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43fa4219bc
btrfs_add_compressed_bio_pages is needlessly complicated. Instead of iterating over the logic disk offset just to add pages to the bio use a simple offset starting at 0, which also removes most of the claiming. Additionally __bio_add_pages already takes care of the assert that the bio is always properly sized, and btrfs_submit_bio called right after asserts that the bio size is non-zero. Signed-off-by: Christoph Hellwig <hch@lst.de> 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 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.