libfstools: query drivers by priority

[project/fstools.git] / libfstools / volume.c

diff --git a/libfstools/volume.c b/libfstools/volume.c
index 0d293d54ea738acc9f308eaddcfe297ca94b3d7f..b26d1a0f74eba0c2fe510bf8656f501abaee18b7 100644 (file)
--- a/libfstools/volume.c
+++ b/libfstools/volume.c
@@ -23,7 +23,16 @@ static LIST_HEAD(drivers);
 void
 volume_register_driver(struct driver *d)
 {
-       list_add(&d->list, &drivers);
+       struct driver *cur, *tmp;
+
+       list_for_each_entry_safe(cur, tmp, &drivers, list) {
+               if (d->priority <= cur->priority)
+                       continue;
+
+               _list_add(&d->list, cur->list.prev, &cur->list);
+               return;
+       }
+       list_add_tail(&d->list, &drivers);
 }
 
 struct volume* volume_find(char *name)