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The new helpers suspend the array first and then lock the array, Prepare to refactor from: mddev_lock/lock_nointr mddev_suspend ... mddev_resuem mddev_lock With: mddev_suspend_and_lock/lock_nointr ... mddev_unlock_and_resume After all the use cases is refactored, mddev_suspend/resume() will be removed. And mddev_suspend_and_lock() will also replace mddev_lock() for the case that the array will be reconfigured, in order to synchronize with io to prevent problems in many corner cases. Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20231010151958.145896-6-yukuai1@huaweicloud.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.