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-thin.c | |
| parent | 528ec5abe6808c367b13f51945829eba24b1fc17 (diff) | |
| download | talos-obmc-linux-e6047149db702374f240dc18bab665479e25a8cc.tar.gz talos-obmc-linux-e6047149db702374f240dc18bab665479e25a8cc.zip | |
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-thin.c')
| -rw-r--r-- | drivers/md/dm-thin.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index e8661c25d3ea..1b684cbb9ba2 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -371,7 +371,7 @@ static void end_discard(struct discard_op *op, int r) * need to wait for the chain to complete. */ bio_chain(op->bio, op->parent_bio); - op->bio->bi_rw = REQ_WRITE | REQ_DISCARD; + bio_set_op_attrs(op->bio, REQ_OP_DISCARD, 0); submit_bio(op->bio); } @@ -705,7 +705,7 @@ static void inc_all_io_entry(struct pool *pool, struct bio *bio) { struct dm_thin_endio_hook *h; - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) return; h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); @@ -868,7 +868,8 @@ static void __inc_remap_and_issue_cell(void *context, struct bio *bio; while ((bio = bio_list_pop(&cell->bios))) { - if (bio->bi_rw & (REQ_DISCARD | REQ_FLUSH | REQ_FUA)) + if (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + bio_op(bio) == REQ_OP_DISCARD) bio_list_add(&info->defer_bios, bio); else { inc_all_io_entry(info->tc->pool, bio); @@ -1640,7 +1641,8 @@ static void __remap_and_issue_shared_cell(void *context, while ((bio = bio_list_pop(&cell->bios))) { if ((bio_data_dir(bio) == WRITE) || - (bio->bi_rw & (REQ_DISCARD | REQ_FLUSH | REQ_FUA))) + (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + bio_op(bio) == REQ_OP_DISCARD)) bio_list_add(&info->defer_bios, bio); else { struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));; @@ -2029,7 +2031,7 @@ static void process_thin_deferred_bios(struct thin_c *tc) break; } - if (bio->bi_rw & REQ_DISCARD) + if (bio_op(bio) == REQ_OP_DISCARD) pool->process_discard(tc, bio); else pool->process_bio(tc, bio); @@ -2116,7 +2118,7 @@ static void process_thin_deferred_cells(struct thin_c *tc) return; } - if (cell->holder->bi_rw & REQ_DISCARD) + if (bio_op(cell->holder) == REQ_OP_DISCARD) pool->process_discard_cell(tc, cell); else pool->process_cell(tc, cell); @@ -2554,7 +2556,8 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } - if (bio->bi_rw & (REQ_DISCARD | REQ_FLUSH | REQ_FUA)) { + if (bio->bi_rw & (REQ_FLUSH | REQ_FUA) || + bio_op(bio) == REQ_OP_DISCARD) { thin_defer_bio_with_throttle(tc, bio); return DM_MAPIO_SUBMITTED; } |
