Function report |
Source Code:block\blk-lib.c |
Create Date:2022-07-28 17:07:30 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:__blkdev_issue_zeroout - generate number of zero filed write bios*@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*@flags: controls
Proto:int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, struct bio **biop, unsigned flags)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct block_device * | bdev | |
sector_t | sector | |
sector_t | nr_sects | |
gfp_t | gfp_mask | |
struct bio ** | biop | |
unsigned | flags |
331 | bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1 |
337 | If ret != -EOPNOTSUPP || flags & don't write explicit zeroes Then Return ret |
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