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[S390] dasd: check if raw track access is supported
authorStefan Haberland <stefan.haberland@de.ibm.com>
Wed, 3 Aug 2011 14:44:23 +0000 (16:44 +0200)
committerHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 3 Aug 2011 14:44:19 +0000 (16:44 +0200)
commit7f2350456f26aefe5acb2a378d01ee6f611e9acd
tree7dbea7ccd0d77864f75e85b353450fb8bd54f2c2tree | snapshot
parent130b1f4a2e2ff3ad83116c53a10b4e2f7f97a9f5commit | diff
[S390] dasd: check if raw track access is supported

To use raw track access some special storage server commands are
needed. Older storage hardware may not support these commands.
So check if raw track access is possible while setting the DASD
online.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
drivers/s390/block/dasd_eckd.c diff | blob | history
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