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Christoph Hellwig
d292dc8068
There is no need to destroy the workqueue when clearing unbinding a loop device from a backing file. Not doing so on the other hand avoid creating a complex lock dependency chain involving the global system_transition_mutex. Based on a patch from Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>. Reported-by: syzbot+6479585dfd4dedd3f7e1@syzkaller.appspotmail.com Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Tested-by: syzbot+6479585dfd4dedd3f7e1@syzkaller.appspotmail.com Link: https://lore.kernel.org/r/20220330052917.2566582-16-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.