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-rw-r--r--block/blk-lib.c39
1 files changed, 10 insertions, 29 deletions
diff --git a/block/blk-lib.c b/block/blk-lib.c
index c392029a104..1a320d2406b 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -39,8 +39,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
{
DECLARE_COMPLETION_ONSTACK(wait);
struct request_queue *q = bdev_get_queue(bdev);
- int type = flags & BLKDEV_IFL_BARRIER ?
- DISCARD_BARRIER : DISCARD_NOBARRIER;
+ int type = REQ_WRITE | REQ_DISCARD;
unsigned int max_discard_sectors;
struct bio *bio;
int ret = 0;
@@ -62,10 +61,10 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
max_discard_sectors &= ~(disc_sects - 1);
}
- if (flags & BLKDEV_IFL_SECURE) {
+ if (flags & BLKDEV_DISCARD_SECURE) {
if (!blk_queue_secdiscard(q))
return -EOPNOTSUPP;
- type |= DISCARD_SECURE;
+ type |= REQ_SECURE;
}
while (nr_sects && !ret) {
@@ -78,8 +77,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
bio->bi_sector = sector;
bio->bi_end_io = blkdev_discard_end_io;
bio->bi_bdev = bdev;
- if (flags & BLKDEV_IFL_WAIT)
- bio->bi_private = &wait;
+ bio->bi_private = &wait;
if (nr_sects > max_discard_sectors) {
bio->bi_size = max_discard_sectors << 9;
@@ -93,8 +91,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
bio_get(bio);
submit_bio(type, bio);
- if (flags & BLKDEV_IFL_WAIT)
- wait_for_completion(&wait);
+ wait_for_completion(&wait);
if (bio_flagged(bio, BIO_EOPNOTSUPP))
ret = -EOPNOTSUPP;
@@ -140,7 +137,6 @@ static void bio_batch_end_io(struct bio *bio, int err)
* @sector: start sector
* @nr_sects: number of sectors to write
* @gfp_mask: memory allocation flags (for bio_alloc)
- * @flags: BLKDEV_IFL_* flags to control behaviour
*
* Description:
* Generate and issue number of bios with zerofiled pages.
@@ -149,7 +145,7 @@ static void bio_batch_end_io(struct bio *bio, int err)
*/
int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
- sector_t nr_sects, gfp_t gfp_mask, unsigned long flags)
+ sector_t nr_sects, gfp_t gfp_mask)
{
int ret;
struct bio *bio;
@@ -162,12 +158,6 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
bb.wait = &wait;
bb.end_io = NULL;
- if (flags & BLKDEV_IFL_BARRIER) {
- /* issue async barrier before the data */
- ret = blkdev_issue_flush(bdev, gfp_mask, NULL, 0);
- if (ret)
- return ret;
- }
submit:
ret = 0;
while (nr_sects != 0) {
@@ -181,8 +171,7 @@ submit:
bio->bi_sector = sector;
bio->bi_bdev = bdev;
bio->bi_end_io = bio_batch_end_io;
- if (flags & BLKDEV_IFL_WAIT)
- bio->bi_private = &bb;
+ bio->bi_private = &bb;
while (nr_sects != 0) {
sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects);
@@ -199,18 +188,10 @@ submit:
issued++;
submit_bio(WRITE, bio);
}
- /*
- * When all data bios are in flight. Send final barrier if requeted.
- */
- if (nr_sects == 0 && flags & BLKDEV_IFL_BARRIER)
- ret = blkdev_issue_flush(bdev, gfp_mask, NULL,
- flags & BLKDEV_IFL_WAIT);
-
- if (flags & BLKDEV_IFL_WAIT)
- /* Wait for bios in-flight */
- while ( issued != atomic_read(&bb.done))
- wait_for_completion(&wait);
+ /* Wait for bios in-flight */
+ while (issued != atomic_read(&bb.done))
+ wait_for_completion(&wait);
if (!test_bit(BIO_UPTODATE, &bb.flags))
/* One of bios in the batch was completed with error.*/