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Patch series "nilfs2: Folio conversions for file paths". This series advances page->folio conversions for a wide range of nilfs2, including its file operations, block routines, and the log writer's writeback routines. It doesn't cover large folios support, but it saves a lot of hidden compound_head() calls while preserving the existing support range behavior. The original series in post [1] also covered directory-related page->folio conversions, but that was put on hold because a regression was found in testing, so this is an excerpt from the first half of the original post. [1] https://lkml.kernel.org/r/20231106173903.1734114-1-willy@infradead.org I tested this series in both 32-bit and 64-bit environments, switching between normal and small block sizes. I also reviewed all changes in all patches to ensure they do not break existing behavior. There were no problems. This patch (of 20): This is the folio counterpart of the existing nilfs_end_page_io() which is retained as a wrapper of nilfs_end_folio_io(). Replaces nine hidden calls to compound_head() with one. Link: https://lkml.kernel.org/r/20231114084436.2755-1-konishi.ryusuke@gmail.com Link: https://lkml.kernel.org/r/20231114084436.2755-2-konishi.ryusuke@gmail.com Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.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
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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.