linux-kernel - [PATCH 4.19 18/38] btrfs: print message when tree-log replay starts

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Message-Id: <20200218190420.788165830@linuxfoundation.org>
Date:   Tue, 18 Feb 2020 20:55:04 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chris Murphy <lists@...orremedies.com>,
        Anand Jain <anand.jain@...cle.com>,
        Johannes Thumshirn <johannes.thumshirn@....com>,
        David Sterba <dsterba@...e.com>
Subject: [PATCH 4.19 18/38] btrfs: print message when tree-log replay starts

From: David Sterba <dsterba@...e.com>

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@...orremedies.com>
CC: stable@...r.kernel.org # 4.4+
Reviewed-by: Anand Jain <anand.jain@...cle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@....com>
Signed-off-by: David Sterba <dsterba@...e.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3117,6 +3117,7 @@ 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;