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Commite360c6ed72("ext4: Drop special handling of journalled data from ext4_sync_file()") simplified ext4_sync_file() by dropping special handling of journalled data mode as it was not needed anymore. However that branch was also used for directories and symlinks and since the fastcommit code does not track metadata changes to non-regular files, the change has caused e.g. fsync(2) on directories to not commit transaction as it should. Fix the problem by adding handling for non-regular files. Fixes:e360c6ed72("ext4: Drop special handling of journalled data from ext4_sync_file()") Reported-by: Eric Whitney <enwlinux@gmail.com> Link: https://lore.kernel.org/all/ZFqO3xVnmhL7zv1x@debian-BULLSEYE-live-builder-AMD64 Signed-off-by: Jan Kara <jack@suse.cz> Tested-by: Eric Whitney <enwlinux@gmail.com> Link: https://lore.kernel.org/r/20230524104453.8734-1-jack@suse.cz 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 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.