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Chuck Lever
f09c36c8df
DMA unmapping can take quite some time, so it should not be handled in a single-threaded completion handler. Defer releasing write_info structs to the recently-added workqueue. With this patch, DMA unmapping can be handled in parallel, and it does not cause head-of-queue blocking of Write completions. Signed-off-by: Chuck Lever <chuck.lever@oracle.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.