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| author | Stefan Haberland <sth@linux.ibm.com> | 2026-03-10 15:23:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-03-19 16:15:26 +0100 |
| commit | 812d0a3554abb3e951bc75a743ea4f19f77c17c9 (patch) | |
| tree | 8926f538309bae431635f60e7f2baef92ca04786 /include/net/aligned_data.h | |
| parent | c28d945bfa92e15147e93b73f95345b9bec979b0 (diff) | |
s390/dasd: Move quiesce state with pprc swap
commit 40e9cd4ae8ec43b107ed2bff422a8fa39dcf4e4b upstream.
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: 413862caad6f ("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>
Diffstat (limited to 'include/net/aligned_data.h')
0 files changed, 0 insertions, 0 deletions