Author: rmacklem
Date: Sun Dec 2 01:20:43 2012
New Revision: 243783
URL: http://svnweb.freebsd.org/changeset/base/243783
Log:
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.
Reviewed by: alfred
MFC after: 2 weeks
Modified:
head/usr.bin/nfsstat/nfsstat.c
Modified: head/usr.bin/nfsstat/nfsstat.c
==============================================================================
--- head/usr.bin/nfsstat/nfsstat.c Sun Dec 2 01:16:04 2012
(r243782)
+++ head/usr.bin/nfsstat/nfsstat.c Sun Dec 2 01:20:43 2012
(r243783)
@@ -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);
}
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