Attempt to load missing targets using modprobe.

1 files changed, 64 insertions, 0 deletions

diff --git a/lib/misc/lvm-exec.c b/lib/misc/lvm-exec.c
new file mode 100644
index 00000000..209a2cc5
--- /dev/null
+++ b/lib/misc/lvm-exec.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.  
+ * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "lib.h"
+#include "lvm-exec.h"
+
+#include <unistd.h>
+#include <sys/wait.h>
+
+/*
+ * Execute and wait for external command
+ */
+int exec_cmd(const char *command, const char *fscmd, const char *lv_path,
+	     const char *size)
+{
+	pid_t pid;
+	int status;
+
+	log_verbose("Executing: %s %s %s %s", command, fscmd, lv_path, size);
+
+	if ((pid = fork()) == -1) {
+		log_error("fork failed: %s", strerror(errno));
+		return 0;
+	}
+
+	if (!pid) {
+		/* Child */
+		/* FIXME Use execve directly */
+		execlp(command, command, fscmd, lv_path, size, NULL);
+		log_sys_error("execlp", command);
+		exit(errno);
+	}
+
+	/* Parent */
+	if (wait4(pid, &status, 0, NULL) != pid) {
+		log_error("wait4 child process %u failed: %s", pid,
+			  strerror(errno));
+		return 0;
+	}
+
+	if (!WIFEXITED(status)) {
+		log_error("Child %u exited abnormally", pid);
+		return 0;
+	}
+
+	if (WEXITSTATUS(status)) {
+		log_error("%s failed: %u", command, WEXITSTATUS(status));
+		return 0;
+	}
+
+	return 1;
+}