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[ Upstream commit2327fb2e23] There is no good reason for the s_last_trim_minblks to be atomic. There is no data integrity needed and there is no real danger in setting and reading it in a racy manner. Change it to be unsigned long, the same type as s_clusters_per_group which is the maximum that's allowed. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Suggested-by: Andreas Dilger <adilger@dilger.ca> Reviewed-by: Andreas Dilger <adilger@dilger.ca> Link: https://lore.kernel.org/r/20211103145122.17338-1-lczerner@redhat.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Stable-dep-of:45e4ab320c("ext4: move setting of trimmed bit into ext4_try_to_trim_range()") 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.