linux-kernel - [PATCH] fuse: move FUSE_SUPER

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Message-Id: <20220110235252.138931-1-jlayton@kernel.org>
Date:   Mon, 10 Jan 2022 18:52:52 -0500
From:   Jeff Layton <jlayton@...nel.org>
To:     miklos@...redi.hu
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fuse: move FUSE_SUPER_MAGIC definition to magic.h

...to help userland apps that need to identify FUSE mounts.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/fuse/inode.c            | 3 +--
 include/uapi/linux/magic.h | 1 +
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 8b89e3ba7df3..672793e163a5 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -23,6 +23,7 @@
 #include <linux/exportfs.h>
 #include <linux/posix_acl.h>
 #include <linux/pid_namespace.h>
+#include <uapi/linux/magic.h>
 
 MODULE_AUTHOR("Miklos Szeredi <miklos@...redi.hu>");
 MODULE_DESCRIPTION("Filesystem in Userspace");
@@ -50,8 +51,6 @@ MODULE_PARM_DESC(max_user_congthresh,
  "Global limit for the maximum congestion threshold an "
  "unprivileged user can set");
 
-#define FUSE_SUPER_MAGIC 0x65735546
-
 #define FUSE_DEFAULT_BLKSIZE 512
 
 /** Maximum number of outstanding background requests */
diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
index 53a3c20394cf..a3034558b018 100644
--- a/include/uapi/linux/magic.h
+++ b/include/uapi/linux/magic.h
@@ -36,6 +36,7 @@
 #define EFIVARFS_MAGIC		0xde5e81e4
 #define HOSTFS_SUPER_MAGIC	0x00c0ffee
 #define OVERLAYFS_SUPER_MAGIC	0x794c7630
+#define FUSE_SUPER_MAGIC	0x65735546
 
 #define MINIX_SUPER_MAGIC	0x137F		/* minix v1 fs, 14 char names */
 #define MINIX_SUPER_MAGIC2	0x138F		/* minix v1 fs, 30 char names */
-- 
2.34.1