| commit | 33b62a30f78536b976183cc764c08038ac011e0a | [log] [tgz] |
|---|---|---|
| author | Stefan Weinhuber <wein@de.ibm.com> | Mon Mar 08 12:26:24 2010 +0100 |
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | Mon Mar 08 12:26:27 2010 +0100 |
| tree | 60a18b4478c68082835fa6fee9a24bb1e7e8b312 | |
| parent | 584dfddfce1bd81d877f14de2b56d4bc747af821 [diff] |
[S390] dasd: automatic recognition of read-only devices In z/VM it is possible to attach a device as read-only. To prevent unintentional write requests and subsequent I/O errors, we can detect this configuration using the z/VM DIAG 210 interface and set the respective linux block device to read-only as well. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>