Btrfs: fix ioctl arg size (userland incompatible change!)

[linux-2.6-omap-h63xx.git] / fs / btrfs / ioctl.h

diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 78049ea208db6b7e30c0dabe8679af1094fe4bb8..b320b103fa132dadf345168a80fff04bd41be8b3 100644 (file)
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -22,13 +22,20 @@
 
 #define BTRFS_IOCTL_MAGIC 0x94
 #define BTRFS_VOL_NAME_MAX 255
-#define BTRFS_PATH_NAME_MAX 3072
+#define BTRFS_PATH_NAME_MAX 4087
 
+/* this should be 4k */
 struct btrfs_ioctl_vol_args {
        __s64 fd;
        char name[BTRFS_PATH_NAME_MAX + 1];
 };
 
+struct btrfs_ioctl_clone_range_args {
+  __s64 src_fd;
+  __u64 src_offset, src_length;
+  __u64 dest_offset;
+};
+
 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
                                   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
@@ -52,11 +59,6 @@ struct btrfs_ioctl_vol_args {
                                   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
                                   struct btrfs_ioctl_vol_args)
-struct btrfs_ioctl_clone_range_args {
-  __s64 src_fd;
-  __u64 src_offset, src_length;
-  __u64 dest_offset;
-};
 
 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
                                  struct btrfs_ioctl_clone_range_args)