Hi Jens, please find following patch that fixes a likely data corruption when using devices with thin provisioning support. As this is a severe issue I hope this will make it into RC6. If not, please let me know. Regards, Stefan Stefan Haberland (1): s390/dasd: fix data corruption for thin provisioned devices drivers/s390/block/dasd.c | 27 +++++- drivers/s390/block/dasd_eckd.c | 163 +++++++++++++++++++++++++++++++-- drivers/s390/block/dasd_int.h | 15 ++- 3 files changed, 193 insertions(+), 12 deletions(-) -- 2.17.1