From f75e2b79b5ba9dd3e0899840a329c3da02dc8937 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Wed, 16 Dec 2020 11:18:43 -0500 Subject: [PATCH] btrfs: allow error injection for btrfs_search_slot and btrfs_cow_block The following patches are going to address error handling in relocation, in order to test those patches I need to be able to inject errors in btrfs_search_slot and btrfs_cow_block, as we call both of these pretty often in different cases during relocation. Reviewed-by: Qu Wenruo Reviewed-by: Johannes Thumshirn Reviewed-by: Nikolay Borisov Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/ctree.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index cc89b63d65a4..56e132d825a2 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1494,6 +1494,7 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle *trans, return ret; } +ALLOW_ERROR_INJECTION(btrfs_cow_block, ERRNO); /* * helper function for defrag to decide if two blocks pointed to by a @@ -2821,6 +2822,7 @@ done: btrfs_release_path(p); return ret; } +ALLOW_ERROR_INJECTION(btrfs_search_slot, ERRNO); /* * Like btrfs_search_slot, this looks for a key in the given tree. It uses the -- 2.34.1