--- a/include/linux/nfs_xdr.h 2013-01-25 09:53:34.398180414 +0100 +++ b/include/linux/nfs_xdr.h 2013-01-23 19:20:28.574279579 +0100 @@ -10,7 +10,7 @@ * support a megabyte or more. The default is left at 4096 bytes, which is * reasonable for NFS over UDP. */ -#define NFS_MAX_FILE_IO_SIZE (1048576U) +#define NFS_MAX_FILE_IO_SIZE (8192U) #define NFS_DEF_FILE_IO_SIZE (4096U) #define NFS_MIN_FILE_IO_SIZE (1024U)