From: Stefan Bader <shbader@de.ibm.com>
Date: Wed, 30 Aug 2006 12:33:39 +0000 (+0200)
Subject: [S390] cio: unsolicited interrupts during sense pgid.
X-Git-Tag: v2.6.18-rc6~31^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b7db1b59563aebe2f4d2ba850468afb2c87c82a;p=pandora-kernel.git

[S390] cio: unsolicited interrupts during sense pgid.

Calls to set a device online with path grouping may get stuck in
some cases because certain device conditions where discarded after
unsolicited interrupts.
Check subchannel activity after unsolicited interrupts and retry
the operation if the subchannel is idle.

Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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