[PATCH 2/8] fs: Add for_each_fs_device_safe()

Sascha Hauer s.hauer at pengutronix.de
Tue Mar 15 04:22:26 PDT 2016

From: Markus Pargmann <mpa at pengutronix.de>

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 7301942..b9d1e6e 100644
--- a/include/fs.h
+++ b/include/fs.h
@@ -88,6 +88,7 @@ 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 {

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