There are some filesystems are running on char devs, such
as ubifs. So we need a field in super_block to hold a
reference to the char device.
Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
---
include/linux/fs.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 35ec87e..2f1d9499 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1284,6 +1284,7 @@ struct super_block {
struct hlist_bl_head s_anon; /* anonymous dentries for (nfs) exporting */
struct list_head s_mounts; /* list of mounts; _not_ for fs use */
struct block_device *s_bdev;
+ struct cdev *s_cdev;
struct backing_dev_info *s_bdi;
struct mtd_info *s_mtd;
struct hlist_node s_instances;
--
1.8.4.2
--
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