Merge branch 'atomic-writes'

[fio.git] / dataplacement.h

diff --git a/dataplacement.h b/dataplacement.h
index 72bd4c08920db1e0a6d675727e888ad2d5ac3e23..84b7be5b407fe1811e77d2cfe5461d8c612a0de0 100644 (file)
--- a/dataplacement.h
+++ b/dataplacement.h
@@ -3,17 +3,25 @@
 
 #include "io_u.h"
 
-#define FDP_DIR_DTYPE  2
-#define FDP_MAX_RUHS   128
+#define STREAMS_DIR_DTYPE      1
+#define FDP_DIR_DTYPE          2
+#define FIO_MAX_DP_IDS                 128
+#define DP_MAX_SCHEME_ENTRIES  32
 
 /*
  * How fio chooses what placement identifier to use next. Choice of
  * uniformly random, or roundrobin.
  */
+enum {
+       FIO_DP_RANDOM   = 0x1,
+       FIO_DP_RR       = 0x2,
+       FIO_DP_SCHEME   = 0x3,
+};
 
 enum {
-       FIO_FDP_RANDOM  = 0x1,
-       FIO_FDP_RR      = 0x2,
+       FIO_DP_NONE     = 0x0,
+       FIO_DP_FDP      = 0x1,
+       FIO_DP_STREAMS  = 0x2,
 };
 
 struct fio_ruhs_info {
@@ -22,6 +30,17 @@ struct fio_ruhs_info {
        uint16_t plis[];
 };
 
+struct fio_ruhs_scheme_entry {
+       unsigned long long start_offset;
+       unsigned long long end_offset;
+       uint16_t pli;
+};
+
+struct fio_ruhs_scheme {
+       uint16_t nr_schemes;
+       struct fio_ruhs_scheme_entry scheme_entries[DP_MAX_SCHEME_ENTRIES];
+};
+
 int dp_init(struct thread_data *td);
 void fdp_free_ruhs_info(struct fio_file *f);
 void dp_fill_dspec_data(struct thread_data *td, struct io_u *io_u);