[PATCH 2/3] f2fs: avoid writing node/metapages during writes

From: Jaegeuk Kim
Date: Fri Jun 17 2016 - 21:03:59 EST


Let's keep more node/meta pages in run time.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/segment.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index d74cc33..57d450f 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -715,9 +715,9 @@ static inline int nr_pages_to_skip(struct f2fs_sb_info *sbi, int type)
if (type == DATA)
return sbi->blocks_per_seg;
else if (type == NODE)
- return 3 * sbi->blocks_per_seg;
+ return 8 * sbi->blocks_per_seg;
else if (type == META)
- return MAX_BIO_BLOCKS(sbi);
+ return 8 * MAX_BIO_BLOCKS(sbi);
else
return 0;
}
@@ -736,7 +736,7 @@ static inline long nr_pages_to_write(struct f2fs_sb_info *sbi, int type,
nr_to_write = wbc->nr_to_write;

if (type == NODE)
- desired = 3 * max_hw_blocks(sbi);
+ desired = 2 * max_hw_blocks(sbi);
else
desired = MAX_BIO_BLOCKS(sbi);

--
2.8.3