drbd: implement REQ_OP_WRITE_ZEROES
It seems like DRBD assumes its on the wire TRIM request always zeroes data. Use that fact to implement REQ_OP_WRITE_ZEROES. Signed-off-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
Showing
想要评论请 注册 或 登录