diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 27 | ||||
| -rw-r--r-- | block/blk-lib.c | 25 | ||||
| -rw-r--r-- | block/blk-merge.c | 6 |
3 files changed, 33 insertions, 25 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 32a283eb7274..db31a2981223 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1977,16 +1977,21 @@ generic_make_request_checks(struct bio *bio) } } - if ((bio_op(bio) == REQ_OP_DISCARD) && - (!blk_queue_discard(q) || - ((bio->bi_rw & REQ_SECURE) && !blk_queue_secdiscard(q)))) { - err = -EOPNOTSUPP; - goto end_io; - } - - if (bio_op(bio) == REQ_OP_WRITE_SAME && !bdev_write_same(bio->bi_bdev)) { - err = -EOPNOTSUPP; - goto end_io; + switch (bio_op(bio)) { + case REQ_OP_DISCARD: + if (!blk_queue_discard(q)) + goto not_supported; + break; + case REQ_OP_SECURE_ERASE: + if (!blk_queue_secure_erase(q)) + goto not_supported; + break; + case REQ_OP_WRITE_SAME: + if (!bdev_write_same(bio->bi_bdev)) + goto not_supported; + break; + default: + break; } /* @@ -2003,6 +2008,8 @@ generic_make_request_checks(struct bio *bio) trace_block_bio_queue(q, bio); return true; +not_supported: + err = -EOPNOTSUPP; end_io: bio->bi_error = err; bio_endio(bio); diff --git a/block/blk-lib.c b/block/blk-lib.c index ff2a7f04af4d..78626c2fde33 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -23,20 +23,27 @@ 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 op_flags, + sector_t nr_sects, gfp_t gfp_mask, int flags, struct bio **biop) { struct request_queue *q = bdev_get_queue(bdev); struct bio *bio = *biop; unsigned int granularity; + enum req_op op; int alignment; if (!q) return -ENXIO; - if (!blk_queue_discard(q)) - return -EOPNOTSUPP; - if ((op_flags & REQ_SECURE) && !blk_queue_secdiscard(q)) - return -EOPNOTSUPP; + + if (flags & BLKDEV_DISCARD_SECURE) { + if (!blk_queue_secure_erase(q)) + return -EOPNOTSUPP; + op = REQ_OP_SECURE_ERASE; + } else { + if (!blk_queue_discard(q)) + return -EOPNOTSUPP; + op = REQ_OP_DISCARD; + } /* Zero-sector (unknown) and one-sector granularities are the same. */ granularity = max(q->limits.discard_granularity >> 9, 1U); @@ -66,7 +73,7 @@ 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_set_op_attrs(bio, REQ_OP_DISCARD, op_flags); + bio_set_op_attrs(bio, op, 0); bio->bi_iter.bi_size = req_sects << 9; nr_sects -= req_sects; @@ -100,16 +107,12 @@ 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 op_flags = 0; struct bio *bio = NULL; struct blk_plug plug; int ret; - if (flags & BLKDEV_DISCARD_SECURE) - op_flags |= REQ_SECURE; - blk_start_plug(&plug); - ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, op_flags, + ret = __blkdev_issue_discard(bdev, sector, nr_sects, gfp_mask, flags, &bio); if (!ret && bio) { ret = submit_bio_wait(bio); diff --git a/block/blk-merge.c b/block/blk-merge.c index c265348b75d1..9772308a8391 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -649,8 +649,7 @@ static int attempt_merge(struct request_queue *q, struct request *req, if (!rq_mergeable(req) || !rq_mergeable(next)) return 0; - if (!blk_check_merge_flags(req->cmd_flags, req_op(req), next->cmd_flags, - req_op(next))) + if (req_op(req) != req_op(next)) return 0; /* @@ -752,8 +751,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) if (!rq_mergeable(rq) || !bio_mergeable(bio)) return false; - if (!blk_check_merge_flags(rq->cmd_flags, req_op(rq), bio->bi_rw, - bio_op(bio))) + if (req_op(rq) != bio_op(bio)) return false; /* different data direction or already started, don't merge */ |