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847568942f
Now that both the Send and Receive completions are handled in process context, it is safe to DMA unmap and return MRs to the free or recycle lists directly in the completion handlers. Doing this means rpcrdma_frwr no longer needs to track the state of each MR, meaning that a VALID or FLUSHED MR can no longer appear on an xprt's MR free list. Thus there is no longer a need to track the MR's registration state in rpcrdma_frwr. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.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.