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f2fs: add REQ_META about metadata requests for submit

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Adding REQ_META for all the metadata requests can help in improving the
FS performance, if the underlying device supports TAGGING.
So, when considering the submit_bio path for all the f2fs requests. We can
add REQ_META for all the META requests.
As a precursor to this change we considered the commit
4265900e0b 'mmc: MMC-4.5 Data Tag Support'

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Namjae Jeon 2013-04-25 11:45:21 +09:00 committed by Jaegeuk Kim
parent c718379b6b
commit 8680441caa
1 changed files with 3 additions and 0 deletions
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3
fs/f2fs/segment.c
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@ -688,6 +688,9 @@ static void do_submit_bio(struct f2fs_sb_info *sbi,
if (type >= META_FLUSH)
rw = WRITE_FLUSH_FUA;
if (btype == META)
rw |= REQ_META;
if (sbi->bio[btype]) {
struct bio_private *p = sbi->bio[btype]->bi_private;
p->sbi = sbi;