From 2002ae112a7415403896c66971532c2bb8d09ab7 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Fri, 12 Mar 2021 15:25:05 -0500 Subject: [PATCH] btrfs: handle btrfs_record_root_in_trans failure in btrfs_recover_log_trees btrfs_record_root_in_trans will return errors in the future, so handle the error properly in btrfs_recover_log_trees. This appears tricky, however we have a reference count on the destination root, so if this fails we need to continue on in the loop to make sure the proper cleanup is done. Reviewed-by: Qu Wenruo Signed-off-by: Josef Bacik Reviewed-by: David Sterba [ add comment ] Signed-off-by: David Sterba --- fs/btrfs/tree-log.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 72c4b66ed516..c1353b84ae54 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -6280,8 +6280,13 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree) } wc.replay_dest->log_root = log; - btrfs_record_root_in_trans(trans, wc.replay_dest); - ret = walk_log_tree(trans, log, &wc); + ret = btrfs_record_root_in_trans(trans, wc.replay_dest); + if (ret) + /* The loop needs to continue due to the root refs */ + btrfs_handle_fs_error(fs_info, ret, + "failed to record the log root in transaction"); + else + ret = walk_log_tree(trans, log, &wc); if (!ret && wc.stage == LOG_WALK_REPLAY_ALL) { ret = fixup_inode_link_counts(trans, wc.replay_dest,