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308a06ac9f
commitf902b21650upstream. The idea of the warning in ext4_update_dx_flag() is that we should warn when we are clearing EXT4_INODE_INDEX on a filesystem with metadata checksums enabled since after clearing the flag, checksums for internal htree nodes will become invalid. So there's no need to warn (or actually do anything) when EXT4_INODE_INDEX is not set. Link: https://lore.kernel.org/r/20201118153032.17281-1-jack@suse.cz Fixes:48a3431195("ext4: fix checksum errors with indexed dirs") Reported-by: Eric Biggers <ebiggers@kernel.org> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org 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.