reiserfs: cache negative ACLs for v1 stat format

Always set up a negative ACL cache entry if the inode can't have ACLs.
That behaves much better than doing this check inside ->check_acl.

Also remove the left over MAY_NOT_BLOCK check.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/reiserfs/inode.c

@@ -1475,6 +1475,11 @@ void reiserfs_read_locked_inode(struct inode *inode,
 
 	reiserfs_check_path(&path_to_sd);	/* init inode should be relsing */
 
+	/*
+	 * Stat data v1 doesn't support ACLs.
+	 */
+	if (get_inode_sd_version(inode) == STAT_DATA_V1)
+		cache_no_acl(inode);
 }
 
 /**

fs/reiserfs/xattr.c

@@ -872,15 +872,6 @@ int reiserfs_check_acl(struct inode *inode, int mask)
 	struct posix_acl *acl;
 	int error = -EAGAIN; /* do regular unix permission checks by default */
 
-	/*
-	 * Stat data v1 doesn't support ACLs.
-	 */
-	if (get_inode_sd_version(inode) == STAT_DATA_V1)
-		return -EAGAIN;
-
-	if (mask & MAY_NOT_BLOCK)
-		return -ECHILD;
-
 	acl = reiserfs_get_acl(inode, ACL_TYPE_ACCESS);
 
 	if (acl) {