Re-seed random generator when a file is reset
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/filesetup.c b/filesetup.c
index 478bda8..d0aef21 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -1073,7 +1073,7 @@
f->fd = -1;
f->shadow_fd = -1;
- fio_file_reset(f);
+ fio_file_reset(td, f);
if (td->files_size <= td->files_index) {
unsigned int new_size = td->o.nr_files + 1;
@@ -1319,7 +1319,7 @@
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);
@@ -1359,3 +1359,13 @@
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]);
+}