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Various changes in the "ext4: better scalability for ext4 block allocation" patch series have resulted in kunit test failures, most notably in the test_new_blocks_simple and the test_mb_mark_used tests. The root cause of these failures is that various in-memory ext4 data structures were not getting initialized, and while previous versions of the functions exercised by the unit tests didn't use these structure members, this was arguably a test bug. Since one of the patches in the block allocation scalability patches is a fix which is has a cc:stable tag, this commit also has a cc:stable tag. CC: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250714130327.1830534-1-libaokun1@huawei.com Link: https://patch.msgid.link/20250725021550.3177573-1-yi.zhang@huaweicloud.com Link: https://patch.msgid.link/20250725021654.3188798-1-yi.zhang@huaweicloud.com Reported-by: Guenter Roeck <linux@roeck-us.net> Closes: https://lore.kernel.org/linux-ext4/b0635ad0-7ebf-4152-a69b-58e7e87d5085@roeck-us.net/ Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Zhang Yi <yi.zhang@huawei.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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 reStructuredText 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.