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| author | Yan <yanzheng@21cn.com> | 2008-01-14 21:26:08 +0300 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 19:03:59 +0400 |
| commit | 744f52f997b21de2a01931f79cf6c198bf688120 (patch) | |
| tree | 903f0d91560b139bc7167f424e34664ddb7c0b72 /fs/btrfs/xattr.c | |
| parent | b3a0d8d28c607cb2531a68742afc2b967b1f6083 (diff) | |
| download | linux-744f52f997b21de2a01931f79cf6c198bf688120.tar.xz | |
Btrfs: Implement ACLs setting and getting
ACLs are stored but not used for permission checks (yet)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/xattr.c')
| -rw-r--r-- | fs/btrfs/xattr.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index 33caaf5b4b0c..85ac42605f8d 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -141,11 +141,6 @@ ssize_t btrfs_xattr_get(struct inode *inode, int name_index, if (!handler) return -EOPNOTSUPP; - - /* just in case... */ - if (*attr_name == '\0') - return -EINVAL; - name = get_name(attr_name, name_index); if (!name) return -ENOMEM; @@ -201,14 +196,8 @@ int btrfs_xattr_set(struct inode *inode, int name_index, struct xattr_handler *handler = btrfs_xattr_handler(name_index); char *name; int ret = 0, mod = 0; - if (!handler) return -EOPNOTSUPP; - - /* just in case... */ - if (*attr_name == '\0') - return -EINVAL; - name = get_name(attr_name, name_index); if (!name) return -ENOMEM; @@ -454,15 +443,18 @@ static int btrfs_xattr_##name##_get(struct inode *inode, \ const char *name, void *value, \ size_t size) \ { \ + if (*name == '\0') \ + return -EINVAL; \ return btrfs_xattr_get(inode, index, name, value, size); \ } \ static int btrfs_xattr_##name##_set(struct inode *inode, \ const char *name, const void *value,\ size_t size, int flags) \ { \ + if (*name == '\0') \ + return -EINVAL; \ return btrfs_xattr_set(inode, index, name, value, size, flags); \ } \ - BTRFS_XATTR_SETGET_FUNCS(security, BTRFS_XATTR_INDEX_SECURITY); BTRFS_XATTR_SETGET_FUNCS(system, BTRFS_XATTR_INDEX_SYSTEM); BTRFS_XATTR_SETGET_FUNCS(user, BTRFS_XATTR_INDEX_USER); |