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778b878543
extent_write_locked_range currently expects that either all or no pages are dirty when it is called. Bur run_delalloc_zoned is called directly in the writepages path, and has the dirty bit cleared only for locked_page and which the extent_write_cache_pages currently operates. It currently works around this by redirtying locked_page, but that is a bit inefficient and cumbersome. Pass a locked_page argument to run_delalloc_zoned so that clearing the dirty bit can be skipped on just that page. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.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.