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07a29b134c
nvmet_tcp_install_queue() is driven from the ->io_work workqueue function, but will call flush_workqueue() which might trigger ->release_work() which in itself calls flush_work on ->io_work. To avoid that check for pending queue in disconnecting status, and return 'controller busy' when we reached a certain threshold. Signed-off-by: Hannes Reinecke <hare@suse.de> Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@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.