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Better not to touch MRs involved in a flush or post error until the Send and Receive Queues are drained and the transport is fully quiescent. Simply don't insert such MRs back onto the free list. They remain on mr_all and will be released when the connection is torn down. I had thought that recycling would prevent hardware resources from being tied up for a long time. However, since v5.7, a transport disconnect destroys the QP and other hardware-owned resources. The MRs get cleaned up nicely at that point. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.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.