diff options
| -rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index a25ef5a50386..277ca67a2ad6 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -1447,6 +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 *); @@ -1485,11 +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, }; |