static FLIST_HEAD(engine_list);
-static int check_engine_ops(struct ioengine_ops *ops)
+static bool check_engine_ops(struct ioengine_ops *ops)
{
if (ops->version != FIO_IOOPS_VERSION) {
log_err("bad ioops version %d (want %d)\n", ops->version,
FIO_IOOPS_VERSION);
- return 1;
+ return true;
}
if (!ops->queue) {
log_err("%s: no queue handler\n", ops->name);
- return 1;
+ return true;
}
/*
* sync engines only need a ->queue()
*/
if (ops->flags & FIO_SYNCIO)
- return 0;
+ return false;
- if (!ops->event) {
- log_err("%s: no event handler\n", ops->name);
- return 1;
- }
- if (!ops->getevents) {
- log_err("%s: no getevents handler\n", ops->name);
- return 1;
+ if (!ops->event || !ops->getevents) {
+ log_err("%s: no event/getevents handler\n", ops->name);
+ return true;
}
- return 0;
+ return false;
}
void unregister_ioengine(struct ioengine_ops *ops)
return NULL;
}
- ops->dlhandle = dlhandle;
+ td->io_ops_dlhandle = dlhandle;
return ops;
}
struct ioengine_ops *load_ioengine(struct thread_data *td, const char *name)
{
- struct ioengine_ops *ops, *ret;
- char engine[16];
+ struct ioengine_ops *ops;
+ char engine[64];
dprint(FD_IO, "load ioengine %s\n", name);
+ engine[sizeof(engine) - 1] = '\0';
strncpy(engine, name, sizeof(engine) - 1);
/*
if (check_engine_ops(ops))
return NULL;
- ret = malloc(sizeof(*ret));
- memcpy(ret, ops, sizeof(*ret));
- ret->data = NULL;
-
- return ret;
+ return ops;
}
/*
td->eo = NULL;
}
- if (td->io_ops->dlhandle)
- dlclose(td->io_ops->dlhandle);
+ if (td->io_ops_dlhandle)
+ dlclose(td->io_ops_dlhandle);
- free(td->io_ops);
td->io_ops = NULL;
}
if (td->io_ops->cleanup) {
td->io_ops->cleanup(td);
- td->io_ops->data = NULL;
+ td->io_ops_data = NULL;
}
free_ioengine(td);
fio_ro_check(td, io_u);
assert((io_u->flags & IO_U_F_FLIGHT) == 0);
- io_u_set(io_u, IO_U_F_FLIGHT);
+ io_u_set(td, io_u, IO_U_F_FLIGHT);
assert(fio_file_open(io_u->file));
io_u->error = 0;
io_u->resid = 0;
- if (td->io_ops->flags & FIO_SYNCIO) {
+ if (td_ioengine_flagged(td, FIO_SYNCIO)) {
if (fio_fill_issue_time(td))
fio_gettime(&io_u->issue_time, NULL);
td->io_issues[ddir]--;
td->io_issue_bytes[ddir] -= buflen;
td->rate_io_issue_bytes[ddir] -= buflen;
+ io_u_clear(td, io_u, IO_U_F_FLIGHT);
}
/*
}
}
- if ((td->io_ops->flags & FIO_SYNCIO) == 0) {
+ if (!td_ioengine_flagged(td, FIO_SYNCIO)) {
if (fio_fill_issue_time(td))
fio_gettime(&io_u->issue_time, NULL);
td->error = ret;
}
- if (!ret && (td->io_ops->flags & FIO_NOIO))
+ if (!ret && td_ioengine_flagged(td, FIO_NOIO))
td->flags |= TD_F_NOIO;
return ret;
}
}
- if (td->io_ops->flags & FIO_DISKLESSIO)
+ if (td_ioengine_flagged(td, FIO_DISKLESSIO))
goto done;
if (td->o.invalidate_cache && file_invalidate_cache(td, f))
goto err;
- if (td->o.fadvise_hint &&
- (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_FILE)) {
+ if (td->o.fadvise_hint != F_ADV_NONE &&
+ (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_FILE)) {
int flags;
- if (td_random(td))
+ if (td->o.fadvise_hint == F_ADV_TYPE) {
+ if (td_random(td))
+ flags = POSIX_FADV_RANDOM;
+ else
+ flags = POSIX_FADV_SEQUENTIAL;
+ } else if (td->o.fadvise_hint == F_ADV_RANDOM)
flags = POSIX_FADV_RANDOM;
- else
+ else if (td->o.fadvise_hint == F_ADV_SEQUENTIAL)
flags = POSIX_FADV_SEQUENTIAL;
+ else {
+ log_err("fio: unknown fadvise type %d\n",
+ td->o.fadvise_hint);
+ flags = POSIX_FADV_NORMAL;
+ }
if (posix_fadvise(f->fd, f->file_offset, f->io_size, flags) < 0) {
td_verror(td, errno, "fadvise");
}
#ifdef FIO_HAVE_STREAMID
if (td->o.fadvise_stream &&
- (f->filetype == FIO_TYPE_BD || f->filetype == FIO_TYPE_FILE)) {
+ (f->filetype == FIO_TYPE_BLOCK || f->filetype == FIO_TYPE_FILE)) {
off_t stream = td->o.fadvise_stream;
if (posix_fadvise(f->fd, stream, f->io_size, POSIX_FADV_STREAMID) < 0) {
if (ret) {
td_verror(td, ret, "fio_set_odirect");
- log_err("fio: the file system does not seem to support direct IO\n");
+ if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */
+ log_err("fio: doing directIO to RAW devices or ZFS not supported\n");
+ } else {
+ log_err("fio: the file system does not seem to support direct IO\n");
+ }
+
goto err;
}
}
{
if (td->io_ops->unlink_file)
return td->io_ops->unlink_file(td, f);
- else
- return unlink(f->file_name);
+ else {
+ int ret;
+
+ ret = unlink(f->file_name);
+ if (ret < 0)
+ return errno;
+
+ return 0;
+ }
}
int td_io_get_file_size(struct thread_data *td, struct fio_file *f)
{
struct flist_head *entry;
struct thread_data td;
+ struct ioengine_ops *io_ops;
char *sep;
int ret = 1;
if (!engine || !*engine) {
log_info("Available IO engines:\n");
flist_for_each(entry, &engine_list) {
- td.io_ops = flist_entry(entry, struct ioengine_ops,
- list);
- log_info("\t%s\n", td.io_ops->name);
+ io_ops = flist_entry(entry, struct ioengine_ops, list);
+ log_info("\t%s\n", io_ops->name);
}
return 0;
}
memset(&td, 0, sizeof(td));
- td.io_ops = load_ioengine(&td, engine);
- if (!td.io_ops) {
+ io_ops = load_ioengine(&td, engine);
+ if (!io_ops) {
log_info("IO engine %s not found\n", engine);
return 1;
}
- if (td.io_ops->options)
- ret = show_cmd_help(td.io_ops->options, sep);
+ if (io_ops->options)
+ ret = show_cmd_help(io_ops->options, sep);
else
- log_info("IO engine %s has no options\n", td.io_ops->name);
+ log_info("IO engine %s has no options\n", io_ops->name);
free_ioengine(&td);