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Mainline Linux tree for various devices, only for fun :)
806f026f9b
Inside nvme_kill_queues(), we have to start hw queues for draining requests in sw queues, .dispatch list and requeue list, so use blk_mq_start_hw_queues() instead of blk_mq_start_stopped_hw_queues() which only run queues if queues are stopped, but the queues may have been started already, for example nvme_start_queues() is called in reset work function. blk_mq_start_hw_queues() run hw queues in current context, instead of running asynchronously like before. Given nvme_kill_queues() is run from either remove context or reset worker context, both are fine to run hw queue directly. And the mutex of namespaces_mutex isn't a problem too becasue nvme_start_freeze() runs hw queue in this way already. Cc: stable@vger.kernel.org Reported-by: Zhang Yi <yizhan@redhat.com> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.