2013-04-20 (토), 01:27 +0900, Namjae Jeon: > From: Namjae Jeon <[email protected]> > > 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 > 4265900e0be653f5b78baf2816857ef57cf1332f 'mmc: MMC-4.5 Data Tag Support' > > Signed-off-by: Namjae Jeon <[email protected]> > Signed-off-by: Amit Sahrawat <[email protected]> > --- > fs/f2fs/segment.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index 1193a26..a2e5de7 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -689,6 +689,9 @@ static void do_submit_bio(struct f2fs_sb_info *sbi, > if (type >= META_FLUSH) > rw = WRITE_FLUSH_FUA; > > + if (type == META)
Should be if (btype == META).
Thanks,
> + rw |= REQ_META;
> +
> if (sbi->bio[btype]) {
> struct bio_private *p = sbi->bio[btype]->bi_private;
> trace_f2fs_do_submit_bio(sbi->sb, btype, sync,
--
Jaegeuk Kim
Samsung
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