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107a805de8
For non-migration IO, we will keep order of data/node blocks' submitting as allocation sequence by sorting IOs in per log io_list list, but for migration IO, it could be out-of-order. In LFS mode, we should keep all IOs including migration IO be ordered, so that this patch fixes to add an additional lock to keep submitting order. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@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.
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.