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a6ca692ec2
With -Wmaybe-uninitialized compiler complains about ret being possibly uninitialized, which isn't possible as the WQ_ constants are set only from our code, however we can handle the default case and get rid of the warning. The value is set to BLK_STS_IOERR so it does not issue any IO and could be potentially detected, but this is basically a "cannot happen" error. To catch any problems during development use the assert. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ set the error in default: ] Signed-off-by: David Sterba <dsterba@suse.com>
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.