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commit99dc264014upstream. Move start_freeze into nvme_tcp_configure_io_queues(), and there is at least two benefits: 1) fix unbalanced freeze and unfreeze, since re-connection work may fail or be broken by removal 2) IO during error recovery can be failfast quickly because nvme fabrics unquiesces queues after teardown. One side-effect is that !mpath request may timeout during connecting because of queue topo change, but that looks not one big deal: 1) same problem exists with current code base 2) compared with !mpath, mpath use case is dominant Fixes:2875b0aeca("nvme-tcp: fix controller reset hang during traffic") Cc: stable@vger.kernel.org Signed-off-by: Ming Lei <ming.lei@redhat.com> Tested-by: Yi Zhang <yi.zhang@redhat.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.