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e21d01a2a3
Add scatterwalk_skip() to skip the given number of bytes in a scatter_walk. Previously support for skipping was provided through scatterwalk_copychunks(..., 2) followed by scatterwalk_done(), which was confusing and less efficient. Also add scatterwalk_start_at_pos() which starts a scatter_walk at the given position, equivalent to scatterwalk_start() + scatterwalk_skip(). This addresses another common need in a more streamlined way. Later patches will convert various users to use these functions. Signed-off-by: Eric Biggers <ebiggers@google.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 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.