goto err;
}
- b = malloc(td->max_bs[DDIR_WRITE]);
- memset(b, 0, td->max_bs[DDIR_WRITE]);
+ b = malloc(td->o.max_bs[DDIR_WRITE]);
+ memset(b, 0, td->o.max_bs[DDIR_WRITE]);
left = f->file_size;
while (left && !td->terminate) {
- bs = td->max_bs[DDIR_WRITE];
+ bs = td->o.max_bs[DDIR_WRITE];
if (bs > left)
bs = left;
if (td->terminate)
unlink(f->file_name);
- else if (td->create_fsync)
+ else if (td->o.create_fsync)
fsync(f->fd);
free(b);
return 1;
}
+static unsigned long long set_rand_file_size(struct thread_data *td,
+ unsigned long long total_size)
+{
+ unsigned long long upper = total_size;
+ unsigned long long ret;
+ long r;
+
+ if (upper > td->o.file_size_high)
+ upper = td->o.file_size_high;
+ else if (upper < td->o.file_size_low)
+ return 0;
+ else if (!upper)
+ return 0;
+
+ r = os_random_long(&td->file_size_state);
+ ret = td->o.file_size_low + (unsigned long long) ((double) upper * (r / (RAND_MAX + 1.0)));
+ ret -= (ret % td->o.rw_min_bs);
+ if (ret > upper)
+ ret = upper;
+ return ret;
+}
+
static int create_files(struct thread_data *td)
{
struct fio_file *f;
int err, need_create, can_extend;
- unsigned long long total_file_size;
+ unsigned long long total_file_size, local_file_size, create_size;
unsigned int i, new_files;
new_files = 0;
- total_file_size = td->total_file_size;
+ total_file_size = td->o.size;
for_each_file(td, f, i) {
unsigned long long s;
- f->file_offset = td->start_offset;
+ f->file_offset = td->o.start_offset;
if (f->filetype != FIO_TYPE_FILE)
continue;
/*
* unless specifically asked for overwrite, let normal io extend it
*/
- can_extend = !td->overwrite && !(td->io_ops->flags & FIO_NOEXTEND);
+ can_extend = !td->o.overwrite && !(td->io_ops->flags & FIO_NOEXTEND);
if (can_extend)
return 0;
+ local_file_size = total_file_size;
+ if (!local_file_size)
+ local_file_size = -1;
+
+ total_file_size = 0;
need_create = 0;
+ create_size = 0;
for_each_file(td, f, i) {
int file_there;
if (f->filetype != FIO_TYPE_FILE)
continue;
- if (f->flags & FIO_FILE_EXISTS)
+ if (f->flags & FIO_FILE_EXISTS) {
+ total_file_size += f->file_size;
continue;
+ }
- f->file_size = total_file_size / new_files;
+ if (!td->o.file_size_low)
+ f->file_size = total_file_size / new_files;
+ else {
+ /*
+ * If we don't have enough space left for a file
+ * of the minimum size, bail.
