This patch add a /sys/bus/rbd/devices/X/state_lock_timeout to
show the option of state_lock_timeout of rbd device
Signed-off-by: Dongsheng Yang <dongsheng.yang@xxxxxxxxxxxx>
---
drivers/block/rbd.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 6bfbfe5..4c492ad 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -4159,6 +4159,15 @@ static ssize_t rbd_queue_depth_show(struct device *dev,
(unsigned long long)rbd_dev->opts->queue_depth);
}
+static ssize_t rbd_state_lock_timeout_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
+
+ return sprintf(buf, "%llu\n",
+ (unsigned long long)rbd_dev->opts->state_lock_timeout);
+}
+
static ssize_t rbd_read_only_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -4204,6 +4213,7 @@ static ssize_t rbd_exclusive_show(struct device *dev,
static DEVICE_ATTR(snap_id, S_IRUGO, rbd_snap_id_show, NULL);
static DEVICE_ATTR(parent, S_IRUGO, rbd_parent_show, NULL);
static DEVICE_ATTR(queue_depth, S_IRUGO, rbd_queue_depth_show, NULL);
+static DEVICE_ATTR(state_lock_timeout, S_IRUGO, rbd_state_lock_timeout_show, NULL);
static DEVICE_ATTR(read_only, S_IRUGO, rbd_read_only_show, NULL);
static DEVICE_ATTR(lock_on_read, S_IRUGO, rbd_lock_on_read_show, NULL);
static DEVICE_ATTR(exclusive, S_IRUGO, rbd_exclusive_show, NULL);
@@ -4226,6 +4236,7 @@ static ssize_t rbd_exclusive_show(struct device *dev,
&dev_attr_parent.attr,
&dev_attr_refresh.attr,
&dev_attr_queue_depth.attr,
+ &dev_attr_state_lock_timeout.attr,
&dev_attr_read_only.attr,
&dev_attr_lock_on_read.attr,
&dev_attr_exclusive.attr,
--
1.8.3.1
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