tree 2543dfac49863f3058aa5042727d44f0ba2aff33
parent db2738197b52f02f4c599c1ae3f66ae1894406cd
author Horst Hummel <horst.hummel@de.ibm.com> 1170706644 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1170706644 +0100

[S390] dasd: fix unconditional reserve handling.

The reserve/release IOCTLs sometimes do not work. If second system
does a 'steal lock' the pending unit check (Format 3 Msg F) is
delivered. Since ERP is disabled for reserve/release, the IOCTL call
fails. We have to allow basic ERP (retries) for reserve/release IOCTLs.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>