Initial commit -- seeded with reiserfsprogs 3.x.0j

resize_reiserfs/fe.c

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
+ */
+
+#include "resize.h"
+
+
+/* the front-end for kernel on-line resizer */
+int resize_fs_online(char * devname, unsigned long blocks)
+{
+	static char buf[40];
+	FILE * f;
+	struct mntent * mnt;
+	
+	if ((f = setmntent (MOUNTED, "r")) == NULL)
+		goto fail;
+
+    while ((mnt = getmntent (f)) != NULL)
+        if(strcmp(devname, mnt->mnt_fsname) == 0) {
+
+			if (strcmp(mnt->mnt_type,"reiserfs")) 			
+				die ("resize_reiserfs: can\'t resize fs other than reiserfs\n");
+				
+			sprintf(buf,"resize=%lu", blocks);
+
+			if (mount(mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type,
+          			  (unsigned long)(MS_MGC_VAL | MS_REMOUNT), buf)) 
+				die ("resize_reiserfs: remount failed: %s\n", strerror(errno));
+			
+			endmntent(f);
+			return 0;
+		}
+fail:
+   die ("resize_reiserfs: can't find mount entry\n");
+   return 1;
+}
+