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Date:      Tue, 17 Jul 2018 12:13:38 +0000 (UTC)
From:      Rick Macklem <rmacklem@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject:   svn commit: r336413 - in projects/pnfs-planb-server/sys/fs: nfs nfsserver
Message-ID:  <201807171213.w6HCDclN006777@repo.freebsd.org>

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Author: rmacklem
Date: Tue Jul 17 12:13:38 2018
New Revision: 336413
URL: https://svnweb.freebsd.org/changeset/base/336413

Log:
  Update the NFS server code with recent changes in head for handling
  the ESXi 6.7 client.
  There should be no effect on the pNFS server itself.

Modified:
  projects/pnfs-planb-server/sys/fs/nfs/nfsproto.h
  projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdport.c
  projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdserv.c
  projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c

Modified: projects/pnfs-planb-server/sys/fs/nfs/nfsproto.h
==============================================================================
--- projects/pnfs-planb-server/sys/fs/nfs/nfsproto.h	Tue Jul 17 12:01:59 2018	(r336412)
+++ projects/pnfs-planb-server/sys/fs/nfs/nfsproto.h	Tue Jul 17 12:13:38 2018	(r336413)
@@ -568,6 +568,7 @@
 #define	NFSV4OPEN_WDRESOURCE		0x00080000
 #define	NFSV4OPEN_WDCONTENTION		0x00100000
 #define	NFSV4OPEN_WDNOTWANTED		0x00200000
+#define	NFSV4OPEN_WDSUPPFTYPE		0x00400000
 
 /*
  * NFS V4 File Handle types

Modified: projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdport.c
==============================================================================
--- projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdport.c	Tue Jul 17 12:01:59 2018	(r336412)
+++ projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdport.c	Tue Jul 17 12:13:38 2018	(r336413)
@@ -2101,6 +2101,7 @@ nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdg
 	}
 	fullsiz = siz;
 	nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
+#if 0
 	if (!nd->nd_repstat) {
 	    if (off && verf != at.na_filerev) {
 		/*
@@ -2109,17 +2110,14 @@ nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdg
 		 * removed/added unless that offset cookies returned to
 		 * the client are no longer valid.
 		 */
-#if 0
 		if (nd->nd_flag & ND_NFSV4) {
 			nd->nd_repstat = NFSERR_NOTSAME;
 		} else {
 			nd->nd_repstat = NFSERR_BAD_COOKIE;
 		}
-#endif
-	    } else if ((nd->nd_flag & ND_NFSV4) && off == 0 && verf != 0) {
-		nd->nd_repstat = NFSERR_BAD_COOKIE;
 	    }
 	}
+#endif
 	if (!nd->nd_repstat && vp->v_type != VDIR)
 		nd->nd_repstat = NFSERR_NOTDIR;
 	if (!nd->nd_repstat && cnt == 0)
@@ -4466,8 +4464,8 @@ tryagain:
 				NFSUNLOCKMNT(failnmp);
 				ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER,
 				    failnmp, p);
-				NFSD_DEBUG(4, "nfsrv_proxyds: deldsnmp fail=%d "
-				    "ds=%p\n", failpos, ds);
+				NFSD_DEBUG(4, "dsldsnmp fail=%d ds=%p\n",
+				    failpos, ds);
 				if (ds != NULL)
 					nfsrv_killrpcs(failnmp);
 				NFSLOCKMNT(failnmp);

Modified: projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdserv.c
==============================================================================
--- projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdserv.c	Tue Jul 17 12:01:59 2018	(r336412)
+++ projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdserv.c	Tue Jul 17 12:13:38 2018	(r336413)
@@ -3095,7 +3095,13 @@ nfsrvd_open(struct nfsrv_descript *nd, __unused int is
 			*tl = txdr_unsigned(NFSV4OPEN_DELEGATEWRITE);
 		else if (retext != 0) {
 			*tl = txdr_unsigned(NFSV4OPEN_DELEGATENONEEXT);
-			if ((rflags & NFSV4OPEN_WDCONTENTION) != 0) {
+			if ((rflags & NFSV4OPEN_WDNOTWANTED) != 0) {
+				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
+				*tl = txdr_unsigned(NFSV4OPEN_NOTWANTED);
+			} else if ((rflags & NFSV4OPEN_WDSUPPFTYPE) != 0) {
+				NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
+				*tl = txdr_unsigned(NFSV4OPEN_NOTSUPPFTYPE);
+			} else if ((rflags & NFSV4OPEN_WDCONTENTION) != 0) {
 				NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(NFSV4OPEN_CONTENTION);
 				*tl = newnfs_false;
@@ -4230,9 +4236,16 @@ nfsrvd_reclaimcomplete(struct nfsrv_descript *nd, __un
 		goto nfsmout;
 	}
 	NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
-	if (*tl == newnfs_true)
-		nd->nd_repstat = NFSERR_NOTSUPP;
-	else
+	/*
+	 * I believe that a ReclaimComplete with rca_one_fs == TRUE is only
+	 * to be used after a file system has been transferred to a different
+	 * file server.  However, RFC5661 is somewhat vague w.r.t. this and
+	 * the ESXi 6.7 client does both a ReclaimComplete with rca_one_fs
+	 * == TRUE and one with ReclaimComplete with rca_one_fs == FALSE.
+	 * Therefore, just ignore the rca_one_fs == TRUE operation and return
+	 * NFS_OK without doing anything.
+	 */
+	if (*tl == newnfs_false)
 		nd->nd_repstat = nfsrv_checkreclaimcomplete(nd);
 nfsmout:
 	NFSEXITCODE2(error, nd);

