#include <assert.h>
#include "fio.h"
+#include "diskutil.h"
-static LIST_HEAD(engine_list);
+static FLIST_HEAD(engine_list);
static int check_engine_ops(struct ioengine_ops *ops)
{
void unregister_ioengine(struct ioengine_ops *ops)
{
dprint(FD_IO, "ioengine %s unregistered\n", ops->name);
- list_del(&ops->list);
- INIT_LIST_HEAD(&ops->list);
+ flist_del(&ops->list);
+ INIT_FLIST_HEAD(&ops->list);
}
void register_ioengine(struct ioengine_ops *ops)
{
dprint(FD_IO, "ioengine %s registered\n", ops->name);
- INIT_LIST_HEAD(&ops->list);
- list_add_tail(&ops->list, &engine_list);
+ INIT_FLIST_HEAD(&ops->list);
+ flist_add_tail(&ops->list, &engine_list);
}
static struct ioengine_ops *find_ioengine(const char *name)
{
struct ioengine_ops *ops;
- struct list_head *entry;
+ struct flist_head *entry;
- list_for_each(entry, &engine_list) {
- ops = list_entry(entry, struct ioengine_ops, list);
+ flist_for_each(entry, &engine_list) {
+ ops = flist_entry(entry, struct ioengine_ops, list);
if (!strcmp(name, ops->name))
return ops;
}
{
dprint(FD_IO, "close ioengine %s\n", td->io_ops->name);
- if (td->io_ops->cleanup)
+ if (td->io_ops->cleanup) {
td->io_ops->cleanup(td);
+ td->io_ops->data = NULL;
+ }
if (td->io_ops->dlhandle)
dlclose(td->io_ops->dlhandle);
if (r < 0)
goto out;
}
+ if (max > td->cur_depth)
+ max = td->cur_depth;
+ if (min > max)
+ max = min;
r = 0;
- if (td->io_ops->getevents)
+ if (max && td->io_ops->getevents)
r = td->io_ops->getevents(td, min, max, t);
out:
if (r >= 0)
assert((io_u->flags & IO_U_F_FLIGHT) == 0);
io_u->flags |= IO_U_F_FLIGHT;
- assert(io_u->file->flags & FIO_FILE_OPEN);
+ assert(fio_file_open(io_u->file));
io_u->error = 0;
io_u->resid = 0;
if (td->io_ops->flags & FIO_SYNCIO) {
- fio_gettime(&io_u->issue_time, NULL);
- memcpy(&td->last_issue, &io_u->issue_time,
- sizeof(struct timeval));
+ if (fio_fill_issue_time(td))
+ fio_gettime(&io_u->issue_time, NULL);
/*
- * for a sync engine, set the timeout upfront
+ * only used for iolog
*/
- if (mtime_since(&td->timeout_end, &io_u->issue_time)
- < IO_U_TIMEOUT)
- io_u_set_timeout(td);
+ if (td->o.read_iolog_file)
+ memcpy(&td->last_issue, &io_u->issue_time,
+ sizeof(struct timeval));
}
- if (io_u->ddir != DDIR_SYNC)
+ if (!ddir_sync(io_u->ddir))
td->io_issues[io_u->ddir]++;
ret = td->io_ops->queue(td, io_u);
unlock_file(td, io_u->file);
+ /*
+ * Add warning for O_DIRECT so that users have an easier time
+ * spotting potentially bad alignment. If this triggers for the first
+ * IO, then it's likely an alignment problem or because the host fs
+ * does not support O_DIRECT
+ */
+ if (io_u->error == EINVAL && td->io_issues[io_u->ddir] == 1 &&
+ td->o.odirect) {
+ log_info("fio: first direct IO errored. File system may not "
+ "support direct IO, or iomem_align= is bad.\n");
+ }
+
