1 files changed, 19 insertions, 2 deletions

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 07d44e19536e..561bda5011e0 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;
@@ -683,14 +693,18 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size)
 static int do_suspend(struct dm_ioctl *param)
 {
         int r = 0;
+        int do_lockfs = 1;
         struct mapped_device *md;
 
         md = find_device(param);
         if (!md)
                 return -ENXIO;
 
+        if (param->flags & DM_SKIP_LOCKFS_FLAG)
+                do_lockfs = 0;
+
         if (!dm_suspended(md))
-                r = dm_suspend(md);
+                r = dm_suspend(md, do_lockfs);
 
         if (!r)
                 r = __dev_status(md, param);
@@ -702,6 +716,7 @@ static int do_suspend(struct dm_ioctl *param)
 static int do_resume(struct dm_ioctl *param)
 {
         int r = 0;
+        int do_lockfs = 1;
         struct hash_cell *hc;
         struct mapped_device *md;
         struct dm_table *new_map;
@@ -727,8 +742,10 @@ static int do_resume(struct dm_ioctl *param)
         /* Do we need to load a new map ? */
         if (new_map) {
                 /* Suspend if it isn't already suspended */
+                if (param->flags & DM_SKIP_LOCKFS_FLAG)
+                        do_lockfs = 0;
                 if (!dm_suspended(md))
-                        dm_suspend(md);
+                        dm_suspend(md, do_lockfs);
 
                 r = dm_swap_table(md, new_map);
                 if (r) {