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[ Upstream commita7d139145a] The __nvmf_check_ready() routine used to bounce all filesystem io if the controller state isn't LIVE. However, a later patch changed the logic so that it rejection ends up being based on the Q live check. The FC transport has a slightly different sequence from rdma and tcp for shutting down queues/marking them non-live. FC marks its queue non-live after aborting all ios and waiting for their termination, leaving a rather large window for filesystem io to continue to hit the transport. Unfortunately this resulted in filesystem I/O or applications seeing I/O errors. Change the FC transport to mark the queues non-live at the first sign of teardown for the association (when I/O is initially terminated). Fixes:73a5379937("nvme-fabrics: allow to queue requests for live queues") Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.