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4d0cdd2bb8
The calling conventions of this function are a mess -- callers /can/ provide a pointer to a pointer to a state structure, but it's not required, and as evidenced by the last two patches, the callers that do weren't be careful enough about how to deal with an existing da state. Push the allocation and freeing responsibilty to the callers, which means that callers from the xattr node state machine steps now have the visibility to allocate or free the da state structure as they please. As a bonus, the node remove/add paths for larp-mode replaces can reset the da state structure instead of freeing and immediately reallocating it. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.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.