Commits
Christoph Hellwig committed e9907009cbf
block: move req_gap_{back,front}_merge to blk-merge.c
Keep it close to the actual users instead of exposing the function to all
drivers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>