Mikulas Patocka 4134455f2a dm writecache: fix writing beyond end of underlying device when shrinking
Do not attempt to write any data beyond the end of the underlying data
device while shrinking it.

The DM writecache device must be suspended when the underlying data
device is shrunk.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2021-02-09 17:09:02 -05:00
2021-02-02 08:57:56 -07:00
2021-01-27 09:51:49 -07:00
2020-12-16 16:38:41 -08:00
2021-01-10 13:24:55 -08:00
2021-01-08 15:06:02 -08:00
2020-10-17 11:18:18 -07:00
2021-01-15 23:55:16 +01:00
2021-01-24 16:47:14 -08:00

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.
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