* of the file creation.
*/
#include <stdio.h>
-#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "../fio.h"
-#include "../filehash.h"
+
+struct fc_data {
+ enum fio_ddir stat_ddir;
+};
static int open_file(struct thread_data *td, struct fio_file *f)
{
- struct timespec start, end;
- int from_hash = 0;
+ struct timespec start;
int do_lat = !td->o.disable_lat;
dprint(FD_FILE, "fd open %s\n", f->file_name);
return 1;
}
-open_again:
if (do_lat)
fio_gettime(&start, NULL);
- from_hash = file_lookup_open(f, O_CREAT|O_RDWR);
- if (do_lat) {
- unsigned long long nsec;
- fio_gettime(&end, NULL);
- nsec = ntime_since(&start, &end);
- add_lat_sample(td, DDIR_WRITE, nsec, 0, 0);
- }
+ f->fd = open(f->file_name, O_CREAT|O_RDWR, 0600);
if (f->fd == -1) {
char buf[FIO_VERROR_SIZE];
snprintf(buf, sizeof(buf), "open(%s)", f->file_name);
td_verror(td, e, buf);
+ return 1;
}
- if (!from_hash && f->fd != -1) {
- if (add_file_hash(f)) {
- int fio_unused ret;
+ if (do_lat) {
+ struct fc_data *data = td->io_ops_data;
+ uint64_t nsec;
- /*
- * OK to ignore, we haven't done anything with it
- */
- ret = generic_close_file(td, f);
- goto open_again;
- }
+ nsec = ntime_since_now(&start);
+ add_clat_sample(td, data->stat_ddir, nsec, 0, 0);
}
return 0;
}
-static int queue_io(struct thread_data *td, struct io_u fio_unused *io_u)
+static enum fio_q_status queue_io(struct thread_data *td,
+ struct io_u fio_unused *io_u)
{
return FIO_Q_COMPLETED;
}
+/*
+ * Ensure that we at least have a block size worth of IO to do for each
+ * file. If the job file has td->o.size < nr_files * block_size, then
+ * fio won't do anything.
+ */
+static int get_file_size(struct thread_data *td, struct fio_file *f)
+{
+ f->real_file_size = td_min_bs(td);
+ return 0;
+}
+
+static int init(struct thread_data *td)
+{
+ struct fc_data *data;
+
+ data = calloc(1, sizeof(*data));
+
+ if (td_read(td))
+ data->stat_ddir = DDIR_READ;
+ else if (td_write(td))
+ data->stat_ddir = DDIR_WRITE;
+
+ td->io_ops_data = data;
+ return 0;
+}
+
+static void cleanup(struct thread_data *td)
+{
+ struct fc_data *data = td->io_ops_data;
+
+ free(data);
+}
+
static struct ioengine_ops ioengine = {
.name = "filecreate",
.version = FIO_IOOPS_VERSION,
- .open_file = open_file,
+ .init = init,
+ .cleanup = cleanup,
.queue = queue_io,
+ .get_file_size = get_file_size,
+ .open_file = open_file,
.close_file = generic_close_file,
- .flags = FIO_DISKLESSIO | FIO_SYNCIO | FIO_FAKEIO,
+ .flags = FIO_DISKLESSIO | FIO_SYNCIO | FIO_FAKEIO |
+ FIO_NOSTATS | FIO_NOFILEHASH,
};
static void fio_init fio_filecreate_register(void)