[SCSI] zfcp: Acquire qdio_stat_lock when reading the queue utilization
authorChristof Schmitt <christof.schmitt@de.ibm.com>
Mon, 13 Jul 2009 13:06:03 +0000 (15:06 +0200)
committerJames Bottomley <James.Bottomley@HansenPartnership.com>
Thu, 30 Jul 2009 13:49:54 +0000 (08:49 -0500)
req_q_util is not atomic, so the qdio_stat_lock must be held when
reading this variable.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
drivers/s390/scsi/zfcp_sysfs.c

Simple merge