return ret;
}
-unsigned long long get_start_offset(struct thread_data *td)
+uint64_t get_start_offset(struct thread_data *td)
{
return td->o.start_offset +
(td->thread_number - 1) * td->o.offset_increment;
{
unsigned int range_size, seed;
unsigned long nranges;
+ uint64_t file_size;
range_size = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
+ file_size = min(f->real_file_size, f->io_size);
- nranges = (f->io_size + range_size - 1) / range_size;
+ nranges = (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)
return 0;
for_each_file(td, f, i) {
- blocks = (f->real_file_size + td->o.rw_min_bs - 1) /
+ uint64_t file_size = min(f->real_file_size, f->io_size);
+
+ blocks = (file_size + td->o.rw_min_bs - 1) /
(unsigned long long) td->o.rw_min_bs;
if (td->o.random_generator == FIO_RAND_GEN_LFSR) {
unsigned long seed;
f->fd = -1;
f->shadow_fd = -1;
- fio_file_reset(f);
+ fio_file_reset(td, f);
if (td->files_size <= td->files_index) {
- int new_size = td->o.nr_files + 1;
+ unsigned int new_size = td->o.nr_files + 1;
dprint(FD_FILE, "resize file array to %d files\n", new_size);
td->files = realloc(td->files, new_size * sizeof(f));
+ if (td->files == NULL) {
+ log_err("fio: realloc OOM\n");
+ assert(0);
+ }
td->files_size = new_size;
}
td->files[cur_files] = f;
assert(0);
}
__f->fd = -1;
- fio_file_reset(__f);
+ fio_file_reset(td, __f);
if (f->file_name) {
__f->file_name = smalloc_strdup(f->file_name);
td->files_index = 0;
td->nr_normal_files = 0;
}
+
+void fio_file_reset(struct thread_data *td, struct fio_file *f)
+{
+ f->last_pos = f->file_offset;
+ f->last_start = -1ULL;
+ if (f->io_axmap)
+ axmap_reset(f->io_axmap);
+ if (td->o.random_generator == FIO_RAND_GEN_LFSR)
+ lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
+}