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| author | Tiger Yang <tiger.yang@oracle.com> | 2008-11-14 04:17:29 +0100 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2009-01-05 17:34:20 +0100 |
| commit | 060bc66dd5017460076d9e808e2198cd532c943d (patch) | |
| tree | 11b4919c11c6529b783ae553a27a722e22b522b6 /fs/ocfs2/acl.c | |
| parent | ocfs2: add ocfs2_check_acl (diff) | |
| download | linux-060bc66dd5017460076d9e808e2198cd532c943d.tar.xz linux-060bc66dd5017460076d9e808e2198cd532c943d.zip | |
ocfs2: add ocfs2_acl_chmod
This function is used to update acl xattrs during file mode changes.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/acl.c')
| -rw-r--r-- | fs/ocfs2/acl.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index a6a2bf6d6845..df72256c4422 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -245,6 +245,33 @@ int ocfs2_check_acl(struct inode *inode, int mask) return -EAGAIN; } +int ocfs2_acl_chmod(struct inode *inode) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl, *clone; + int ret; + + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS); + if (IS_ERR(acl) || !acl) + return PTR_ERR(acl); + clone = posix_acl_clone(acl, GFP_KERNEL); + posix_acl_release(acl); + if (!clone) + return -ENOMEM; + ret = posix_acl_chmod_masq(clone, inode->i_mode); + if (!ret) + ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS, + clone, NULL, NULL); + posix_acl_release(clone); + return ret; +} + static size_t ocfs2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, |