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f94e08b602
The end of this function could use some cleanup -- the EAGAIN conditionals make it harder to figure out what's going on with the disposal of xattri_leaf_bp, and the dual error/ret variables aren't needed. Turn the EAGAIN case into a separate block documenting all the subtleties of recovering in the middle of an xattr update chain, which makes the rest of the prologue much simpler. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.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.