X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=support%2Fnfs%2Fcacheio.c;h=77facb1eaccc7158dedef07f08db8c0bef448017;hp=2af4fa3e3e8ce58b319c06cbb0253f2aca792221;hb=2d33968c66860ad772aac918992986fe4865b3a4;hpb=1275be70ca6cd6c4bec07a3381f7b510086c5526

diff --git a/support/nfs/cacheio.c b/support/nfs/cacheio.c
index 2af4fa3..77facb1 100644
--- a/support/nfs/cacheio.c
+++ b/support/nfs/cacheio.c
@@ -230,3 +230,39 @@ check_new_cache(void)
 	return (stat("/proc/fs/nfs/filehandle", &stb) == 0);
 }	
 
+
+/* flush the kNFSd caches.
+ * Set the flush time to the mtime of _PATH_ETAB or
+ * if force, to now.
+ * the caches to flush are:
+ *  auth.unix.ip nfsd.export nfsd.fh
+ */
+
+void
+cache_flush(int force)
+{
+	struct stat stb;
+	int c;
+	char stime[20];
+	char path[200];
+	static char *cachelist[] = {
+		"auth.unix.ip",
+		"nfsd.export",
+		"nfsd.fh",
+		NULL
+	};
+	stb.st_mtime = time(0);
+	if (!force)
+		stat(_PATH_ETAB, &stb);
+	
+	sprintf(stime, "%ld\n", stb.st_mtime);
+	for (c=0; cachelist[c]; c++) {
+		int fd;
+		sprintf(path, "/proc/net/rpc/%s/flush", cachelist[c]);
+		fd = open(path, O_RDWR);
+		if (fd) {
+			write(fd, stime, strlen(stime));
+			close(fd);
+		}
+	}
+}