summaryrefslogtreecommitdiffstats
path: root/sys/nfs/nfs_diskless.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/nfs/nfs_diskless.c')
-rw-r--r--sys/nfs/nfs_diskless.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/nfs/nfs_diskless.c b/sys/nfs/nfs_diskless.c
index 3882007..864aae0 100644
--- a/sys/nfs/nfs_diskless.c
+++ b/sys/nfs/nfs_diskless.c
@@ -57,6 +57,8 @@ __FBSDID("$FreeBSD$");
#include <nfsclient/nfs.h>
#include <nfs/nfsdiskless.h>
+#define NFS_IFACE_TIMEOUT_SECS 10 /* Timeout for interface to appear. */
+
static int inaddr_to_sockaddr(char *ev, struct sockaddr_in *sa);
static int hwaddr_to_sockaddr(char *ev, struct sockaddr_dl *sa);
static int decode_nfshandle(char *ev, u_char *fh, int maxfh);
@@ -170,6 +172,7 @@ nfs_setup_diskless(void)
char *cp;
int cnt, fhlen, is_nfsv3;
uint32_t len;
+ time_t timeout_at;
if (nfs_diskless_valid != 0)
return;
@@ -214,6 +217,8 @@ nfs_setup_diskless(void)
return;
}
ifa = NULL;
+ timeout_at = time_uptime + NFS_IFACE_TIMEOUT_SECS;
+retry:
CURVNET_SET(TD_TO_VNET(curthread));
IFNET_RLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
@@ -234,6 +239,10 @@ nfs_setup_diskless(void)
}
IFNET_RUNLOCK();
CURVNET_RESTORE();
+ if (time_uptime < timeout_at) {
+ pause("nfssdl", hz / 5);
+ goto retry;
+ }
printf("nfs_diskless: no interface\n");
return; /* no matching interface */
match_done:
OpenPOWER on IntegriCloud