From mboxrd@z Thu Jan  1 00:00:00 1970
From: teigland@sourceware.org <teigland@sourceware.org>
Date: 6 Jun 2007 15:44:49 -0000
Subject: [Cluster-devel] cluster/group/gfs_controld recover.c
Message-ID: <20070606154449.28204.qmail@sourceware.org>
List-Id: <cluster-devel.redhat.com>
To: cluster-devel.redhat.com
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CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	teigland at sourceware.org	2007-06-06 15:44:49

Modified files:
	group/gfs_controld: recover.c 

Log message:
	return a different error number to mount.gfs for each specific failure
	case, so mount can translate that into a helpful error message

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/group/gfs_controld/recover.c.diff?cvsroot=cluster&r1=1.29&r2=1.30

--- cluster/group/gfs_controld/recover.c	2007/04/26 19:01:34	1.29
+++ cluster/group/gfs_controld/recover.c	2007/06/06 15:44:49	1.30
@@ -1537,7 +1537,7 @@
 
 	if (strcmp(mg->dev, dev)) {
 		log_error("different fs dev %s with same name", mg->dev);
-		return -EINVAL;
+		return -EADDRINUSE;
 	}
 
 	if (find_mountpoint(mg, dir)) {
@@ -1575,14 +1575,14 @@
 	struct mountgroup *mg = NULL;
 	char table2[MAXLINE];
 	char *cluster = NULL, *name = NULL;
-	int rv;
+	int rv, new_mg = 0;
 
 	log_debug("mount: %s %s %s %s %s %s",
 		  dir, type, proto, table, options, dev);
 
 	if (strcmp(proto, "lock_dlm")) {
 		log_error("mount: lockproto %s not supported", proto);
-		rv = -EINVAL;
+		rv = -EPROTONOSUPPORT;
 		goto out;
 	}
 
@@ -1590,7 +1590,7 @@
 	    strstr(options, "first=") ||
 	    strstr(options, "id=")) {
 		log_error("mount: jid, first and id are reserved options");
-		rv = -EINVAL;
+		rv = -EOPNOTSUPP;
 		goto out;
 	}
 
@@ -1601,7 +1601,7 @@
 
 	name = strstr(table2, ":");
 	if (!name) {
-		rv = -EINVAL;
+		rv = -EBADFD;
 		goto out;
 	}
 
@@ -1625,6 +1625,7 @@
 		rv = -ENOMEM;
 		goto out;
 	}
+	new_mg = 1;
 
 	mg->mount_client = ci;
 	strncpy(mg->type, type, sizeof(mg->type));
@@ -1634,7 +1635,7 @@
 
 	if (strlen(cluster) != strlen(clustername) ||
 	    strlen(cluster) == 0 || strcmp(cluster, clustername)) {
-		rv = -1;
+		rv = -EBADR;
 		log_error("mount: fs requires cluster=\"%s\" current=\"%s\"",
 			  cluster, clustername);
 		goto out;
@@ -1646,7 +1647,7 @@
 		mg->spectator = 1;
 	} else {
 		if (!we_are_in_fence_domain()) {
-			rv = -EINVAL;
+			rv = -ENOANO;
 			log_error("mount: not in default fence domain");
 			goto out;
 		}
@@ -1656,7 +1657,7 @@
 		mg->rw = 1;
 	else if (strstr(options, "ro")) {
 		if (mg->spectator) {
-			rv = -EINVAL;
+			rv = -EROFS;
 			log_error("mount: readonly invalid with spectator");
 			goto out;
 		}
@@ -1664,7 +1665,7 @@
 	}
 
 	if (strlen(options) > MAX_OPTIONS_LEN-1) {
-		rv = -EINVAL;
+		rv = -EMLINK;
 		log_error("mount: options too long %d", strlen(options));
 		goto out;
 	}
@@ -1673,8 +1674,12 @@
 	group_join(gh, name);
 	rv = 0;
  out:
-	*mg_ret = mg;
-	log_group(mg, "do_mount: rv %d", rv);
+	if (mg) {
+		*mg_ret = mg;
+		log_group(mg, "do_mount: rv %d", rv);
+	}
+	if (rv && new_mg)
+		free(mg);
 	return rv;
 }