Imported reiserfsprogs-3.6.21

fsck/pass4.c

@@ -0,0 +1,90 @@
+/*
+ * Copyright 1996-2004 by Hans Reiser, licensing governed by 
+ * reiserfsprogs/README
+ */
+
+#include "fsck.h"
+
+void pass_4_check_unaccessed_items (void)
+{
+    struct key key;
+    struct path path;
+    int i;
+    struct buffer_head * bh;
+    struct item_head * ih;
+    unsigned long items;
+    struct key * rdkey;
+
+    path.path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
+    key = root_dir_key;
+    
+    fsck_progress ("Pass 4 - ");
+    items = 0;
+
+    while (reiserfs_search_by_key_4 (fs, &key, &path) == ITEM_FOUND) {
+	bh = PATH_PLAST_BUFFER (&path);
+
+	/* print ~ how many leaves were scanned and how fast it was */
+	if (!fsck_quiet (fs))
+	    print_how_fast (items++, 0, 50, 0);
+
+	for (i = get_item_pos (&path), ih = get_ih (&path); i < B_NR_ITEMS (bh); i ++, ih ++) {
+	    if (!is_item_reachable (ih)) {
+		PATH_LAST_POSITION (&path) = i;
+		rdkey = reiserfs_next_key(&path);
+		if (rdkey)
+		    key = *rdkey;
+		else
+		    memset (&key, 0xff, KEY_SIZE);	
+		
+		pass_4_stat (fs)->deleted_items ++;
+	
+		reiserfsck_delete_item (&path, 0);
+
+		goto cont;
+	    }
+	
+	    if (get_ih_flags(ih) != 0) {
+		clean_ih_flags(ih);
+		mark_buffer_dirty(bh);
+	    }
+	    
+	}
+	PATH_LAST_POSITION(&path) = i - 1;
+	rdkey = reiserfs_next_key (&path);
+	if (rdkey)
+	    key = *rdkey;
+	else
+	    memset (&key, 0xff, KEY_SIZE);	
+	
+	pathrelse (&path);
+
+    cont:
+	/* to make gcc 3.2 do not sware here */;
+    }
+
+    pathrelse (&path);
+
+    fsck_progress ("finished\n");
+    stage_report (4, fs);
+
+    /* after pass 4 */
+
+    /* put bitmap on place */
+    reiserfs_bitmap_copy (fs->fs_bitmap2, fsck_new_bitmap (fs));
+
+    /* update super block */
+    set_sb_free_blocks (fs->fs_ondisk_sb, reiserfs_bitmap_zeros (fsck_new_bitmap (fs)));
+    mark_buffer_dirty (fs->fs_super_bh);
+
+    /* write all dirty blocks */
+    fsck_progress ("Flushing..");
+    fs->fs_dirt = 1;
+    id_map_flush(proper_id_map (fs), fs);
+    reiserfs_flush_to_ondisk_bitmap (fs->fs_bitmap2, fs);
+    reiserfs_flush (fs);
+    fsck_progress ("finished\n");
+
+    
+    return;
+}