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ia->ri_id is replaced during a reconnect. The connect_worker runs with the transport send lock held to prevent ri_id from being dereferenced by the send_request path during this process. Currently, however, there is no guarantee that ia->ri_id is stable in the MR recycling worker, which operates in the background and is not serialized with the connect_worker in any way. But now that Local_Inv completions are being done in process context, we can handle the recycling operation there instead of deferring the recycling work to another process. Because the disconnect path drains all work before allowing tear down to proceed, it is guaranteed that Local Invalidations complete only while the ri_id pointer is stable. 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.