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78ccef9123
Commit5291984004("dm: fix bio polling to handle possibile BLK_STS_AGAIN") inadvertently introduced an early return from dm_io_complete() without first queueing the bio to DM if BLK_STS_AGAIN occurs and bio-polling is _not_ being used. Fix this by only returning early from dm_io_complete() if the bio has first been properly queued to DM. Otherwise, the bio will never finish via bio_endio. Fixes:5291984004("dm: fix bio polling to handle possibile BLK_STS_AGAIN") Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer <snitzer@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.