tree 0e8bd6fdfb2b96eb505f71f306afbab72d4f3c88
parent 7bcd79ac50d9d83350a835bdb91c04ac9e098412
author Ming Lei <ming.lei@canonical.com> 1456501251 +0800
committer Jens Axboe <axboe@fb.com> 1457041369 -0700

block: check virt boundary in bio_will_gap()

In the following patch, the way for figuring out
the last bvec will be changed with a bit cost introduced,
so return immediately if the queue doesn't have virt
boundary limit. Actually most of devices have not
this limit.

Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>