blkdev_issue_discard (9) Linux Manual Page
blkdev_issue_discard – queue a discard
Synopsis
int blkdev_issue_discard(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);Arguments
bdev
-
- blockdev to issue discard for
sector
- start sector
nr_sects
- number of sectors to discard
gfp_mask
- memory allocation flags (for bio_alloc)
flags
- BLKDEV_IFL_* flags to control behaviour
Description
Issue a discard request for the sectors in question.