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23019d3e66
Btrfs utilizes inline data extent for the following cases: - Regular small files - Symlinks And "btrfs check" detects any file extents that are too large as an error. It's not a problem for 4K block size, but for the incoming smaller block sizes (2K), it can cause problems due to bad limits: - Non-compressed inline data extents We do not allow a non-compressed inline data extent to be as large as block size. - Symlinks Currently the only real limit on symlinks are 4K, which can be larger than 2K block size. These will result btrfs-check to report too large file extents. Fix it by adding proper size checks for the above cases. Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> 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 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.