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commit943cff67b8upstream. The intention of nfs4_session_set_rwsize() was to cap the r/wsize to the buffer sizes negotiated by the CREATE_SESSION. The initial code had a bug whereby we would not check the values negotiated by nfs_probe_fsinfo() (the assumption being that CREATE_SESSION will always negotiate buffer values that are sane w.r.t. the server's preferred r/wsizes) but would only check values set by the user in the 'mount' command. The code was changed in 4.11 to _always_ set the r/wsize, meaning that we now never use the server preferred r/wsizes. This is the regression that this patch fixes. Also rename the function to nfs4_session_limit_rwsize() in order to avoid future confusion. Fixes:033853325f(NFSv4.1 respect server's max size in CREATE_SESSION") Cc: stable@vger.kernel.org # v4.11+ Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.