diff --git a/sys/fs/nfs/nfs_commonsubs.c.btime b/sys/fs/nfs/nfs_commonsubs.c
--- a/sys/fs/nfs/nfs_commonsubs.c.btime
+++ b/sys/fs/nfs/nfs_commonsubs.c
@@ -1248,6 +1248,8 @@
 			nap->na_rdev = (NFSDEV_T)0;
 			nap->na_mtime.tv_sec = 0;
 			nap->na_mtime.tv_nsec = 0;
+			nap->na_btime.tv_sec = -1;
+			nap->na_btime.tv_nsec = 0;
 			nap->na_gen = 0;
 			nap->na_flags = 0;
 			nap->na_blocksize = NFS_FABLKSIZE;
diff --git a/sys/fs/nfs/nfsproto.h.btime b/sys/fs/nfs/nfsproto.h
--- a/sys/fs/nfs/nfsproto.h.btime
+++ b/sys/fs/nfs/nfsproto.h
@@ -1227,6 +1227,7 @@
  	NFSATTRBM_RAWDEV |						\
  	NFSATTRBM_SPACEUSED |						\
  	NFSATTRBM_TIMEACCESS |						\
+ 	NFSATTRBM_TIMECREATE |						\
  	NFSATTRBM_TIMEMETADATA |					\
  	NFSATTRBM_TIMEMODIFY)
 
@@ -1258,6 +1259,7 @@
  	NFSATTRBM_RAWDEV |						\
  	NFSATTRBM_SPACEUSED |						\
  	NFSATTRBM_TIMEACCESS |						\
+ 	NFSATTRBM_TIMECREATE |						\
  	NFSATTRBM_TIMEMETADATA |					\
  	NFSATTRBM_TIMEMODIFY)
 
diff --git a/sys/fs/nfsclient/nfs_clcomsubs.c.btime b/sys/fs/nfsclient/nfs_clcomsubs.c
--- a/sys/fs/nfsclient/nfs_clcomsubs.c.btime
+++ b/sys/fs/nfsclient/nfs_clcomsubs.c
@@ -284,6 +284,8 @@
 		fxdr_nfsv3time(&fp->fa3_atime, &nap->na_atime);
 		fxdr_nfsv3time(&fp->fa3_ctime, &nap->na_ctime);
 		fxdr_nfsv3time(&fp->fa3_mtime, &nap->na_mtime);
+		nap->na_btime.tv_sec = -1;
+		nap->na_btime.tv_nsec = 0;
 		nap->na_flags = 0;
 		nap->na_gen = 0;
 		nap->na_filerev = 0;
@@ -315,6 +317,8 @@
 		nap->na_ctime.tv_sec = fxdr_unsigned(u_int32_t,
 		    fp->fa2_ctime.nfsv2_sec);
 		nap->na_ctime.tv_nsec = 0;
+		nap->na_btime.tv_sec = -1;
+		nap->na_btime.tv_nsec = 0;
 		nap->na_gen = fxdr_unsigned(u_int32_t,fp->fa2_ctime.nfsv2_usec);
 		nap->na_filerev = 0;
 	}
diff --git a/sys/fs/nfsclient/nfs_clport.c.btime b/sys/fs/nfsclient/nfs_clport.c
--- a/sys/fs/nfsclient/nfs_clport.c.btime
+++ b/sys/fs/nfsclient/nfs_clport.c
@@ -415,6 +415,8 @@
 	dst->va_atime = src->va_atime;
 	dst->va_mtime = src->va_mtime;
 	dst->va_ctime = src->va_ctime;
+	if (src->va_birthtime.tv_sec != -1)
+		dst->va_birthtime = src->va_birthtime;
 	dst->va_gen = src->va_gen;
 	dst->va_flags = src->va_flags;
 	dst->va_rdev = src->va_rdev;
@@ -466,6 +468,7 @@
 		np->n_vattr.na_size = nap->na_size;
 		np->n_vattr.na_mtime = nap->na_mtime;
 		np->n_vattr.na_ctime = nap->na_ctime;
+		np->n_vattr.na_btime = nap->na_btime;
 		np->n_vattr.na_fsid = nap->na_fsid;
 		np->n_vattr.na_mode = nap->na_mode;
 	} else {
diff --git a/sys/fs/nfsclient/nfs_clrpcops.c.btime b/sys/fs/nfsclient/nfs_clrpcops.c
--- a/sys/fs/nfsclient/nfs_clrpcops.c.btime
+++ b/sys/fs/nfsclient/nfs_clrpcops.c
@@ -1229,7 +1229,7 @@
 }
 
 /*
- * nfs getattr call with non-vnode arguemnts.
+ * nfs getattr call with non-vnode arguments.
  */
 int
 nfsrpc_getattrnovp(struct nfsmount *nmp, u_int8_t *fhp, int fhlen, int syscred,
@@ -3548,6 +3548,9 @@
 		if (gotmnton)
 			NFSSETBIT_ATTRBIT(&attrbits,
 			    NFSATTRBIT_MOUNTEDONFILEID);
+		if (!NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
+		    NFSATTRBIT_TIMECREATE))
+			NFSCLRBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMECREATE);
 	}
 
 	/*
diff --git a/sys/fs/nfsclient/nfs_clvnops.c.btime b/sys/fs/nfsclient/nfs_clvnops.c
--- a/sys/fs/nfsclient/nfs_clvnops.c.btime
+++ b/sys/fs/nfsclient/nfs_clvnops.c
@@ -1024,7 +1024,9 @@
 	 */
   	if ((vap->va_flags != VNOVAL || vap->va_uid != (uid_t)VNOVAL ||
 	    vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL ||
-	    vap->va_mtime.tv_sec != VNOVAL || vap->va_mode != (mode_t)VNOVAL) &&
+	    vap->va_mtime.tv_sec != VNOVAL ||
+	    vap->va_birthtime.tv_sec != VNOVAL ||
+	    vap->va_mode != (mode_t)VNOVAL) &&
 	    (vp->v_mount->mnt_flag & MNT_RDONLY))
 		return (EROFS);
 	if (vap->va_size != VNOVAL) {
@@ -1037,6 +1039,7 @@
  		case VFIFO:
 			if (vap->va_mtime.tv_sec == VNOVAL &&
 			    vap->va_atime.tv_sec == VNOVAL &&
+			    vap->va_birthtime.tv_sec == VNOVAL &&
 			    vap->va_mode == (mode_t)VNOVAL &&
 			    vap->va_uid == (uid_t)VNOVAL &&
 			    vap->va_gid == (gid_t)VNOVAL)
diff --git a/sys/fs/nfsserver/nfs_nfsdserv.c.btime b/sys/fs/nfsserver/nfs_nfsdserv.c
--- a/sys/fs/nfsserver/nfs_nfsdserv.c.btime
+++ b/sys/fs/nfsserver/nfs_nfsdserv.c
@@ -492,6 +492,15 @@
 		}
 	    }
 	    if (!nd->nd_repstat &&
+		NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMECREATE)) {
+		NFSVNO_ATTRINIT(&nva2);
+		NFSVNO_SETATTRVAL(&nva2, btime, nva.na_btime);
+		nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
+		    exp);
+		if (!nd->nd_repstat)
+		    NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_TIMECREATE);
+	    }
+	    if (!nd->nd_repstat &&
 		(NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODE) ||
 		 NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODESETMASKED))) {
 		NFSVNO_ATTRINIT(&nva2);