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In recovery, if we process too much data, raid5-cache may set MD_SB_CHANGE_PENDING, which causes spinning in handle_stripe(). Fix this issue by clearing the bit before flushing data only stripes. This issue was initially discussed in [1]. [1] https://www.spinics.net/lists/raid/msg64409.html Signed-off-by: Song Liu <songliubraving@fb.com>
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.