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When SQUASHFS_CHOICE_DECOMP_BY_MOUNT is set, the "threads" mount option can be used to specify the decompression mode: single-threaded, multi-threaded, percpu or the number of threads used for decompression. When SQUASHFS_CHOICE_DECOMP_BY_MOUNT is not set, SQUASHFS_DECOMP_MULTI and SQUASHFS_MOUNT_DECOMP_THREADS are both set, the "threads" option can also be used to specify the number of threads used for decompression. This mount option is only mentioned in fs/squashfs/Kconfig, which makes it difficult to find. Another mount option available is "errors", which can be configured to panic the kernel when squashfs errors are encountered. Add both these options to the squashfs documentation, making them more noticeable. Link: https://lkml.kernel.org/r/20231117161215.140282-1-amiculas@cisco.com Signed-off-by: Ariel Miculas <amiculas@cisco.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Phillip Lougher <phillip@squashfs.org.uk> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Serge Hallyn <serge@hallyn.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
``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.