fs: take the ACL checks to common code
Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss. This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index 480200e..783c58d 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -290,7 +290,7 @@
return ret;
}
-int ocfs2_check_acl(struct inode *inode, int mask)
+struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type)
{
struct ocfs2_super *osb;
struct buffer_head *di_bh = NULL;
@@ -299,29 +299,17 @@
osb = OCFS2_SB(inode->i_sb);
if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
- return ret;
+ return NULL;
ret = ocfs2_read_inode_block(inode, &di_bh);
- if (ret < 0) {
- mlog_errno(ret);
- return ret;
- }
+ if (ret < 0)
+ return ERR_PTR(ret);
- acl = ocfs2_get_acl_nolock(inode, ACL_TYPE_ACCESS, di_bh);
+ acl = ocfs2_get_acl_nolock(inode, type, di_bh);
brelse(di_bh);
- if (IS_ERR(acl)) {
- mlog_errno(PTR_ERR(acl));
- return PTR_ERR(acl);
- }
- if (acl) {
- ret = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return ret;
- }
-
- return -EAGAIN;
+ return acl;
}
int ocfs2_acl_chmod(struct inode *inode)