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cb3c11d2f5
Since we can no longer assume page sized folio for data filemap folios, allow btrfs_alloc_subpage() to accept a new parameter, @fsize, indicating the folio size. This doesn't follow the regular behavior of passing a folio directly, because this function is shared by both data and metadata folios, and for metadata folios we have extra allocation policy to ensure no large folios whose sizes are larger than nodesize (unless it's page sized). Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> 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.