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Message-Id: <20190124190156.627559199@linuxfoundation.org>
Date:   Thu, 24 Jan 2019 20:19:05 +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, Jaegeuk Kim <jaegeuk@...nel.org>,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>
Subject: [PATCH 4.4 016/104] f2fs: put directory inodes before checkpoint in roll-forward recovery

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jaegeuk Kim <jaegeuk@...nel.org>

commit 9e1e6df412a28cdbbd2909de5c6189eda4a3383d upstream.

Before checkpoint, we'd be better drop any inodes.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Ben Hutchings <ben.hutchings@...ethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/f2fs/recovery.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -597,6 +597,9 @@ out:
 		set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG);
 	mutex_unlock(&sbi->cp_mutex);
 
+	/* let's drop all the directory inodes for clean checkpoint */
+	destroy_fsync_dnodes(&dir_list);
+
 	if (!err && need_writecp) {
 		struct cp_control cpc = {
 			.reason = CP_RECOVERY,
@@ -604,7 +607,6 @@ out:
 		write_checkpoint(sbi, &cpc);
 	}
 
-	destroy_fsync_dnodes(&dir_list);
 	kmem_cache_destroy(fsync_entry_slab);
 	return ret ? ret: err;
 }


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