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| Filename | Latest commit message | Latest commit date |
|---|---|---|
467214ddfa
commit cca2c6aebe86f68103a8615074b3578e854b5016 upstream.
Metadata resize shouldn't happen in the ctr. The ctr loads a temporary
(inactive) table that will only become active upon resume. That is why
resize should always be done in terms of resume. Otherwise a load (ctr)
whose inactive table never becomes active will incorrectly resize the
metadata.
Also, perform the resize directly in preresume, instead of using the
worker to do it.
The worker might run other metadata operations, e.g., it could start
digestion, before resizing the metadata. These operations will end up
using the old size.
This could lead to errors, like:
device-mapper: era: metadata_digest_transcribe_writeset: dm_array_set_value failed
device-mapper: era: process_old_eras: digest step failed, stopping digestion
The reason of the above error is that the worker started the digestion
of the archived writeset using the old, larger size.
As a result, metadata_digest_transcribe_writeset tried to write beyond
the end of the era array.
Fixes:
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| README | ||
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.