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ceph: move CEPH_SUPER_MAGIC definition to magic.h

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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>
This commit is contained in:
Jeff Layton 2022-01-10 18:28:33 -05:00 committed by Ilya Dryomov
parent 76bdbc7ac7
commit a0b3a15eab
3 changed files with 3 additions and 3 deletions
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2
fs/ceph/super.c
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@ -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);

3
fs/ceph/super.h
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@ -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 */

1
include/uapi/linux/magic.h
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@ -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 */