[PATCH] fuse: bump interface version

Change interface version to 7.4.

Following changes will need backward compatibility support, so store the minor
version returned by userspace.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 6 insertions, 1 deletions

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 8f873e621f41..e5bc3f8eebd0 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -178,6 +178,8 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
                 if (req->misc.init_in_out.major != FUSE_KERNEL_VERSION)
                         fc->conn_error = 1;
 
+                fc->minor = req->misc.init_in_out.minor;
+
                 /* After INIT reply is received other requests can go
                    out.  So do (FUSE_MAX_OUTSTANDING - 1) number of
                    up()s on outstanding_sem.  The last up() is done in
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 0ea5301f86be..2d4835e54c90 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -272,6 +272,9 @@ struct fuse_conn {
         /** Is create not implemented by fs? */
         unsigned no_create : 1;
 
+        /** Negotiated minor version */
+        unsigned minor;
+
         /** Backing dev info */
         struct backing_dev_info bdi;
 };
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index b76b558b03d4..3c85f1a422cc 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -14,7 +14,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 3
+#define FUSE_KERNEL_MINOR_VERSION 4
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1