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[ Upstream commit a5e80e18f268ea7c7a36bc4159de0deb3b5a2171 ] If NAT is corrupted, let scan_nat_page() return EFSCORRUPTED, so that, caller can set SBI_NEED_FSCK flag into checkpoint for later repair by fsck. Also, this patch introduces a new fscorrupted error flag, and in above scenario, it will persist the error flag into superblock synchronously to avoid it has no luck to trigger a checkpoint to record SBI_NEED_FSCK Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com> Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Sasha Levin <sashal@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.