diff options
Diffstat (limited to 'support/nfs/nfssvc.c')
-rw-r--r-- | support/nfs/nfssvc.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/support/nfs/nfssvc.c b/support/nfs/nfssvc.c index 38240a0..c51ace1 100644 --- a/support/nfs/nfssvc.c +++ b/support/nfs/nfssvc.c @@ -12,15 +12,46 @@ #include <unistd.h> #include <fcntl.h> +#include <errno.h> +#include <syslog.h> #include "nfslib.h" +static void +nfssvc_versbits(unsigned int ctlbits) +{ + int fd, n, off; + char buf[BUFSIZ], *ptr; + + ptr = buf; + off = 0; + fd = open("/proc/fs/nfsd/versions", O_WRONLY); + if (fd < 0) + return; + + for (n = NFSD_MINVERS; n <= NFSD_MAXVERS; n++) { + if (NFSCTL_VERISSET(ctlbits, n)) + off += snprintf(ptr+off, BUFSIZ - off, "+%d ", n); + else + off += snprintf(ptr+off, BUFSIZ - off, "-%d ", n); + } + snprintf(ptr+off, BUFSIZ - off, "\n"); + if (write(fd, buf, strlen(buf)) != strlen(buf)) { + syslog(LOG_ERR, "nfssvc: Setting version failed: errno %d (%s)", + errno, strerror(errno)); + } + close(fd); + + return; +} int -nfssvc(int port, int nrservs) +nfssvc(int port, int nrservs, unsigned int versbits) { struct nfsctl_arg arg; int fd; + nfssvc_versbits(versbits); + fd = open("/proc/fs/nfsd/threads", O_WRONLY); if (fd < 0) fd = open("/proc/fs/nfs/threads", O_WRONLY); |