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authorChristoph Hellwig <hch@lst.de>2016-11-01 07:40:05 -0600
committerJens Axboe <axboe@fb.com>2016-11-01 09:43:26 -0600
commit83b5df67c50995ed93b2b7adac3f002ad8bb6069 (patch)
tree1a4d54bf32b13f1235e45117e45299e6e8380a83 /drivers/md/bcache
parent03ea4afa67566a3c4e83c0fde8bf0c48f16ac1a3 (diff)
downloadlinux-83b5df67c50995ed93b2b7adac3f002ad8bb6069.tar.gz
bcache: use op_is_sync to check for synchronous requests
(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>
Diffstat (limited to 'drivers/md/bcache')
-rw-r--r--drivers/md/bcache/request.c4
-rw-r--r--drivers/md/bcache/writeback.h3
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 40ffe5e424b3..e8a2b693c928 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -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);
diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h
index 301eaf565167..629bd1a502fd 100644
--- a/drivers/md/bcache/writeback.h
+++ b/drivers/md/bcache/writeback.h
@@ -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)