linux-kernel - [PATCH 2/3] f2fs: submit bio for node blocks in the reclaim path

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Message-Id: <1416436510-6251-2-git-send-email-jaegeuk@kernel.org>
Date:	Wed, 19 Nov 2014 14:35:09 -0800
From:	Jaegeuk Kim <jaegeuk@...nel.org>
To:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Cc:	Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 2/3] f2fs: submit bio for node blocks in the reclaim path

If a node page is request to be written during the reclaiming path, we should
submit the bio to avoid pending to recliam it.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/node.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 478ce1e..dbf49cc 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1326,6 +1326,10 @@ static int f2fs_write_node_page(struct page *page,
 	dec_page_count(sbi, F2FS_DIRTY_NODES);
 	up_read(&sbi->node_write);
 	unlock_page(page);
+
+	if (wbc->for_reclaim)
+		f2fs_submit_merged_bio(sbi, NODE, WRITE);
+
 	return 0;
 
 redirty_out:
-- 
2.1.1

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