Modified: projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c
==============================================================================
--- projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c	Tue Jul 17 12:01:59 2018	(r336412)
+++ projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c	Tue Jul 17 12:13:38 2018	(r336413)
@@ -3097,7 +3097,13 @@ tryagain:
 		    /*
 		     * This is where we can choose to issue a delegation.
 		     */
-		    if (delegate == 0 || writedeleg == 0 ||
+		    if ((new_stp->ls_flags & NFSLCK_WANTNODELEG) != 0)
+			*rflagsp |= NFSV4OPEN_WDNOTWANTED;
+		    else if (nfsrv_issuedelegs == 0)
+			*rflagsp |= NFSV4OPEN_WDSUPPFTYPE;
+		    else if (NFSRV_V4DELEGLIMIT(nfsrv_delegatecnt))
+			*rflagsp |= NFSV4OPEN_WDRESOURCE;
+		    else if (delegate == 0 || writedeleg == 0 ||
 			NFSVNO_EXRDONLY(exp) || (readonly != 0 &&
 			nfsrv_writedelegifpos == 0) ||
 			!NFSVNO_DELEGOK(vp) ||
@@ -3105,11 +3111,6 @@ tryagain:
 			(clp->lc_flags & (LCL_CALLBACKSON | LCL_CBDOWN)) !=
 			 LCL_CALLBACKSON)
 			*rflagsp |= NFSV4OPEN_WDCONTENTION;
-		    else if (nfsrv_issuedelegs == 0 ||
-			NFSRV_V4DELEGLIMIT(nfsrv_delegatecnt))
-			*rflagsp |= NFSV4OPEN_WDRESOURCE;
-		    else if ((new_stp->ls_flags & NFSLCK_WANTNODELEG) != 0)
-			*rflagsp |= NFSV4OPEN_WDNOTWANTED;
 		    else {
 			new_deleg->ls_stateid.seqid = delegstateidp->seqid = 1;
 			new_deleg->ls_stateid.other[0] = delegstateidp->other[0]
@@ -3160,16 +3161,17 @@ tryagain:
 		    /*
 		     * This is where we can choose to issue a delegation.
 		     */
-		    if (delegate == 0 || (writedeleg == 0 && readonly == 0) ||
-			!NFSVNO_DELEGOK(vp) ||
+		    if ((new_stp->ls_flags & NFSLCK_WANTNODELEG) != 0)
+			*rflagsp |= NFSV4OPEN_WDNOTWANTED;
+		    else if (nfsrv_issuedelegs == 0)
+			*rflagsp |= NFSV4OPEN_WDSUPPFTYPE;
+		    else if (NFSRV_V4DELEGLIMIT(nfsrv_delegatecnt))
+			*rflagsp |= NFSV4OPEN_WDRESOURCE;
+		    else if (delegate == 0 || (writedeleg == 0 &&
+			readonly == 0) || !NFSVNO_DELEGOK(vp) ||
 			(clp->lc_flags & (LCL_CALLBACKSON | LCL_CBDOWN)) !=
 			 LCL_CALLBACKSON)
 			*rflagsp |= NFSV4OPEN_WDCONTENTION;
-		    else if (nfsrv_issuedelegs == 0 ||
-			NFSRV_V4DELEGLIMIT(nfsrv_delegatecnt))
-			*rflagsp |= NFSV4OPEN_WDRESOURCE;
-		    else if ((new_stp->ls_flags & NFSLCK_WANTNODELEG) != 0)
-			*rflagsp |= NFSV4OPEN_WDNOTWANTED;
 		    else {
 			new_deleg->ls_stateid.seqid = delegstateidp->seqid = 1;
 			new_deleg->ls_stateid.other[0] = delegstateidp->other[0]



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