* @bdev: blockdev to issue discard for
* @sector: start sector
* @nr_sects: number of sectors to discard
+ * @gfp_mask: memory allocation flags (for bio_alloc)
*
* Description:
* Issue a discard request for the sectors in question. Does not wait.
*/
-int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
- unsigned nr_sects)
+int blkdev_issue_discard(struct block_device *bdev,
+ sector_t sector, sector_t nr_sects, gfp_t gfp_mask)
{
struct request_queue *q;
struct bio *bio;
return -EOPNOTSUPP;
while (nr_sects && !ret) {
- bio = bio_alloc(GFP_KERNEL, 0);
+ bio = bio_alloc(gfp_mask, 0);
if (!bio)
return -ENOMEM;
nr_sects = 0;
}
bio_get(bio);
- submit_bio(WRITE_DISCARD, bio);
+ submit_bio(DISCARD_BARRIER, bio);
/* Check if it failed immediately */
if (bio_flagged(bio, BIO_EOPNOTSUPP))