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| author | Mike Christie <mchristi@redhat.com> | 2016-06-05 14:31:49 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-07 13:41:38 -0600 |
| commit | 469e3216e20a3946a292ff0414ab86de408d465e (patch) | |
| tree | 63f09d57645da3ea07ff1634d4f2810fe12f3f89 | |
| parent | 95fe6c1a209ef89d9f94dd04a0ad72be1487d5d5 (diff) | |
| download | op-kernel-dev-469e3216e20a3946a292ff0414ab86de408d465e.zip op-kernel-dev-469e3216e20a3946a292ff0414ab86de408d465e.tar.gz | |
block discard: use bio set op accessor
This converts the block issue discard helper and users to use
the bio_set_op_attrs accessor and only pass in the operation flags
like REQ_SEQURE.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
| -rw-r--r-- | block/blk-lib.c | 13 | ||||
| -rw-r--r-- | drivers/md/dm-thin.c | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 3 |
3 files changed, 10 insertions, 8 deletions
diff --git a/block/blk-lib.c b/block/blk-lib.c index c614eaa..ff2a7f0 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -23,7 +23,8 @@ static struct bio *next_bio(struct bio *bio, unsigned int nr_pages, } int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, int type, struct bio **biop) + sector_t nr_sects, gfp_t gfp_mask, int op_flags, + struct bio **biop) { struct request_queue *q = bdev_get_queue(bdev); struct bio *bio = *biop; @@ -34,7 +35,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, return -ENXIO; if (!blk_queue_discard(q)) return -EOPNOTSUPP; - if ((type & REQ_SECURE) && !blk_queue_secdiscard(q)) + if ((op_flags & REQ_SECURE) && !blk_queue_secdiscard(q)) return -EOPNOTSUPP; /* Zero-sector (unknown) and one-sector granularities are the same. */ @@ -65,7 +66,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, bio = next_bio(bio, 1, gfp_mask); bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; - bio->bi_rw = type; + bio_set_op_attrs(bio, REQ_OP_DISCARD, op_flags); bio->bi_iter.bi_size = req_sects << 9; nr_sects -= req_sects; @@ -99,16 +100,16 @@ EXPORT_SYMBOL(__blkdev_issue_discard); int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags) { - int type = REQ_WRITE | REQ_DISCARD; + int op_flags = 0; struct bio *bio = NULL; struct blk_plug plug; int ret; if (flags & BLKDEV_DISCARD_SECURE) - type |= REQ_SECURE; + op_flags |= REQ_SECURE; blk_start_plug(&plug); - ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, type, + ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, op_flags, &bio); if (!ret && bio) { ret = submit_bio_wait(bio); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 8c070ee..e8661c2 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -360,7 +360,7 @@ static int issue_discard(struct discard_op *op, dm_block_t data_b, dm_block_t da sector_t len = block_to_sectors(tc->pool, data_e - data_b); return __blkdev_issue_discard(tc->pool_dev->bdev, s, len, - GFP_NOWAIT, REQ_WRITE | REQ_DISCARD, &op->bio); + GFP_NOWAIT, 0, &op->bio); } static void end_discard(struct discard_op *op, int r) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 49c2dbc..8c78aca 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1149,7 +1149,8 @@ extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *); extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags); extern int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, int type, struct bio **biop); + sector_t nr_sects, gfp_t gfp_mask, int op_flags, + struct bio **biop); extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, struct page *page); extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, |
