ceph: only check pool permissions for regular files

There is no need to do a ceph_pool_perm_check() on anything that isn't a regular file, as the MDS is what handles talking to the OSD in those cases. Just return 0 if it's not a regular file. Reported-by: Luis Henriques <[email protected]> Signed-off-by: Jeff Layton <[email protected]> Reviewed-by: Xiubo Li <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]>
wafgo · Apr 27, 2021 · e9b2250 · e9b2250
1 parent 3d8b698
commit e9b2250
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
@@ -1941,6 +1941,10 @@ int ceph_pool_perm_check(struct inode *inode, int need)
 	s64 pool;
 	int ret, flags;
 
+	/* Only need to do this for regular files */
+	if (!S_ISREG(inode->i_mode))
+		return 0;
+
 	if (ci->i_vino.snap != CEPH_NOSNAP) {
 		/*
 		 * Pool permission check needs to write to the first object.