1BLKDEV_ISSUE_ZEROOUT(9)          Block Devices         BLKDEV_ISSUE_ZEROOUT(9)
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NAME

6       blkdev_issue_zeroout - zero-fill a block range
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SYNOPSIS

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

13       bdev
14           blockdev to write
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16       sector
17           start sector
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19       nr_sects
20           number of sectors to write
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22       gfp_mask
23           memory allocation flags (for bio_alloc)
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DESCRIPTION

26       Generate and issue number of bios with zerofiled pages.
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29Kernel Hackers Manual 3.10         June 2019           BLKDEV_ISSUE_ZEROOUT(9)
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