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path: root/fs/ocfs2/cluster/heartbeat.c
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Diffstat (limited to 'fs/ocfs2/cluster/heartbeat.c')
-rw-r--r--fs/ocfs2/cluster/heartbeat.c31
1 files changed, 25 insertions, 6 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 305cba3681fe..277ca67a2ad6 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -141,7 +141,7 @@ struct o2hb_region {
* recognizes a node going up and down in one iteration */
u64 hr_generation;
- struct work_struct hr_write_timeout_work;
+ struct delayed_work hr_write_timeout_work;
unsigned long hr_last_timeout_start;
/* Used during o2hb_check_slot to hold a copy of the block
@@ -156,9 +156,11 @@ struct o2hb_bio_wait_ctxt {
int wc_error;
};
-static void o2hb_write_timeout(void *arg)
+static void o2hb_write_timeout(struct work_struct *work)
{
- struct o2hb_region *reg = arg;
+ struct o2hb_region *reg =
+ container_of(work, struct o2hb_region,
+ hr_write_timeout_work.work);
mlog(ML_ERROR, "Heartbeat write timeout to device %s after %u "
"milliseconds\n", reg->hr_dev_name,
@@ -1404,7 +1406,7 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
goto out;
}
- INIT_WORK(&reg->hr_write_timeout_work, o2hb_write_timeout, reg);
+ INIT_DELAYED_WORK(&reg->hr_write_timeout_work, o2hb_write_timeout);
/*
* A node is considered live after it has beat LIVE_THRESHOLD
@@ -1445,6 +1447,15 @@ out:
return ret;
}
+static ssize_t o2hb_region_pid_read(struct o2hb_region *reg,
+ char *page)
+{
+ if (!reg->hr_task)
+ return 0;
+
+ return sprintf(page, "%u\n", reg->hr_task->pid);
+}
+
struct o2hb_region_attribute {
struct configfs_attribute attr;
ssize_t (*show)(struct o2hb_region *, char *);
@@ -1483,11 +1494,19 @@ static struct o2hb_region_attribute o2hb_region_attr_dev = {
.store = o2hb_region_dev_write,
};
+static struct o2hb_region_attribute o2hb_region_attr_pid = {
+ .attr = { .ca_owner = THIS_MODULE,
+ .ca_name = "pid",
+ .ca_mode = S_IRUGO | S_IRUSR },
+ .show = o2hb_region_pid_read,
+};
+
static struct configfs_attribute *o2hb_region_attrs[] = {
&o2hb_region_attr_block_bytes.attr,
&o2hb_region_attr_start_block.attr,
&o2hb_region_attr_blocks.attr,
&o2hb_region_attr_dev.attr,
+ &o2hb_region_attr_pid.attr,
NULL,
};
@@ -1551,7 +1570,7 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
struct o2hb_region *reg = NULL;
struct config_item *ret = NULL;
- reg = kcalloc(1, sizeof(struct o2hb_region), GFP_KERNEL);
+ reg = kzalloc(sizeof(struct o2hb_region), GFP_KERNEL);
if (reg == NULL)
goto out; /* ENOMEM */
@@ -1677,7 +1696,7 @@ struct config_group *o2hb_alloc_hb_set(void)
struct o2hb_heartbeat_group *hs = NULL;
struct config_group *ret = NULL;
- hs = kcalloc(1, sizeof(struct o2hb_heartbeat_group), GFP_KERNEL);
+ hs = kzalloc(sizeof(struct o2hb_heartbeat_group), GFP_KERNEL);
if (hs == NULL)
goto out;