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Christoph Hellwig authored
This gets us support for non-discard efficient write of zeroes (e.g. NVMe) and prepares for removing the discard_zeroes_data flag. Also remove a pointless discard support check, which is done in blkdev_issue_discard already. 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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