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authorChristoph Hellwig <hch@lst.de>2017-04-05 19:21:21 +0200
committerJens Axboe <axboe@fb.com>2017-04-08 11:25:38 -0600
commit0dbed96a3cc9786bc4814dab98a7218753bde934 (patch)
tree8f6f673be536243457eb8ba5ce4cc271be7a3b2c /tools/perf/scripts/python/call-graph-from-postgresql.py
parentblock: stop using discards for zeroing (diff)
downloadlinux-dev-0dbed96a3cc9786bc4814dab98a7218753bde934.tar.xz
linux-dev-0dbed96a3cc9786bc4814dab98a7218753bde934.zip
drbd: make intelligent use of blkdev_issue_zeroout
drbd always wants its discard wire operations to zero the blocks, so use blkdev_issue_zeroout with the BLKDEV_ZERO_UNMAP flag instead of reinventing it poorly. 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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