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(parent: 9f8b93a) | patch
blk-mq: don't issue request directly in case that current is to be blocked
authorMing Lei <ming.lei@redhat.com>
Tue, 26 Oct 2021 08:22:57 +0000 (16:22 +0800)
committerJens Axboe <axboe@kernel.dk>
Tue, 26 Oct 2021 14:38:11 +0000 (08:38 -0600)
commitff1552232b3612edff43a95746a4e78e231ef3d4
tree471881aa06bfa9a9fe5efb9f061b8de642ebc852tree | snapshot
parent9f8b93a7df4d8e1e8715fb2a45a893cffad9da0bcommit | diff
blk-mq: don't issue request directly in case that current is to be blocked

When flushing plug list in case that current will be blocked, we can't
issue request directly because ->queue_rq() may sleep, otherwise scheduler
may complain.

Fixes: dc5fc361d891 ("block: attempt direct issue of plug list")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20211026082257.2889890-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq.c diff | blob | history
Domain: System / Kernel;