From 3bc52c45bac26bf7ed1dc8d287ad1aeaed1250b6 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Sun, 24 Jul 2016 21:55:45 -0700 Subject: dax: define a unified inode/address_space for device-dax mappings In support of enabling resize / truncate of device-dax instances, define a pseudo-fs to provide a unified inode/address space for vm operations. Cc: Al Viro Signed-off-by: Dan Williams --- include/uapi/linux/magic.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h index e398beac67b8..9bd559472c92 100644 --- a/include/uapi/linux/magic.h +++ b/include/uapi/linux/magic.h @@ -65,6 +65,7 @@ #define V9FS_MAGIC 0x01021997 #define BDEVFS_MAGIC 0x62646576 +#define DAXFS_MAGIC 0x64646178 #define BINFMTFS_MAGIC 0x42494e4d #define DEVPTS_SUPER_MAGIC 0x1cd1 #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA -- cgit v1.2.3