[PATCH] fix the defaults mentioned in Documentation/nfsroot.txt

This patch fixes the documentation of nfsroot to match NFS_DEF_FILE_IO_SIZE.

Or perhaps we need to change NFS_DEF_FILE_IO_SIZE to match the
documentation?

Signed-off-by: Dan Aloni <[e-mail]>
Cc: "David S. Miller" <[e-mail]>
Cc: Trond Myklebust <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

Documentation/nfsroot.txt

···
   <nfs-options>	Standard NFS options. All options are separated by commas.
 		The following defaults are used:
 			port		= as given by server portmap daemon
-			rsize		= 1024
-			wsize		= 1024
+			rsize		= 4096
+			wsize		= 4096
 			timeo		= 7
 			retrans		= 3
 			acregmin	= 3