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authorPaul Mundt <lethal@linux-sh.org>2009-08-13 11:48:01 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-08-13 11:48:01 +0900
commite290861f99131fc42d98012a9ea2dc185f08f8f9 (patch)
tree5c8b92d095d74d03b281711c81bac54bd59989cd /drivers/s390/scsi/zfcp_sysfs.c
parentb4a757367d36cebddcd332a4024d92f1e87af370 (diff)
parentdbefd606a3b3634799b625f4900336e61c89e868 (diff)
downloadlinux-next-e290861f99131fc42d98012a9ea2dc185f08f8f9.tar.gz
Merge branch 'sh/stable-updates'
Diffstat (limited to 'drivers/s390/scsi/zfcp_sysfs.c')
-rw-r--r--drivers/s390/scsi/zfcp_sysfs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 3e51e64d1108..0fe5cce818cb 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -494,9 +494,14 @@ static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
struct Scsi_Host *scsi_host = class_to_shost(dev);
struct zfcp_adapter *adapter =
(struct zfcp_adapter *) scsi_host->hostdata[0];
+ u64 util;
+
+ spin_lock_bh(&adapter->qdio_stat_lock);
+ util = adapter->req_q_util;
+ spin_unlock_bh(&adapter->qdio_stat_lock);
return sprintf(buf, "%d %llu\n", atomic_read(&adapter->qdio_outb_full),
- (unsigned long long)adapter->req_q_util);
+ (unsigned long long)util);
}
static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);