1. NAME

blkdev_issue_zeroout - zero-fill a block range

2. SYNOPSIS

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

3. ARGUMENTS

bdev
    blockdev to write

sector
    start sector

nr_sects
    number of sectors to write

gfp_mask
    memory allocation flags (for bio_alloc)

4. DESCRIPTION

Generate and issue number of bios with zerofiled pages.

5. COPYRIGHT