[XFS] move XFS_IOC_GETVERSION to main multiplexer

Avoids doing an unnecessary inode to vnode conversion and avoids a memory
allocation.

SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:26492a

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 2 insertions, 7 deletions

diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index ed8317fba23c..a74f854d91e6 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -763,6 +763,8 @@ xfs_ioctl(
                 return xfs_ioc_fsgeometry(mp, arg);
 
         case XFS_IOC_GETVERSION:
+                return put_user(inode->i_generation, (int __user *)arg);
+
         case XFS_IOC_GETXFLAGS:
         case XFS_IOC_SETXFLAGS:
         case XFS_IOC_FSGETXATTR:
@@ -1264,13 +1266,6 @@ xfs_ioc_xattr(
                 break;
         }
 
-        case XFS_IOC_GETVERSION: {
-                flags = vn_to_inode(vp)->i_generation;
-                if (copy_to_user(arg, &flags, sizeof(flags)))
-                        error = -EFAULT;
-                break;
-        }
-
         default:
                 error = -ENOTTY;
                 break;