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block: stop using blkdev_issue_write_same for zeroing 

We'll always use the WRITE ZEROES code for zeroing now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2017-04-05 19:21:07 +02:00 committed by Jens Axboe
parent 615ec946ab
commit c20cfc27a4
1 changed files with 0 additions and 4 deletions
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4
block/blk-lib.c
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@ -364,10 +364,6 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
return 0; return 0;
} }
if (!blkdev_issue_write_same(bdev, sector, nr_sects, gfp_mask,
ZERO_PAGE(0)))
return 0;
blk_start_plug(&plug); blk_start_plug(&plug);
ret = __blkdev_issue_zeroout(bdev, sector, nr_sects, gfp_mask, ret = __blkdev_issue_zeroout(bdev, sector, nr_sects, gfp_mask,
&bio, discard); &bio, discard);