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Date:	Sat,  8 Nov 2014 23:36:09 -0800
From:	Jaegeuk Kim <>
Cc:	Jaegeuk Kim <>
Subject: [PATCH 5/5] f2fs: do not skip any writes under memory pressure

Under memory pressure, let's avoid skipping data writes.

Signed-off-by: Jaegeuk Kim <>
 fs/f2fs/segment.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 6723ccc..7f327c0 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -711,6 +711,9 @@ static inline unsigned int max_hw_blocks(struct f2fs_sb_info *sbi)
 static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
+	if (sbi->sb->s_bdi->dirty_exceeded)
+		return 0;
 	if (type == DATA)
 		return sbi->blocks_per_seg;
 	else if (type == NODE)

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