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authorJaegeuk Kim <jaegeuk@kernel.org>2014-11-06 17:23:08 -0800
committerJaegeuk Kim <jaegeuk@kernel.org>2014-11-10 06:51:38 -0800
commit510184c89f21f40634e1585790714be060cd49c5 (patch)
treed339f95ef6bceda4f6ee2fb1b6c16ac3c00ecee9 /fs/f2fs
parent2f97c326bf05ca2feeb95688da50c68671638b69 (diff)
downloadblackbird-op-linux-510184c89f21f40634e1585790714be060cd49c5.tar.gz
blackbird-op-linux-510184c89f21f40634e1585790714be060cd49c5.zip
f2fs: do not skip any writes under memory pressure
Under memory pressure, let's avoid skipping data writes. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 6723ccc17585..7f327c0ba4e3 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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