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| /openbmc/linux/drivers/block/ |
| H A D | loop.c | 19372e27 Wed Apr 05 12:21:15 CDT 2017 Christoph Hellwig <hch@lst.de> loop: implement REQ_OP_WRITE_ZEROES
It's identical to discard as hole punches will always leave us with
zeroes on reads.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
19372e27 Wed Apr 05 12:21:15 CDT 2017 Christoph Hellwig <hch@lst.de> loop: implement REQ_OP_WRITE_ZEROES
It's identical to discard as hole punches will always leave us with
zeroes on reads.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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