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Baokun Li
6b76715d5e
After commitd3476f3dad("ext4: don't set SB_RDONLY after filesystem errors") in v6.12-rc1, the 'errors=remount-ro' mode no longer sets SB_RDONLY on errors, which results in us seeing the filesystem is still in rw state after errors. Therefore, after setting EXT4_FLAGS_EMERGENCY_RO, display the emergency_ro option so that users can query whether the current file system has become emergency read-only due to errors through commands such as 'mount' or 'cat /proc/fs/ext4/sdx/options'. Fixes:d3476f3dad("ext4: don't set SB_RDONLY after filesystem errors") Signed-off-by: Baokun Li <libaokun1@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Zhang Yi <yi.zhang@huawei.com> Link: https://patch.msgid.link/20250122114130.229709-7-libaokun@huaweicloud.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.