Trond Myklebust 64294b08f9 pNFS: Don't send LAYOUTGET on OPEN for read, if we already have cached data
If we're only opening the file for reading, and the file is empty and/or
we already have cached data, then heuristically optimise away the
LAYOUTGET.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-05-31 15:03:12 -04:00
2018-04-26 09:02:01 -06:00
2018-01-06 10:59:44 -07:00
2018-05-25 18:12:11 -07:00
2018-05-24 20:16:47 +02:00
2018-05-27 13:01:47 -07:00

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
S
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