dm ioctl: support cookies for udev

[karo-tx-linux.git] / drivers / md / dm-ioctl.c

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 1128d3fba797f38a89f39849eea012bc9daa22d1..1c871736f48cfcef74c2cfb82b060437b5303d94 100644 (file)
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -276,7 +276,7 @@ retry:
        up_write(&_hash_lock);
 }
 
-static int dm_hash_rename(const char *old, const char *new)
+static int dm_hash_rename(uint32_t cookie, const char *old, const char *new)
 {
        char *new_name, *old_name;
        struct hash_cell *hc;
@@ -333,7 +333,7 @@ static int dm_hash_rename(const char *old, const char *new)
                dm_table_put(table);
        }
 
-       dm_kobject_uevent(hc->md);
+       dm_kobject_uevent(hc->md, KOBJ_CHANGE, cookie);
 
        dm_put(hc->md);
        up_write(&_hash_lock);
@@ -680,6 +680,9 @@ static int dev_remove(struct dm_ioctl *param, size_t param_size)
 
        __hash_remove(hc);
        up_write(&_hash_lock);
+
+       dm_kobject_uevent(md, KOBJ_REMOVE, param->event_nr);
+
        dm_put(md);
        param->data_size = 0;
        return 0;
@@ -715,7 +718,7 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size)
                return r;
 
        param->data_size = 0;
-       return dm_hash_rename(param->name, new_name);
+       return dm_hash_rename(param->event_nr, param->name, new_name);
 }
 
 static int dev_set_geometry(struct dm_ioctl *param, size_t param_size)
@@ -842,8 +845,11 @@ static int do_resume(struct dm_ioctl *param)
        if (dm_suspended(md))
                r = dm_resume(md);
 
-       if (!r)
+
+       if (!r) {
+               dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
                r = __dev_status(md, param);
+       }
 
        dm_put(md);
        return r;