[PATCH 1/5] fs: Add for_each_fs_device_safe()

[Markus Pargmann]

We need to be able to umount specific filesystems while iterating all of
them. This helper gives us a safe macro to do so.

Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
---
 include/fs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/fs.h b/include/fs.h
index ee7e48b0f968..3157a482d71a 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -87,6 +87,7 @@ struct fs_driver_d {
 
 extern struct list_head fs_device_list;
 #define for_each_fs_device(f) list_for_each_entry(f, &fs_device_list, list)
+#define for_each_fs_device_safe(tmp, f) list_for_each_entry_safe(f, tmp, &fs_device_list, list)
 extern struct bus_type fs_bus;
 
 struct fs_device_d {
-- 
2.7.0