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694c12ed9d
found_type really holds the type of extent and is guaranteed to to have a value between [0, 2]. The only time it can contain anything different is if btrfs_lookup_file_extent returned a positive value and the previous item is different than an extent. Avoid this situation by simply checking found_key.type rather than assigning the item type to found_type intermittently. Also make the variable an u8 to reduce stack usage. No functional changes. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Nikolay Borisov <nborisov@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 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.