Peter Oberparleiter c619d4223e [S390] cio: fix ccwgroup online vs. ungroup race condition ...

Ensure atomicity of ungroup operation to prevent concurrent ungroup
and online processing which may lead to use-after-release situations.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2008-12-25 13:39:06 +01:00

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