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block: Fix secure erase

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Commit 288dab8a35 ("block: add a separate operation type for secure
erase") split REQ_OP_SECURE_ERASE from REQ_OP_DISCARD without considering
all the places REQ_OP_DISCARD was being used to mean either. Fix those.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: 288dab8a35 ("block: add a separate operation type for secure erase")
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Adrian Hunter 2016-08-16 10:59:35 +03:00 • committed by Jens Axboe
parent f6b6a28e2d
commit 7afafc8a44
9 changed files with 50 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/linux/bio.h
View file

@ -71,7 +71,8 @@ static inline bool bio_has_data(struct bio *bio)
{
if (bio &&
bio->bi_iter.bi_size &&
bio_op(bio) != REQ_OP_DISCARD)
bio_op(bio) != REQ_OP_DISCARD &&
bio_op(bio) != REQ_OP_SECURE_ERASE)
return true;
return false;
@ -79,7 +80,9 @@ static inline bool bio_has_data(struct bio *bio)
static inline bool bio_no_advance_iter(struct bio *bio)
{
return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_WRITE_SAME;
return bio_op(bio) == REQ_OP_DISCARD ||
bio_op(bio) == REQ_OP_SECURE_ERASE ||
bio_op(bio) == REQ_OP_WRITE_SAME;
}
static inline bool bio_is_rw(struct bio *bio)
@ -199,6 +202,9 @@ static inline unsigned bio_segments(struct bio *bio)
if (bio_op(bio) == REQ_OP_DISCARD)
return 1;
if (bio_op(bio) == REQ_OP_SECURE_ERASE)
return 1;
if (bio_op(bio) == REQ_OP_WRITE_SAME)
return 1;

6
include/linux/blkdev.h
View file

@ -882,7 +882,7 @@ static inline unsigned int blk_rq_cur_sectors(const struct request *rq)
static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q,
int op)
{
if (unlikely(op == REQ_OP_DISCARD))
if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE))
return min(q->limits.max_discard_sectors, UINT_MAX >> 9);
if (unlikely(op == REQ_OP_WRITE_SAME))
@ -913,7 +913,9 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq,
if (unlikely(rq->cmd_type != REQ_TYPE_FS))
return q->limits.max_hw_sectors;
if (!q->limits.chunk_sectors || (req_op(rq) == REQ_OP_DISCARD))
if (!q->limits.chunk_sectors ||
req_op(rq) == REQ_OP_DISCARD ||
req_op(rq) == REQ_OP_SECURE_ERASE)
return blk_queue_get_max_sectors(q, req_op(rq));
return min(blk_max_size_offset(q, offset),