#include "smalloc.h"
#include "filehash.h"
#include "os/os.h"
+#include "hash.h"
#ifdef FIO_HAVE_LINUX_FALLOCATE
#include <linux/falloc.h>
return ret;
}
-static int file_lookup_open(struct fio_file *f, int flags)
+int file_lookup_open(struct fio_file *f, int flags)
{
struct fio_file *__f;
int from_hash;
if (f->io_size == -1ULL)
total_size = -1ULL;
- else
+ else {
+ if (td->o.size_percent)
+ f->io_size = (f->io_size * td->o.size_percent) / 100;
total_size += f->io_size;
+ }
if (f->filetype == FIO_TYPE_FILE &&
(f->io_size + f->file_offset) > f->real_file_size &&
}
}
- if (td->o.size_percent)
- total_size = (total_size * td->o.size_percent) / 100;
-
if (!td->o.size || td->o.size > total_size)
td->o.size = total_size;
*/
if (need_extend) {
temp_stall_ts = 1;
- if (!terse_output)
+ if (output_format == FIO_OUTPUT_NORMAL)
log_info("%s: Laying out IO file(s) (%u file(s) /"
" %lluMB)\n", td->o.name, need_extend,
extend_size >> 20);
return 1;
}
+static int __init_rand_distribution(struct thread_data *td, struct fio_file *f)
+{
+ unsigned int range_size, seed;
+ unsigned long nranges;
+
+ range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
+
+ nranges = (f->real_file_size + range_size - 1) / range_size;
+
+ seed = jhash(f->file_name, strlen(f->file_name), 0) * td->thread_number;
+ if (!td->o.rand_repeatable)
+ seed = td->rand_seeds[4];
+
+ if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
+ zipf_init(&f->zipf, nranges, td->o.zipf_theta, seed);
+ else
+ pareto_init(&f->zipf, nranges, td->o.pareto_h, seed);
+
+ return 1;
+}
+
+static int init_rand_distribution(struct thread_data *td)
+{
+ struct fio_file *f;
+ unsigned int i;
+ int state;
+
+ if (td->o.random_distribution == FIO_RAND_DIST_RANDOM)
+ return 0;
+
+ state = td->runstate;
+ td_set_runstate(td, TD_SETTING_UP);
+ for_each_file(td, f, i)
+ __init_rand_distribution(td, f);
+ td_set_runstate(td, state);
+
+ return 1;
+}
+
int init_random_map(struct thread_data *td)
{
unsigned long long blocks, num_maps;
struct fio_file *f;
unsigned int i;
+ if (init_rand_distribution(td))
+ return 0;
if (td->o.norandommap || !td_random(td))
return 0;