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[ Upstream commit6c984083ec] The use of mapping_set_error() in conjunction with calls to filemap_check_errors() is problematic because every error gets reported as either an EIO or an ENOSPC by filemap_check_errors() in functions such as filemap_write_and_wait() or filemap_write_and_wait_range(). In almost all cases, we prefer to use the more nuanced wb errors. Fixes:b8946d7bfb("NFS: Revalidate the file mapping on all fatal writeback errors") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.