Add ability to invoke fallocate() FALLOC_FL_KEEP_SIZE.

[fio.git] / file.h

diff --git a/file.h b/file.h
index 7948a4124caddca07d9ddc88b7166193b6546bce..b3ff05148458e1a1d0d5a70e0c0fd874fa892b18 100644 (file)
--- a/file.h
+++ b/file.h
@@ -42,6 +42,16 @@ enum {
        FIO_FSERVICE_SEQ        = 3,
 };
 
+/*
+ * No pre-allocation when laying down files, or call posix_fallocate(), or
+ * call fallocate() with FALLOC_FL_KEEP_SIZE set.
+ */
+enum fio_fallocate_mode {
+       FIO_FALLOCATE_NONE      = 1,
+       FIO_FALLOCATE_POSIX     = 2,
+       FIO_FALLOCATE_KEEP_SIZE = 3,
+};
+
 /*
  * Each thread_data structure has a number of files associated with it,
  * this structure holds state information for a single file.
@@ -96,9 +106,10 @@ struct fio_file {
        /*
         * block map for random io
         */
-       unsigned int *file_map;
+       unsigned long *file_map;
        unsigned int num_maps;
        unsigned int last_free_lookup;
+       unsigned int failed_rands;
 
        int references;
        enum fio_file_flags flags;
@@ -158,11 +169,12 @@ 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(int));
+               memset(f->file_map, 0, f->num_maps * sizeof(unsigned long));
 }
 
 #endif