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Diffstat (limited to 'drivers/md/dm.h')
-rw-r--r--drivers/md/dm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 4b3faa45277..b4584a39383 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -112,6 +112,11 @@ int dm_table_resume_targets(struct dm_table *t);
int dm_table_any_congested(struct dm_table *t, int bdi_bits);
void dm_table_unplug_all(struct dm_table *t);
+/*
+ * To check the return value from dm_table_find_target().
+ */
+#define dm_target_is_valid(t) ((t)->table)
+
/*-----------------------------------------------------------------
* A registry of target types.
*---------------------------------------------------------------*/
@@ -182,4 +187,6 @@ union map_info *dm_get_mapinfo(struct bio *bio);
int dm_open_count(struct mapped_device *md);
int dm_lock_for_deletion(struct mapped_device *md);
+void dm_kobject_uevent(struct mapped_device *md);
+
#endif