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[ Upstream commit 88a80066af1617fab444776135d840467414beb6 ] Like ftruncate and write, fallocate operations on the same file cannot be executed in parallel, so it is better to make fallocate be hashed work. Signed-off-by: Fengnan Chang <changfengnan@bytedance.com> Link: https://lore.kernel.org/r/20250623110218.61490-1-changfengnan@bytedance.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.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.