[PATCH] FUSE: 1/3 add padding

[Miklos Szeredi]

Add padding to structures to make sizes the same on 32bit and 64bit
archs.  Initial testing and test machine generously provided by Franco
Broi.

Signed-off-by: Miklos Szeredi <miklos@xxxxxxxxxx>

diff -rup linux-2.6.12-rc1-mm4/include/linux/fuse.h linux-fuse/include/linux/fuse.h
--- linux-2.6.12-rc1-mm4/include/linux/fuse.h	2005-03-31 21:43:52.000000000 +0200
+++ linux-fuse/include/linux/fuse.h	2005-03-31 21:48:42.000000000 +0200
@@ -25,6 +25,9 @@
 /** The minor number of the fuse character device */
 #define FUSE_MINOR 229
 
+/* Make sure all structures are padded to 64bit boundary, so 32bit
+   userspace works under 64bit kernels */
+
 struct fuse_attr {
 	__u64	ino;
 	__u64	size;
@@ -126,6 +129,7 @@ struct fuse_mknod_in {
 
 struct fuse_mkdir_in {
 	__u32	mode;
+	__u32	padding;
 };
 
 struct fuse_rename_in {
@@ -138,32 +142,38 @@ struct fuse_link_in {
 
 struct fuse_setattr_in {
 	__u32	valid;
+	__u32	padding;
 	struct fuse_attr attr;
 };
 
 struct fuse_open_in {
 	__u32	flags;
+	__u32	padding;
 };
 
 struct fuse_open_out {
 	__u64	fh;
 	__u32	open_flags;
+	__u32	padding;
 };
 
 struct fuse_release_in {
 	__u64	fh;
 	__u32	flags;
+	__u32	padding;
 };
 
 struct fuse_flush_in {
 	__u64	fh;
 	__u32	flush_flags;
+	__u32	padding;
 };
 
 struct fuse_read_in {
 	__u64	fh;
 	__u64	offset;
 	__u32	size;
+	__u32	padding;
 };
 
 struct fuse_write_in {
@@ -175,6 +185,7 @@ struct fuse_write_in {
 
 struct fuse_write_out {
 	__u32	size;
+	__u32	padding;
 };
 
 struct fuse_statfs_out {
@@ -184,6 +195,7 @@ struct fuse_statfs_out {
 struct fuse_fsync_in {
 	__u64	fh;
 	__u32	fsync_flags;
+	__u32	padding;
 };
 
 struct fuse_setxattr_in {
@@ -193,10 +205,12 @@ struct fuse_setxattr_in {
 
 struct fuse_getxattr_in {
 	__u32	size;
+	__u32	padding;
 };
 
 struct fuse_getxattr_out {
 	__u32	size;
+	__u32	padding;
 };
 
 struct fuse_init_in_out {
@@ -212,6 +226,7 @@ struct fuse_in_header {
 	__u32	uid;
 	__u32	gid;
 	__u32	pid;
+	__u32	padding;
 };
 
 struct fuse_out_header {

-
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