block: add sync_blockdev_range()

sync_blockdev_range() is to support syncing multiple sectors
with as few block device requests as possible, it is helpful
to make the block device to give full play to its performance.

Signed-off-by: Yuezhang Mo <[email protected]>
Suggested-by: Christoph Hellwig <[email protected]>
Reviewed-by: Andy Wu <[email protected]>
Reviewed-by: Aoyama Wataru <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Acked-by: Sungjong Seo <[email protected]>
Signed-off-by: Namjae Jeon <[email protected]>

0 files changed, 0 insertions, 0 deletions