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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Sun, 16 Dec 2012 14:10:13 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject: svn commit: r244291 - stable/9/usr.bin/nfsstat
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Author: rmacklem
Date: Sun Dec 16 14:10:12 2012
New Revision: 244291
URL: http://svnweb.freebsd.org/changeset/base/244291

Log:
  MFC: r243783
  Add a "-m" option to nfsstat, which dumps out the
  actual options used by all NFS mounts. Works for
  the new/default NFS client only.

Modified:
  stable/9/usr.bin/nfsstat/nfsstat.c
Directory Properties:
  stable/9/usr.bin/nfsstat/   (props changed)

Modified: stable/9/usr.bin/nfsstat/nfsstat.c
==============================================================================
--- stable/9/usr.bin/nfsstat/nfsstat.c	Sun Dec 16 14:09:18 2012	(r244290)
+++ stable/9/usr.bin/nfsstat/nfsstat.c	Sun Dec 16 14:10:12 2012	(r244291)
@@ -107,14 +107,36 @@ main(int argc, char **argv)
 	int ch;
 	char *memf, *nlistf;
 	char errbuf[_POSIX2_LINE_MAX];
+	int mntlen, i;
+	char buf[1024];
+	struct statfs *mntbuf;
+	struct nfscl_dumpmntopts dumpmntopts;
 
 	interval = 0;
 	memf = nlistf = NULL;
-	while ((ch = getopt(argc, argv, "cesWM:N:ow:z")) != -1)
+	while ((ch = getopt(argc, argv, "cesWM:mN:ow:z")) != -1)
 		switch(ch) {
 		case 'M':
 			memf = optarg;
 			break;
+		case 'm':
+			/* Display mount options for NFS mount points. */
+			mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
+			for (i = 0; i < mntlen; i++) {
+				if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
+					dumpmntopts.ndmnt_fname =
+					    mntbuf->f_mntonname;
+					dumpmntopts.ndmnt_buf = buf;
+					dumpmntopts.ndmnt_blen = sizeof(buf);
+					if (nfssvc(NFSSVC_DUMPMNTOPTS,
+					    &dumpmntopts) >= 0)
+						printf("%s on %s\n%s\n",
+						    mntbuf->f_mntfromname,
+						    mntbuf->f_mntonname, buf);
+				}
+				mntbuf++;
+			}
+			exit(0);
 		case 'N':
 			nlistf = optarg;
 			break;
@@ -646,7 +668,7 @@ void
 usage(void)
 {
 	(void)fprintf(stderr,
-	    "usage: nfsstat [-ceoszW] [-M core] [-N system] [-w wait]\n");
+	    "usage: nfsstat [-cemoszW] [-M core] [-N system] [-w wait]\n");
 	exit(1);
 }