+ */
+ if (local_file_size < td->o.file_size_low) {
+ log_info("fio: limited to %d files\n", i);
+ new_files -= (td->o.nr_files - i);
+ td->o.nr_files = i;
+ break;
+ }
+
+ f->file_size = set_rand_file_size(td, local_file_size);
+ local_file_size -= f->file_size;
+ }
+ total_file_size += f->file_size;
+ create_size += f->file_size;
file_there = !file_ok(td, f);
- if (file_there && td_write(td) && !td->overwrite) {
+ if (file_there && td_write(td) && !td->o.overwrite) {
unlink(f->file_name);
file_there = 0;
}
if (!need_create)
return 0;
- if (!td->total_file_size) {
+ if (!td->o.size && !total_file_size) {
log_err("Need size for create\n");
td_verror(td, EINVAL, "file_size");
return 1;
}
temp_stall_ts = 1;
- fprintf(f_out, "%s: Laying out IO file(s) (%u x %LuMiB == %LuMiB)\n",
- td->name, new_files,
- (total_file_size >> 20) / new_files,
- total_file_size >> 20);
+ log_info("%s: Laying out IO file(s) (%u files / %LuMiB)\n",
+ td->o.name, new_files, create_size >> 20);
err = 0;
for_each_file(td, f, i) {
*/
f->flags &= ~FIO_FILE_UNLINK;
if (file_ok(td, f)) {
- if (td->unlink)
+ if (td->o.unlink)
f->flags |= FIO_FILE_UNLINK;
err = create_file(td, f);
{
struct stat st;
- if (td->overwrite) {
+ if (td->o.overwrite) {
if (fstat(f->fd, &st) == -1) {
td_verror(td, errno, "fstat");
return 1;
return ret;
if (f->file_offset > f->real_file_size) {
- log_err("%s: offset extends end (%Lu > %Lu)\n", td->name, f->file_offset, f->real_file_size);
+ log_err("%s: offset extends end (%Lu > %Lu)\n", td->o.name, f->file_offset, f->real_file_size);
return 1;
}
{
int ret = 0;
- if (td->odirect)
+ if (td->o.odirect)
return 0;
/*
*/
if (f->mmap)
ret = madvise(f->mmap, f->file_size, MADV_DONTNEED);
- else if (f->filetype == FIO_TYPE_FILE) {
+ else if (f->filetype == FIO_TYPE_FILE)
ret = fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_DONTNEED);
- } else if (f->filetype == FIO_TYPE_BD) {
+ else if (f->filetype == FIO_TYPE_BD)
ret = blockdev_invalidate_cache(f->fd);
- } else if (f->filetype == FIO_TYPE_CHAR)
+ else if (f->filetype == FIO_TYPE_CHAR)
ret = 0;
if (ret < 0) {
{
int flags = 0;
- if (td->odirect)
+ if (td->o.odirect)
flags |= OS_O_DIRECT;
- if (td->sync_io)
+ if (td->o.sync_io)
flags |= O_SYNC;
if (td_write(td) || td_rw(td)) {
int __e = errno;
td_verror(td, __e, "open");
- if (__e == EINVAL && td->odirect)
+ if (__e == EINVAL && td->o.odirect)
log_err("fio: destination does not support O_DIRECT\n");
if (__e == EMFILE)
- log_err("fio: try reducing/setting openfiles (failed at %u of %u)\n", td->nr_open_files, td->nr_files);
+ log_err("fio: try reducing/setting openfiles (failed at %u of %u)\n", td->nr_open_files, td->o.nr_files);
return 1;
}
if (get_file_size(td, f))
goto err;
- if (td->invalidate_cache && file_invalidate_cache(td, f))
+ if (td->o.invalidate_cache && file_invalidate_cache(td, f))
goto err;
if (!td_random(td)) {
if (err)
break;
- if (td->open_files == td->nr_open_files)
+ if (td->o.open_files == td->nr_open_files)
break;
}
/*
* Recalculate the total file size now that files are set up.
*/
- td->total_file_size = 0;
+ td->o.size = 0;
for_each_file(td, f, i)
- td->total_file_size += f->file_size;
+ td->o.size += f->file_size;
- td->io_size = td->total_file_size;
+ td->io_size = td->o.size;
if (td->io_size == 0) {
- log_err("%s: no io blocks\n", td->name);
+ log_err("%s: no io blocks\n", td->o.name);
td_verror(td, EINVAL, "total_file_size");
return 1;
}
- if (!td->zone_size)
- td->zone_size = td->io_size;
+ if (!td->o.zone_size)
+ td->o.zone_size = td->io_size;
- td->total_io_size = td->io_size * td->loops;
+ td->total_io_size = td->io_size * td->o.loops;
for_each_file(td, f, i)
td_io_close_file(td, f);
free(f->file_map);
}
- td->filename = NULL;
+ td->o.filename = NULL;
td->files = NULL;
- td->nr_files = 0;
+ td->o.nr_files = 0;
}
static void get_file_type(struct fio_file *f)
if (--f->references)
return;
- if (should_fsync(td) && td->fsync_on_close)
+ if (should_fsync(td) && td->o.fsync_on_close)
fsync(f->fd);
if (td->io_ops->close_file)
if (S_ISREG(sb.st_mode)) {
add_file(td, full_path);
- td->nr_files++;
+ td->o.nr_files++;
continue;
}
projects / fio.git / blobdiff