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Add a "-m" option to nfsstat, which dumps out the

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actual options used by all NFS mounts. Works for
the new/default NFS client only.

Reviewed by:	alfred
MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2012-12-02 01:20:43 +00:00
parent 99d2727d67
commit a6c903b8d4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=243783
1 changed files with 24 additions and 2 deletions
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26
usr.bin/nfsstat/nfsstat.c
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@ -107,14 +107,36 @@ main(int argc, char **argv)
int ch; int ch;
char *memf, *nlistf; char *memf, *nlistf;
char errbuf[_POSIX2_LINE_MAX]; char errbuf[_POSIX2_LINE_MAX];
int mntlen, i;
char buf[1024];
struct statfs *mntbuf;
struct nfscl_dumpmntopts dumpmntopts;
interval = 0; interval = 0;
memf = nlistf = NULL; 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) { switch(ch) {
case 'M': case 'M':
memf = optarg; memf = optarg;
break; 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': case 'N':
nlistf = optarg; nlistf = optarg;
break; break;
@ -646,7 +668,7 @@ void
usage(void) usage(void)
{ {
(void)fprintf(stderr, (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); exit(1);
} }