tree da2990fffea55ce3caaee1d4efd0e4147caa5e46
parent 2b8ef16ec4c529c7df3bb4e4eba45ac645a97b00
author Christoph Hellwig <hch@lst.de> 1444030276 +0200
committer NeilBrown <neilb@suse.com> 1446346108 +1100

raid5-cache: use bio chaining

Simplify the bio completion handler by using bio chaining and submitting
bios as soon as they are full.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>