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66beed5aca
nfs_do_writepage is a successful return that requires the caller to unlock the folio. Using it here requires special casing both in nfs_do_writepage and nfs_writepages_callback and leaves a land mine in nfs_wb_folio in case it ever set the flag. Remove it and just unconditionally unlock in nfs_writepages_callback. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anna Schumaker <anna.schumaker@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 reStructuredText 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.