diff options
| author | Mike Christie <mchristi@redhat.com> | 2016-06-05 14:32:04 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-07 13:41:38 -0600 |
| commit | e6047149db702374f240dc18bab665479e25a8cc (patch) | |
| tree | 4a07c091de4b1d1d506b911a5f94e6cd6b5b6ba4 /drivers/md/dm-cache-target.c | |
| parent | 528ec5abe6808c367b13f51945829eba24b1fc17 (diff) | |
| download | linux-e6047149db702374f240dc18bab665479e25a8cc.tar.bz2 | |
dm: use bio op accessors
Separate the op from the rq_flag_bits and have dm
set/get the bio using bio_set_op_attrs/bio_op.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/dm-cache-target.c')
| -rw-r--r-- | drivers/md/dm-cache-target.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index ee0510f9a85e..540e80eb317d 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -788,7 +788,8 @@ static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio) spin_lock_irqsave(&cache->lock, flags); if (cache->need_tick_bio && - !(bio->bi_rw & (REQ_FUA | REQ_FLUSH | REQ_DISCARD))) { + !(bio->bi_rw & (REQ_FUA | REQ_FLUSH)) && + bio_op(bio) != REQ_OP_DISCARD) { pb->tick = true; cache->need_tick_bio = false; } @@ -851,7 +852,7 @@ static void inc_ds(struct cache *cache, struct bio *bio, static bool accountable_bio(struct cache *cache, struct bio *bio) { return ((bio->bi_bdev == cache->origin_dev->bdev) && - !(bio->bi_rw & REQ_DISCARD)); + bio_op(bio) != REQ_OP_DISCARD); } static void accounted_begin(struct cache *cache, struct bio *bio) @@ -1067,7 +1068,8 @@ static void dec_io_migrations(struct cache *cache) static bool discard_or_flush(struct bio *bio) { - return bio->bi_rw & (REQ_FLUSH | REQ_FUA | REQ_DISCARD); + return bio_op(bio) == REQ_OP_DISCARD || + bio->bi_rw & (REQ_FLUSH | REQ_FUA); } static void __cell_defer(struct cache *cache, struct dm_bio_prison_cell *cell) @@ -1980,7 +1982,7 @@ static void process_deferred_bios(struct cache *cache) if (bio->bi_rw & REQ_FLUSH) process_flush_bio(cache, bio); - else if (bio->bi_rw & REQ_DISCARD) + else if (bio_op(bio) == REQ_OP_DISCARD) process_discard_bio(cache, &structs, bio); else process_bio(cache, &structs, bio); |