On Wed, 2014-05-28 at 23:52 -0400, Martin K. Petersen wrote:
blkdev_issue_copy() is a library function that filesystems can use to
clone block ranges between devices that support copy offloading. Both
source and target device must have max_copy_sectors 0 in the queue
limits.
blkdev_issue_copy() is a library function that filesystems can use to
clone block ranges between devices that support copy offloading. Both
source and target device must have max_copy_sectors 0 in the queue
limits.
blkdev_issue_copy() will iterate over the blocks in the source range and
issue
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