block: stop using discards for zeroing

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Now that we have REQ_OP_WRITE_ZEROES implemented for all devices that
support efficient zeroing, we can remove the call to blkdev_issue_discard.
This means we only have two ways of zeroing left and can simplify the
code.

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>

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Christoph Hellwig 2017-04-05 19:21:20 +02:00 • committed by Jens Axboe

parent 5d1429fead

commit 71027e97d7

1 changed files with 6 additions and 6 deletions

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block/blk-lib.c

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