Re: [PATCH] blk-mq: Fix queue usage on failed request allocation
From: Ming Lei <hidden>
Date: 2017-08-15 02:46:20
Also in:
linux-nvme
On Mon, Aug 14, 2017 at 04:40:11PM -0400, Keith Busch wrote:
blk_mq_get_request() does not release the callers queue usage counter
when allocation fails. The caller still needs to account for its own
queue usage when it is unable to allocate a request.
Fixes: 1ad43c0078b7 ("blk-mq: don't leak preempt counter/q_usage_counter when allocating rq failed")
Reported-by: Max Gurtovoy <redacted>
Signed-off-by: Keith Busch <redacted>Reviewed-by: Ming Lei <redacted> -- Ming