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e62958fce9
Currently, we have two wrappers for __btrfs_lookup_bio_sums(): btrfs_lookup_bio_sums_dio(), which is used for direct I/O, and btrfs_lookup_bio_sums(), which is used everywhere else. The only difference is that the _dio variant looks up csums starting at the given offset instead of using the page index, which isn't actually direct I/O-specific. Let's clean up the signature and return value of __btrfs_lookup_bio_sums(), rename it to btrfs_lookup_bio_sums(), and get rid of the trivial helpers. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Omar Sandoval <osandov@fb.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 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.