Imported reiserfsprogs-3.6.20

2012-10-11 11:32:09 -04:00
1 parent 0ed773997f
commit dac518d099
@@ -0,0 +1,89 @@
+/*
+ *  Copyright 2000-2004 by Hans Reiser, licensing governed by 
+ *  reiserfsprogs/README
+ */
+
+#ifndef REISERFS_BITMAP_H
+#define REISERFS_BITMAP_H
+
+#include "reiserfs/types.h"
+#include <stdio.h>
+
+#define reiserfs_bmap_nr(count, blk_size) \
+	((count - 1) / (blk_size * 8) + 1)
+
+#define reiserfs_bmap_over(nr) (nr > ((1ll << 16) - 1))
+
+extern reiserfs_bitmap_t *reiserfs_bitmap_create (unsigned int bit_count);
+
+extern int reiserfs_bitmap_open(reiserfs_filsys_t *);
+
+extern void reiserfs_bitmap_delete (reiserfs_bitmap_t * bm);
+
+extern void reiserfs_bitmap_free (reiserfs_filsys_t *);
+
+extern void reiserfs_bitmap_close (reiserfs_filsys_t *);
+
+extern int reiserfs_bitmap_flush (reiserfs_bitmap_t * bm, 
+				  reiserfs_filsys_t * fs);
+
+extern int reiserfs_bitmap_expand (reiserfs_bitmap_t * bm, 
+				   unsigned int bit_count);
+
+extern void reiserfs_bitmap_shrink (reiserfs_bitmap_t * bm, 
+				    unsigned int bit_count);
+
+extern void reiserfs_bitmap_copy (reiserfs_bitmap_t * to, 
+				  reiserfs_bitmap_t * from);
+
+extern int reiserfs_bitmap_compare (reiserfs_bitmap_t * bm1, 
+				    reiserfs_bitmap_t * bm2);
+
+extern void reiserfs_bitmap_disjunction (reiserfs_bitmap_t * disk, 
+					 reiserfs_bitmap_t * cont);
+
+extern void reiserfs_bitmap_delta (reiserfs_bitmap_t * base, 
+				   reiserfs_bitmap_t * exclude);
+
+extern void reiserfs_bitmap_set_bit (reiserfs_bitmap_t * bm, 
+				     unsigned int bit_number);
+
+extern void reiserfs_bitmap_clear_bit (reiserfs_bitmap_t * bm, 
+				       unsigned int bit_number);
+
+extern int reiserfs_bitmap_test_bit (reiserfs_bitmap_t * bm, 
+				     unsigned int bit_number);
+
+extern int reiserfs_bitmap_find_zero_bit (reiserfs_bitmap_t * bm, 
+					  unsigned long * start);
+
+extern void reiserfs_bitmap_zero (reiserfs_bitmap_t * bm);
+
+extern void reiserfs_bitmap_fill (reiserfs_bitmap_t * bm);
+
+extern void reiserfs_bitmap_invert (reiserfs_bitmap_t * bm);
+
+extern unsigned int reiserfs_bitmap_ones (reiserfs_bitmap_t * bm);
+
+extern unsigned int reiserfs_bitmap_zeros (reiserfs_bitmap_t * bm);
+
+extern int reiserfs_bitmap_spread (reiserfs_filsys_t *);
+
+extern int reiserfs_bitmap_block (reiserfs_filsys_t *, 
+				  unsigned long block);
+
+/* Backup copies. */
+extern void reiserfs_bitmap_save (FILE * fp, 
+				  reiserfs_bitmap_t *bm);
+
+extern reiserfs_bitmap_t * reiserfs_bitmap_load (FILE * fp);
+
+extern void reiserfs_bitmap_print (FILE * fp, reiserfs_filsys_t * fs, 
+				   int silent);
+
+extern void reiserfs_print_bmap_block (FILE * fp, int i, 
+				       unsigned long block, 
+				       char * map, int blocks, 
+				       int silent, int blocksize);
+
+#endif