[dm-devel] [PATCH 05/10] block: remove per-queue plugging

[hch at infradead.org]

> NeilBrown (6):
>       md: use new plugging interface for RAID IO.
>       md/dm - remove remains of plug_fn callback.
>       md - remove old plugging code.
>       md: provide generic support for handling unplug callbacks.
>       md: incorporate new plugging into raid5.
>       md: fix up raid1/raid10 unplugging.

Looking over more of the unplugging left over, is there a reason to
keep the unplug_work bits in CFQ?  They seem to rather counter the
current scheme (and it is the last user of kblockd outside of
blk-core.c)