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[ Upstream commit 2dca60d98e241bea686004168f85208f215fc697 ] Previously, when an MMP-protected file system is remounted read-only, the kmmpd thread would exit the next time it woke up (a few seconds later), without resetting the MMP sequence number back to EXT4_MMP_SEQ_CLEAN. Fix this by explicitly killing the MMP thread when the file system is remounted read-only. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: Andreas Dilger <adilger@dilger.ca> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.