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-rw-r--r--drivers/md/dm-ioctl.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 07d44e19536e..3e327db57310 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -270,6 +270,7 @@ static int dm_hash_rename(const char *old, const char *new)
{
char *new_name, *old_name;
struct hash_cell *hc;
+ struct dm_table *table;
/*
* duplicate new.
@@ -317,6 +318,15 @@ static int dm_hash_rename(const char *old, const char *new)
/* rename the device node in devfs */
register_with_devfs(hc);
+ /*
+ * Wake up any dm event waiters.
+ */
+ table = dm_get_table(hc->md);
+ if (table) {
+ dm_table_event(table);
+ dm_table_put(table);
+ }
+
up_write(&_hash_lock);
kfree(old_name);
return 0;