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To: hackers@freebsd.org
Subject: NFS_ASYNC (revisited for 2.2)
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Mon, 21 Aug 1995 06:49:25 -0700
Sender: hackers-owner@freebsd.org
Precedence: bulk

   Doug Rabson has pointed out that my NFS_ASYNC patch for 2.2 was inadequate
and furthermore should only apply to NFSv2. Attached is a corrected patch.

-DG

Index: nfs_serv.c
===================================================================
RCS file: /home/ncvs/src/sys/nfs/nfs_serv.c,v
retrieving revision 1.22
diff -c -r1.22 nfs_serv.c
*** 1.22	1995/08/06 11:55:25
--- nfs_serv.c	1995/08/21 13:46:48
***************
*** 92,97 ****
--- 92,103 ----
  		      NFFIFO, NFNON };
  int nfsrvw_procrastinate = NFS_GATHERDELAY * 1000;
  
+ #ifdef NFS_ASYNC
+ int nfs_async = 1;
+ #else
+ int nfs_async;
+ #endif
+ 
  /*
   * nfs v3 access service
   */
***************
*** 731,736 ****
--- 737,744 ----
  		nfsm_dissect(tl, u_long *, 4 * NFSX_UNSIGNED);
  		off = (off_t)fxdr_unsigned(u_long, *++tl);
  		tl += 2;
+ 		if (nfs_async)
+ 	    		stable = NFSV3WRITE_UNSTABLE;
  	}
  	retlen = len = fxdr_unsigned(long, *tl);
  	cnt = i = 0;
***************
*** 930,935 ****
--- 938,945 ----
  		nfsm_dissect(tl, u_long *, 4 * NFSX_UNSIGNED);
  		nfsd->nd_off = (off_t)fxdr_unsigned(u_long, *++tl);
  		tl += 2;
+ 		if (nfs_async)
+ 			nfsd->nd_stable = NFSV3WRITE_UNSTABLE;
  	    }
  	    len = fxdr_unsigned(long, *tl);
  	    nfsd->nd_len = len;