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>
This commit is contained in:
Yan
2008-01-14 13:26:08 -05:00
committed by Chris Mason
parent b3a0d8d28c
commit 744f52f997
3 changed files with 51 additions and 41 deletions

View File

@ -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);