[PATCH 5.4 21/66] btrfs: print message when tree-log replay starts

[Greg Kroah-Hartman]

From: David Sterba <dsterba@xxxxxxxx>

commit e8294f2f6aa6208ed0923aa6d70cea3be178309a upstream.

There's no logged information about tree-log replay although this is
something that points to previous unclean unmount. Other filesystems
report that as well.

Suggested-by: Chris Murphy <lists@xxxxxxxxxxxxxxxxx>
CC: stable@xxxxxxxxxxxxxxx # 4.4+
Reviewed-by: Anand Jain <anand.jain@xxxxxxxxxx>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/btrfs/disk-io.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3167,6 +3167,7 @@ retry_root_backup:
 	/* do not make disk changes in broken FS or nologreplay is given */
 	if (btrfs_super_log_root(disk_super) != 0 &&
 	    !btrfs_test_opt(fs_info, NOLOGREPLAY)) {
+		btrfs_info(fs_info, "start tree-log replay");
 		ret = btrfs_replay_log(fs_info, fs_devices);
 		if (ret) {
 			err = ret;