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b60ca3343e
Don't ignore return values from ext4_ext_dirty, since the errors indicate valid failures below Ext4. In all of the other instances of ext4_ext_dirty calls, the error return value is handled in some way. This patch makes those remaining couple of places to handle ext4_ext_dirty errors as well. In case of ext4_split_extent_at(), the ignorance of return value is intentional. The reason is that we are already in error path and there isn't much we can do if ext4_ext_dirty returns error. This patch adds a comment for that case explaining why we ignore the return value. In the longer run, we probably should make sure that errors from other mark_dirty routines are handled as well. Ran gce-xfstests smoke tests and verified that there were no regressions. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20200427013438.219117-2-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 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.