linux-kernel - [PATCH 11/12] writeback: make sync_inodes

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Message-Id: <1506543239-31470-12-git-send-email-axboe@kernel.dk>
Date:   Wed, 27 Sep 2017 14:13:58 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Cc:     hannes@...xchg.org, jack@...e.cz, torvalds@...ux-foundation.org,
        Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 11/12] writeback: make sync_inodes_sb() use range cyclic writeback

It's flushing all the dirty pages for this superblock, there's
no point in not doing range cyclic writeback.

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 fs/fs-writeback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 2e46a1537e10..686d510e618c 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -2428,7 +2428,7 @@ void sync_inodes_sb(struct super_block *sb)
 		.sb		= sb,
 		.sync_mode	= WB_SYNC_ALL,
 		.nr_pages	= LONG_MAX,
-		.range_cyclic	= 0,
+		.range_cyclic	= 1,
 		.done		= &done,
 		.reason		= WB_REASON_SYNC,
 		.for_sync	= 1,
-- 
2.7.4