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| author | Tiger Yang <tiger.yang@oracle.com> | 2008-11-14 11:17:18 +0800 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2009-01-05 08:34:20 -0800 |
| commit | 23fc2702bea686569281708ad519b41a11d0a2f4 (patch) | |
| tree | a567f38647047836332d1cfc17d7ad0be05c55ef /fs/ocfs2/acl.c | |
| parent | 929fb014e041c6572c5e8c3686f1e32742b5b953 (diff) | |
| download | linux-stable-23fc2702bea686569281708ad519b41a11d0a2f4.tar.gz linux-stable-23fc2702bea686569281708ad519b41a11d0a2f4.tar.bz2 linux-stable-23fc2702bea686569281708ad519b41a11d0a2f4.zip | |
ocfs2: add ocfs2_check_acl
This function is used to enhance permission checking with POSIX ACLs.
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 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 62d0faad600b..a6a2bf6d6845 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -230,6 +230,21 @@ static int ocfs2_set_acl(handle_t *handle, return ret; } +int ocfs2_check_acl(struct inode *inode, int mask) +{ + struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS); + + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl) { + int ret = posix_acl_permission(inode, acl, mask); + posix_acl_release(acl); + return ret; + } + + return -EAGAIN; +} + static size_t ocfs2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, |