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This reverts commit3c181c12c4. The offending patch was merged in 4.16-rc4 and was promptly applied to stable kernels 4.14.25 and 4.15.8. The patch causes a corruption in several superblock items on big-endian machines because of messed up endianity conversions. The damage is manually repairable. A filesystem cannot be mounted again after it has been unmounted once. We do a full revert and not a fixup so stable can pick that patch ASAP. Fixes:3c181c12c4("btrfs: use proper endianness accessors for super_copy") Link: https://lkml.kernel.org/r/1521139304@msgid.manchmal.in-ulm.de CC: stable@vger.kernel.org # 4.14+ Reported-by: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de> Signed-off-by: David Sterba <dsterba@suse.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.