diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-06-09 16:00:36 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-09 09:52:25 -0600 |
| commit | 288dab8a35a0bde426a09870943c8d3ee3a50dab (patch) | |
| tree | 483fd3eb60ff8f44d149fb28d3b79e5212645104 /block/blk-core.c | |
| parent | 56332f02a562390a3198525ad78cb4f558805c0f (diff) | |
| download | linux-0-day-288dab8a35a0bde426a09870943c8d3ee3a50dab.tar.gz linux-0-day-288dab8a35a0bde426a09870943c8d3ee3a50dab.tar.xz | |
block: add a separate operation type for secure erase
Instead of overloading the discard support with the REQ_SECURE flag.
Use the opportunity to rename the queue flag as well, and remove the
dead checks for this flag in the RAID 1 and RAID 10 drivers that don't
claim support for secure erase.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 32a283eb7274c..db31a29812232 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); |