ext4: Fix ext4_free_blocks() w/o a journal when files have indirect blocks

When trying to unlink a file with indirect blocks on a filesystem
without a journal, the "circular indirect block" sanity test was
getting falsely triggered.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 49484ba801c930c5100957b76cf01b012f0ba31b..b4386dafeb0c3ca9028b3c4ff1aaf0118e727a3f 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3622,7 +3622,7 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
                 * block pointed to itself, it would have been detached when
                 * the block was cleared. Check for this instead of OOPSing.
                 */
-               if (bh2jh(this_bh))
+               if ((EXT4_JOURNAL(inode) == NULL) || bh2jh(this_bh))
                        ext4_handle_dirty_metadata(handle, inode, this_bh);
                else
                        ext4_error(inode->i_sb, __func__,