 | acl = gfs2_get_acl(inode, type); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 210 | if (IS_ERR(acl)) |
| 211 | return PTR_ERR(acl); |
| 212 | if (acl == NULL) |
| 213 | return -ENODATA; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 214 | |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 215 | error = posix_acl_to_xattr(&init_user_ns, acl, buffer, size); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 216 | posix_acl_release(acl); |
| 217 | |
| 218 | return error; |
| 219 | } |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 220 | |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 221 | static int gfs2_xattr_system_set(struct dentry *dentry, const char *name, |
| 222 | const void *value, size_t size, int flags, |
| 223 | int xtype) |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 224 | { |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 225 | struct inode *inode = dentry->d_inode; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 226 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
| 227 | struct posix_acl *acl = NULL; |
| 228 | int error = 0, type; |
| 229 | |
| 230 | if (!sdp->sd_args.ar_posix_acl) |
| 231 | return -EOPNOTSUPP; |
| 232 | |
| 233 | type = gfs2_acl_type(name); |
| 234 | if (type < 0) |
| 235 | return type; |
| 236 | if (flags & XATTR_CREATE) |
| 237 | return -EINVAL; |
| 238 | if (type == ACL_TYPE_DEFAULT && !S_ISDIR(inode->i_mode)) |
| 239 | return value ? -EACCES : 0; |
Eric W. Biederman | 6b24c0d | 2013-01-31 21:56:13 -0800 | [diff] [blame^] | 240 | if (!uid_eq(current_fsuid(), inode->i_uid) && !capable(CAP_FOWNER)) |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 241 | return -EPERM; |
| 242 | if (S_ISLNK(inode->i_mode)) |
| 243 | return -EOPNOTSUPP; |
| 244 | |
| 245 | if (!value) |
| 246 | goto set_acl; |
| 247 | |
Eric W. Biederman | 5f3a4a2 | 2012-09-10 20:17:44 -0700 | [diff] [blame] | 248 | acl = posix_acl_from_xattr(&init_user_ns, value, size); |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 249 | if (!acl) { |
| 250 | /* |
| 251 | * acl_set_file(3) may request that we set default ACLs with |
| 252 | * zero length -- defend (gracefully) against that here. |
| 253 | */ |
| 254 | goto out; |
| 255 | } |
| 256 | if (IS_ERR(acl)) { |
| 257 | error = PTR_ERR(acl); |
| 258 | goto out; |
| 259 | } |
| 260 | |
| 261 | error = posix_acl_valid(acl); |
| 262 | if (error) |
| 263 | goto out_release; |
| 264 | |
| 265 | error = -EINVAL; |
| 266 | if (acl->a_count > GFS2_ACL_MAX_ENTRIES) |
| 267 | goto out_release; |
| 268 | |
| 269 | if (type == ACL_TYPE_ACCESS) { |
Al Viro | d695212 | 2011-07-23 18:56:36 -0400 | [diff] [blame] | 270 | umode_t mode = inode->i_mode; |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 271 | error = posix_acl_equiv_mode(acl, &mode); |
| 272 | |
| 273 | if (error <= 0) { |
| 274 | posix_acl_release(acl); |
| 275 | acl = NULL; |
| 276 | |
| 277 | if (error < 0) |
| 278 | return error; |
| 279 | } |
| 280 | |
| 281 | error = gfs2_set_mode(inode, mode); |
| 282 | if (error) |
| 283 | goto out_release; |
| 284 | } |
| 285 | |
| 286 | set_acl: |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 287 | error = __gfs2_xattr_set(inode, name, value, size, 0, GFS2_EATYPE_SYS); |
Steven Whitehouse | 106381b | 2009-09-29 16:26:23 +0100 | [diff] [blame] | 288 | if (!error) { |
| 289 | if (acl) |
| 290 | set_cached_acl(inode, type, acl); |
| 291 | else |
| 292 | forget_cached_acl(inode, type); |
| 293 | } |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 294 | out_release: |
| 295 | posix_acl_release(acl); |
| 296 | out: |
| 297 | return error; |
| 298 | } |
| 299 | |
Stephen Hemminger | b7bb0a1 | 2010-05-13 17:53:23 -0700 | [diff] [blame] | 300 | const struct xattr_handler gfs2_xattr_system_handler = { |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 301 | .prefix = XATTR_SYSTEM_PREFIX, |
Christoph Hellwig | 431547b | 2009-11-13 09:52:56 +0000 | [diff] [blame] | 302 | .flags = GFS2_EATYPE_SYS, |
Steven Whitehouse | 2646a1f | 2009-10-02 11:50:54 +0100 | [diff] [blame] | 303 | .get = gfs2_xattr_system_get, |
| 304 | .set = gfs2_xattr_system_set, |
| 305 | }; |
| 306 | |