if (!td->io_ops->commit) {
io_u_mark_submit(td, 1);
io_u_mark_complete(td, 1);
}
if (ret == FIO_Q_COMPLETED) {
- if (io_u->ddir != DDIR_SYNC) {
+ if (!ddir_sync(io_u->ddir)) {
io_u_mark_depth(td, 1);
td->ts.total_io_u[io_u->ddir]++;
}
} else if (ret == FIO_Q_QUEUED) {
int r;
- if (io_u->ddir != DDIR_SYNC) {
+ if (!ddir_sync(io_u->ddir)) {
td->io_u_queued++;
td->ts.total_io_u[io_u->ddir]++;
}
}
if ((td->io_ops->flags & FIO_SYNCIO) == 0) {
- fio_gettime(&io_u->issue_time, NULL);
- memcpy(&td->last_issue, &io_u->issue_time,
- sizeof(struct timeval));
+ if (fio_fill_issue_time(td))
+ fio_gettime(&io_u->issue_time, NULL);
/*
- * async engine, set the timeout here
+ * only used for iolog
*/
- if (ret == FIO_Q_QUEUED &&
- (mtime_since(&td->timeout_end, &io_u->issue_time)
- < IO_U_TIMEOUT)) {
- io_u_set_timeout(td);
- }
+ if (td->o.read_iolog_file)
+ memcpy(&td->last_issue, &io_u->issue_time,
+ sizeof(struct timeval));
}
return ret;
int td_io_open_file(struct thread_data *td, struct fio_file *f)
{
+ assert(!fio_file_open(f));
+ assert(f->fd == -1);
+
if (td->io_ops->open_file(td, f)) {
if (td->error == EINVAL && td->o.odirect)
log_err("fio: destination does not support O_DIRECT\n");
td->o.nr_files);
}
+ assert(f->fd == -1);
+ assert(!fio_file_open(f));
return 1;
}
+ fio_file_reset(f);
+ fio_file_set_open(f);
+ fio_file_clear_closing(f);
+ disk_util_inc(f->du);
+
+ td->nr_open_files++;
+ get_file(f);
+
if (f->filetype == FIO_TYPE_PIPE) {
if (td_random(td)) {
log_err("fio: can't seek on pipes (no random io)\n");
}
}
- fio_file_reset(f);
- f->flags |= FIO_FILE_OPEN;
- f->flags &= ~FIO_FILE_CLOSING;
-
if (td->io_ops->flags & FIO_DISKLESSIO)
goto done;
}
}
- if (f->file_map)
- memset(f->file_map, 0, f->num_maps * sizeof(long));
+#ifdef FIO_OS_DIRECTIO
+ /*
+ * Some OS's have a distinct call to mark the file non-buffered,
+ * instead of using O_DIRECT (Solaris)
+ */
+ if (td->o.odirect) {
+ int ret = fio_set_odirect(f->fd);
+
+ if (ret) {
+ td_verror(td, ret, "fio_set_odirect");
+ goto err;
+ }
+ }
+#endif
done:
log_file(td, f, FIO_LOG_OPEN_FILE);
- td->nr_open_files++;
- get_file(f);
return 0;
err:
+ disk_util_dec(f->du);
if (td->io_ops->close_file)
td->io_ops->close_file(td, f);
return 1;
int td_io_close_file(struct thread_data *td, struct fio_file *f)
{
- if (!(f->flags & FIO_FILE_CLOSING))
+ if (!fio_file_closing(f))
log_file(td, f, FIO_LOG_CLOSE_FILE);
/*
* mark as closing, do real close when last io on it has completed
*/
- f->flags |= FIO_FILE_CLOSING;
+ fio_file_set_closing(f);
+ disk_util_dec(f->du);
unlock_file_all(td, f);
return put_file(td, f);
}
+
+int td_io_get_file_size(struct thread_data *td, struct fio_file *f)
+{
+ if (!td->io_ops->get_file_size)
+ return 0;
+
+ return td->io_ops->get_file_size(td, f);
+}
projects / fio.git / blobdiff