Commit 28818947 authored by Liu Bo's avatar Liu Bo Committed by Josef Bacik
Browse files

Btrfs: do not BUG_ON in prepare_to_reloc 



We can bail out from here gracefully instead of a cold BUG_ON.

Signed-off-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
parent e1a12670

fs/btrfs/relocation.c

+9 −1
Original line number Diff line number Diff line
@@ -3731,7 +3731,15 @@ int prepare_to_relocate(struct reloc_control *rc) 
	set_reloc_control(rc);



	trans = btrfs_join_transaction(rc->extent_root);

	BUG_ON(IS_ERR(trans));

	if (IS_ERR(trans)) {

		unset_reloc_control(rc);

		/*

		 * extent tree is not a ref_cow tree and has no reloc_root to

		 * cleanup.  And callers are responsible to free the above

		 * block rsv.

		 */

		return PTR_ERR(trans);

	}

	btrfs_commit_transaction(trans, rc->extent_root);

	return 0;

}