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path: root/drivers/s390/scsi/zfcp_diag.h
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Diffstat (limited to 'drivers/s390/scsi/zfcp_diag.h')
-rw-r--r--drivers/s390/scsi/zfcp_diag.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_diag.h b/drivers/s390/scsi/zfcp_diag.h
index cf2947cd8c8f..b9c93d15f67c 100644
--- a/drivers/s390/scsi/zfcp_diag.h
+++ b/drivers/s390/scsi/zfcp_diag.h
@@ -42,6 +42,8 @@ struct zfcp_diag_header {
* adapter.
* @sysfs_established: flag showing that the associated sysfs-group was created
* during run of zfcp_adapter_enqueue().
+ * @max_age: maximum age of data in diagnostic buffers before they need to be
+ * refreshed (in ms).
* @port_data: data retrieved using exchange port data.
* @port_data.header: header with metadata for the cache in @port_data.data.
* @port_data.data: cached QTCB Bottom of command exchange port data.
@@ -52,6 +54,8 @@ struct zfcp_diag_header {
struct zfcp_diag_adapter {
u64 sysfs_established :1;
+ unsigned long max_age;
+
struct {
struct zfcp_diag_header header;
struct fsf_qtcb_bottom_port data;