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BLKDEV_ISSUE_DISCARD(9) Block Devices BLKDEV_ISSUE_DISCARD(9)

NAME

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, int 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.

COPYRIGHT

May 2024 Kernel Hackers Manual 2.6.