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3a67baa8eec4d4a39bc52d07970b70ce7c3f6006
commit40e9cd4ae8upstream. Quiesce and resume is a mechanism to suspend operations on DASD devices. In the context of a controlled copy pair swap operation, the quiesce operation is usually issued before the actual swap and a resume afterwards. During the swap operation, the underlying device is exchanged. Therefore, the quiesce flag must be moved to the secondary device to ensure a consistent quiesce state after the swap. The secondary device itself cannot be suspended separately because there is no separate block device representation for it. Fixes:413862caad("s390/dasd: add copy pair swap capability") Cc: stable@vger.kernel.org #6.1 Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Link: https://patch.msgid.link/20260310142330.4080106-2-sth@linux.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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.
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