ceph: move CEPH_SUPER_MAGIC definition to magic.h

The uapi headers are missing the ceph definition. Move it there so
userland apps can ID cephfs.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index eb255d2..dbcf9b7 100644 (file)
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -27,6 +27,8 @@
 #include <linux/ceph/auth.h>
 #include <linux/ceph/debugfs.h>
 
+#include <uapi/linux/magic.h>
+
 static DEFINE_SPINLOCK(ceph_fsc_lock);
 static LIST_HEAD(ceph_fsc_list);
 

diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 0d489a9..dc9fe7e 100644 (file)
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -25,9 +25,6 @@
 #include <linux/fscache.h>
 #endif
 
-/* f_type in struct statfs */
-#define CEPH_SUPER_MAGIC 0x00c36400
-
 /* large granularity for statfs utilization stats to facilitate
  * large volume sizes on 32-bit machines. */
 #define CEPH_BLOCK_SHIFT   22  /* 4 MB */

diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 35687dc..53a3c20 100644 (file)
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -6,6 +6,7 @@
 #define AFFS_SUPER_MAGIC       0xadff
 #define AFS_SUPER_MAGIC                0x5346414F
 #define AUTOFS_SUPER_MAGIC     0x0187
+#define CEPH_SUPER_MAGIC       0x00c36400
 #define CODA_SUPER_MAGIC       0x73757245
 #define CRAMFS_MAGIC           0x28cd3d45      /* some random number */
 #define CRAMFS_MAGIC_WEND      0x453dcd28      /* magic number with the wrong endianess */