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Online folios are locked file-backed folios which will eventually keep decoded (e.g. decompressed) data of each inode for end users to utilize. It may belong to a few pclusters and contain other data (e.g. compressed data for inplace I/Os) temporarily in a time-sharing manner to reduce memory footprints for low-ended storage devices with high latencies under heary I/O pressure. Apart from folio_end_read() usage, it's a straight-forward conversion. Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> Link: https://lore.kernel.org/r/20240305091448.1384242-1-hsiangkao@linux.alibaba.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.