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Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull more block layer fixes from Jens Axboe:
"I wasn't going to send off a new pull before next week, but the blk
flush fix from Jan from the other day introduced a regression. It's
rare enough not to have hit during testing, since it requires both a
device that rejects the first flush, and bad timing while it does
that. But since someone did hit it, let's get the revert into 4.4-rc3
so we don't have a released rc with that known issue.
Apart from that revert, three other fixes:
- From Christoph, a fix for a missing unmap in NVMe request
preparation.
- An NVMe fix from Nishanth that fixes data corruption on powerpc.
- Also from Christoph, fix a list_del() attempt on blk-mq that didn't
have a matching list_add() at timer start"
* 'for-linus' of git://git.kernel.dk/linux-block:
Revert "blk-flush: Queue through IO scheduler when flush not required"
block: fix blk_abort_request for blk-mq drivers
nvme: add missing unmaps in nvme_queue_rq
NVMe: default to 4k device page size