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If the inode that's being requested to track using ext4_fc_track_inode is being committed, then wait until the inode finishes the commit. Also, add calls to ext4_fc_track_inode at the right places. With this patch, now calling ext4_reserve_inode_write() results in inode being tracked for next fast commit. This ensures that by the time ext4_reserve_inode_write() returns, it is ready to be modified and won't be committed until the corresponding handle is open. A subtle lock ordering requirement with i_data_sem (which is documented in the code) requires that ext4_fc_track_inode() be called before grabbing i_data_sem. So, this patch also adds explicit ext4_fc_track_inode() calls in places where i_data_sem grabbed. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://patch.msgid.link/20250508175908.1004880-3-harshadshirwadkar@gmail.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.