centos man page for blkdev_issue_zeroout

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
Kernel Hackers Manual 3.10					     June 2014						   BLKDEV_ISSUE_ZEROOUT(9)