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029c6b106f
commitc4d13222afupstream. freeze_bdev() can fail due to a lot of reasons, it needs to check its reason before later process. Fixes:783d948544("ext4: add EXT4_IOC_GOINGDOWN ioctl") Cc: stable@kernel.org Signed-off-by: Chao Yu <chao@kernel.org> Link: https://lore.kernel.org/r/20230606073203.1310389-1-chao@kernel.org Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.