[PATCH] PATCH 4 of 4 : knfsd : Increase the max block size for NFS replies.

This increases the max read/write size for nfsd from 8K to 32K.

This requires making NFSv2 return the right number in statfs
requests.  NFSv3 already does that.

fs/nfsd/nfsxdr.c

@@ -385,7 +385,7 @@ nfssvc_encode_statfsres(struct svc_rqst *rqstp, u32 *p,
 {
 	struct statfs	*stat = &resp->stats;
 
-	*p++ = htonl(8 * 1024);		/* max transfer size */
+	*p++ = htonl(NFSSVC_MAXBLKSIZE);	/* max transfer size */
 	*p++ = htonl(stat->f_bsize);
 	*p++ = htonl(stat->f_blocks);
 	*p++ = htonl(stat->f_bfree);

include/linux/nfsd/const.h

@@ -19,9 +19,9 @@
 #define NFSSVC_MAXVERS		3
 
 /*
- * Maximum blocksize supported by daemon currently at 8K
+ * Maximum blocksize supported by daemon currently at 32K
  */
-#define NFSSVC_MAXBLKSIZE	8192
+#define NFSSVC_MAXBLKSIZE	(32*1024)
 
 #ifdef __KERNEL__