Imported reiserfsprogs-3.6.20

libutil/badblock.c

@@ -0,0 +1,62 @@
+/*
+ *  Copyright 2000-2004 by Hans Reiser, licensing governed by 
+ *  reiserfsprogs/README
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "util/badblock.h"
+
+int util_badblock_load (reiserfs_filsys_t * fs, char * badblocks_file) {
+    FILE * fd;
+    char buf[128];
+    __u32 blocknr;
+    int count;
+
+    fs->fs_badblocks_bm = 
+	    reiserfs_bitmap_create(reiserfs_sb_get_blocks(fs->fs_ondisk_sb));
+    
+    reiserfs_bitmap_zero (fs->fs_badblocks_bm);
+
+    if (!badblocks_file)
+	return 0;
+    
+    fd = fopen (badblocks_file, "r");
+
+    if (fd == NULL) {
+        fprintf (stderr, "%s: Failed to open the given badblock file '%s'.\n\n",
+        	__FUNCTION__, badblocks_file);
+        return 1;
+    }
+
+
+    while (!feof (fd)) {
+	if (fgets(buf, sizeof(buf), fd) == NULL)
+	    break;
+	count = sscanf(buf, "%u", &blocknr);
+	
+	if (count <= 0)
+	    continue;
+
+	if (blocknr >= reiserfs_sb_get_blocks (fs->fs_ondisk_sb)) {
+	    fprintf (stderr, "%s: block number (%u) points out of fs size "
+		     "(%u).\n", __FUNCTION__, blocknr, 
+		     reiserfs_sb_get_blocks(fs->fs_ondisk_sb));
+	} else if (reiserfs_fs_block(fs, blocknr) != BT_UNKNOWN) {
+	    fprintf (stderr, "%s: block number (%u) belongs to system "
+		     "reiserfs area. It cannot be relocated.\n", 
+		     __FUNCTION__, blocknr);
+	    return 1;
+	} else {
+	    reiserfs_bitmap_set_bit (fs->fs_badblocks_bm, blocknr);
+	} 
+    }
+
+    fclose (fd);
+
+    return 0;
+}
+
+