Add LFSR generator

[fio.git] / file.h

diff --git a/file.h b/file.h
index 42fd58c8d09bb3dd66e4b3d02694282db771c19b..9dd08731e63f7e47ed049fbbca469198da36da39 100644 (file)
--- a/file.h
+++ b/file.h
@@ -5,6 +5,9 @@
 #include "compiler/compiler.h"
 #include "io_ddir.h"
 #include "flist.h"
+#include "lib/zipf.h"
+#include "lib/bitmap.h"
+#include "lib/lfsr.h"
 
 /*
  * The type of object we are working on
@@ -107,10 +110,14 @@ struct fio_file {
        /*
         * block map for random io
         */
-       unsigned long *file_map;
-       unsigned long num_maps;
-       unsigned long last_free_lookup;
-       unsigned failed_rands;
+       struct bitmap *io_bitmap;
+
+       struct fio_lfsr lfsr;
+
+       /*
+        * Used for zipf random distribution
+        */
+       struct zipf_state zipf;
 
        int references;
        enum fio_file_flags flags;
@@ -171,13 +178,11 @@ extern void free_release_files(struct thread_data *);
 
 static inline void fio_file_reset(struct fio_file *f)
 {
-       f->last_free_lookup = 0;
-       f->failed_rands = 0;
        f->last_pos = f->file_offset;
        f->last_start = -1ULL;
        f->file_pos = -1ULL;
-       if (f->file_map)
-               memset(f->file_map, 0, f->num_maps * sizeof(unsigned long));
+       if (f->io_bitmap)
+               bitmap_reset(f->io_bitmap);
 }
 
 #endif