__BLKDEV_ISSUE_ZEROO(9)

NAME
__blkdev_issue_zeroout - generate number of zero filed write bios

SYNOPSIS

int __blkdev_issue_zeroout(struct block_device * bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, struct bio ** biop, bool discard);

ARGUMENTS

bdev
    blockdev to issue

sector
    start sector

nr_sects
    number of sectors to write

gfp_mask
    memory allocation flags (for bio_alloc)

biop
    pointer to anchor bio

discard
    discard flag

DESCRIPTION

Generate and issue number of bios with zerofiled pages.

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