devtmpfs is built on top of tmpfs but also needs to store some
data of its own. Add a sub_fs_data pointer to
struct shmem_sb_info for this purpose.
Signed-off-by: Seth Forshee <seth.fors...@canonical.com>
---
include/linux/shmem_fs.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 4d1771c2d29f..7e2c33a0c73a 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -33,6 +33,7 @@ struct shmem_sb_info {
kgid_t gid; /* Mount gid for root directory */
umode_t mode; /* Mount mode for root directory */
struct mempolicy *mpol; /* default memory policy for mappings */
+ void *sub_fs_data; /* data for other shmem-based fses */
};
static inline struct shmem_inode_info *SHMEM_I(struct inode *inode)
--
1.9.1
--
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