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Jan Kara 55dd5b4db3 udf: Make sure i_lenExtents is uptodate on inode eviction
UDF maintains total length of all extents in i_lenExtents. Generally we
keep extent lengths (and thus i_lenExtents) block aligned because it
makes the file appending logic simpler. However the standard mandates
that the inode size must match the length of all extents and thus we
trim the last extent when closing the file. To catch possible bugs we
also verify that i_lenExtents matches i_size when evicting inode from
memory. Commit b405c1e58b ("udf: refactor udf_next_aext() to handle
error") however broke the code updating i_lenExtents and thus
udf_evict_inode() ended up spewing lots of errors about incorrectly
sized extents although the extents were actually sized properly. Fix the
updating of i_lenExtents to silence the errors.

Fixes: b405c1e58b ("udf: refactor udf_next_aext() to handle error")
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
History 2025-05-07 12:04:07 +02:00
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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 reStructuredText 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.