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bcache: use op_is_sync to check for synchronous requests

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(and remove one layer of masking for the op_is_write call next to it).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2016-11-01 07:40:05 -06:00 committed by Jens Axboe
parent 03ea4afa67
commit 83b5df67c5
2 changed files with 3 additions and 4 deletions
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4
drivers/md/bcache/request.c
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@ -404,8 +404,8 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio)
if (!congested &&
mode == CACHE_MODE_WRITEBACK &&
op_is_write(bio_op(bio)) &&
(bio->bi_opf & REQ_SYNC))
op_is_write(bio->bi_opf) &&
op_is_sync(bio->bi_opf))
goto rescale;
spin_lock(&dc->io_lock);

3
drivers/md/bcache/writeback.h
View file

@ -57,8 +57,7 @@ static inline bool should_writeback(struct cached_dev *dc, struct bio *bio,
if (would_skip)
return false;
return bio->bi_opf & REQ_SYNC ||
in_use <= CUTOFF_WRITEBACK;
return op_is_sync(bio->bi_opf) || in_use <= CUTOFF_WRITEBACK;
}
static inline void bch_writeback_queue(struct cached_dev *dc)