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e4e58e5df3
In __ext4_super() we always overwrote the user specified journal_ioprio value with a default value, expecting parse_apply_sb_mount_options() to later correctly set ctx->journal_ioprio to the user specified value. However, if parse_apply_sb_mount_options() returned early because of empty sbi->es_s->s_mount_opts, the correct journal_ioprio value was never set. This patch fixes __ext4_super() to only use the default value if the user has not specified any value for journal_ioprio. Similarly, the remount behavior was to either use journal_ioprio value specified during initial mount, or use the default value irrespective of the journal_ioprio value specified during remount. This patch modifies this to first check if a new value for ioprio has been passed during remount and apply it. If no new value is passed, use the value specified during initial mount. Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com> Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com> Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> Link: https://lore.kernel.org/r/20220418083545.45778-1-ojaswin@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@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.