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The compression service requires an additional pre-allocated buffer for each destination scatter list. Extend the function qat_alg_sgl_to_bufl() to take an additional structure that contains the dma address and the size of the extra buffer which will be appended in the destination FW SGL. The logic that unmaps buffers in qat_alg_free_bufl() has been changed to start unmapping from buffer 0 instead of skipping the initial buffers num_buff - num_mapped_bufs as that functionality was not used in the code. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com> Reviewed-by: Adam Guerin <adam.guerin@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.