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s390/dasd: fix unresumed device after suspend/resume
authorStefan Haberland <stefan.haberland@de.ibm.com>
Thu, 2 Apr 2015 10:52:41 +0000 (12:52 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 15 Apr 2015 10:23:51 +0000 (12:23 +0200)
The DASD device driver only has a limited amount of memory to build
I/O requests.
This memory was used by blocklayer requests leading to an inability
to build needed internal requests to resume the device.
Fix by preventing the DASD driver to fetch requests for a stopped
device.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Reference-ID: RQM 2520
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/dasd.c patch | blob | history

diff --cc drivers/s390/block/dasd.c
Simple merge
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