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[ Upstream commit7cddb055bf] handle_read_error() will resumit r10_bio by raid10_read_request(), which will call bio_start_io_acct() again, while bio_end_io_acct() will only be called once. Fix the problem by don't account io again from handle_read_error(). Fixes:528bc2cf2f("md/raid10: enable io accounting") Suggested-by: Song Liu <song@kernel.org> Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20230314012258.2395894-1-yukuai1@huaweicloud.com Signed-off-by: Sasha Levin <sashal@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.
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.