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BLKDEV_ISSUE_ZEROOUT(9) Block Devices BLKDEV_ISSUE_ZEROOUT(9)

NAME

blkdev_issue_zeroout - zero-fill a block range

SYNOPSIS

int blkdev_issue_zeroout(struct block_device * bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask);

ARGUMENTS

bdev
blockdev to write
sector
start sector
nr_sects
number of sectors to write
gfp_mask
memory allocation flags (for bio_alloc)

DESCRIPTION

Generate and issue number of bios with zerofiled pages.

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16