return -EINVAL;
}
+ /* If regular file, always emulate zones inside the file. */
+ if (f->filetype == FIO_TYPE_FILE) {
+ *model = ZBD_NONE;
+ return 0;
+ }
+
if (td->io_ops && td->io_ops->get_zoned_model)
ret = td->io_ops->get_zoned_model(td, f, model);
else
int i;
if (zone_size == 0) {
- log_err("%s: Specifying the zone size is mandatory for regular block devices with --zonemode=zbd\n\n",
+ log_err("%s: Specifying the zone size is mandatory for regular file/block device with --zonemode=zbd\n\n",
f->file_name);
return 1;
}
return 1;
}
+ if (f->real_file_size < zone_size) {
+ log_err("%s: file/device size %"PRIu64" is smaller than zone size %"PRIu64"\n",
+ f->file_name, f->real_file_size, zone_size);
+ return -EINVAL;
+ }
+
nr_zones = (f->real_file_size + zone_size - 1) / zone_size;
zbd_info = scalloc(1, sizeof(*zbd_info) +
(nr_zones + 1) * sizeof(zbd_info->zone_info[0]));
out:
/* Ensure that the limit is not larger than FIO's internal limit */
- zbd->max_open_zones = min_not_zero(zbd->max_open_zones,
- (uint32_t) ZBD_MAX_OPEN_ZONES);
+ if (zbd->max_open_zones > ZBD_MAX_OPEN_ZONES) {
+ td_verror(td, EINVAL, "'max_open_zones' value is too large");
+ log_err("'max_open_zones' value is larger than %u\n", ZBD_MAX_OPEN_ZONES);
+ return -EINVAL;
+ }
+
dprint(FD_ZBD, "%s: using max open zones limit: %"PRIu32"\n",
f->file_name, zbd->max_open_zones);
return ret;
switch (zbd_model) {
- case ZBD_IGNORE:
- return 0;
case ZBD_HOST_AWARE:
case ZBD_HOST_MANAGED:
ret = parse_zone_info(td, f);
return -EINVAL;
}
+ assert(f->zbd_info);
f->zbd_info->model = zbd_model;
ret = zbd_set_max_open_zones(td, f);
struct fio_zone_info *z;
int zi;
- if (!zbd)
- continue;
+ assert(zbd);
f->min_zone = zbd_zone_idx(f, f->file_offset);
f->max_zone = zbd_zone_idx(f, f->file_offset + f->io_size);
log_err("Different 'max_open_zones' values\n");
return 1;
}
- if (zbd->max_open_zones > ZBD_MAX_OPEN_ZONES) {
- log_err("'max_open_zones' value is limited by %u\n", ZBD_MAX_OPEN_ZONES);
+
+ /*
+ * The per job max open zones limit cannot be used without a
+ * global max open zones limit. (As the tracking of open zones
+ * is disabled when there is no global max open zones limit.)
+ */
+ if (td->o.job_max_open_zones && !zbd->max_open_zones) {
+ log_err("'job_max_open_zones' cannot be used without a global open zones limit\n");
return 1;
}
+ /*
+ * zbd->max_open_zones is the global limit shared for all jobs
+ * that target the same zoned block device. Force sync the per
+ * thread global limit with the actual global limit. (The real
+ * per thread/job limit is stored in td->o.job_max_open_zones).
+ */
+ td->o.max_open_zones = zbd->max_open_zones;
+
for (zi = f->min_zone; zi < f->max_zone; zi++) {
z = &zbd->zone_info[zi];
if (z->cond != ZBD_ZONE_COND_IMP_OPEN &&
struct zoned_block_device_info *zbdi = f->zbd_info;
int i;
+ /* This function should never be called when zbdi->max_open_zones == 0 */
+ assert(zbdi->max_open_zones);
assert(td->o.job_max_open_zones == 0 || td->num_open_zones <= td->o.job_max_open_zones);
assert(td->o.job_max_open_zones <= zbdi->max_open_zones);
assert(zbdi->num_open_zones <= zbdi->max_open_zones);
uint32_t zone_idx)
{
const uint32_t min_bs = td->o.min_bs[DDIR_WRITE];
+ struct zoned_block_device_info *zbdi = f->zbd_info;
struct fio_zone_info *z = get_zone(f, zone_idx);
bool res = true;
if (td->o.verify != VERIFY_NONE && zbd_zone_full(f, z, min_bs))
return false;
- pthread_mutex_lock(&f->zbd_info->mutex);
+ /*
+ * zbdi->max_open_zones == 0 means that there is no limit on the maximum
+ * number of open zones. In this case, do no track open zones in
+ * zbdi->open_zones array.
+ */
+ if (!zbdi->max_open_zones)
+ return true;
+
+ pthread_mutex_lock(&zbdi->mutex);
if (is_zone_open(td, f, zone_idx)) {
/*
* If the zone is already open and going to be full by writes
if (td->o.job_max_open_zones > 0 &&
td->num_open_zones >= td->o.job_max_open_zones)
goto out;
- if (f->zbd_info->num_open_zones >= f->zbd_info->max_open_zones)
+ if (zbdi->num_open_zones >= zbdi->max_open_zones)
goto out;
dprint(FD_ZBD, "%s: opening zone %d\n", f->file_name, zone_idx);
- f->zbd_info->open_zones[f->zbd_info->num_open_zones++] = zone_idx;
+ zbdi->open_zones[zbdi->num_open_zones++] = zone_idx;
td->num_open_zones++;
z->open = 1;
res = true;
out:
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
return res;
}
{
const uint32_t min_bs = td->o.min_bs[io_u->ddir];
struct fio_file *f = io_u->file;
+ struct zoned_block_device_info *zbdi = f->zbd_info;
struct fio_zone_info *z;
unsigned int open_zone_idx = -1;
uint32_t zone_idx, new_zone_idx;
assert(is_valid_offset(f, io_u->offset));
- if (td->o.max_open_zones || td->o.job_max_open_zones) {
+ if (zbdi->max_open_zones || td->o.job_max_open_zones) {
/*
- * This statement accesses f->zbd_info->open_zones[] on purpose
+ * This statement accesses zbdi->open_zones[] on purpose
* without locking.
*/
- zone_idx = f->zbd_info->open_zones[pick_random_zone_idx(f, io_u)];
+ zone_idx = zbdi->open_zones[pick_random_zone_idx(f, io_u)];
} else {
zone_idx = zbd_zone_idx(f, io_u->offset);
}
__func__, f->file_name, zone_idx, io_u->offset, io_u->buflen);
/*
- * Since z->mutex is the outer lock and f->zbd_info->mutex the inner
+ * Since z->mutex is the outer lock and zbdi->mutex the inner
* lock it can happen that the state of the zone with index zone_idx
- * has changed after 'z' has been assigned and before f->zbd_info->mutex
+ * has changed after 'z' has been assigned and before zbdi->mutex
* has been obtained. Hence the loop.
*/
for (;;) {
z = get_zone(f, zone_idx);
if (z->has_wp)
zone_lock(td, f, z);
- pthread_mutex_lock(&f->zbd_info->mutex);
+ pthread_mutex_lock(&zbdi->mutex);
if (z->has_wp) {
if (z->cond != ZBD_ZONE_COND_OFFLINE &&
- td->o.max_open_zones == 0 && td->o.job_max_open_zones == 0)
+ zbdi->max_open_zones == 0 && td->o.job_max_open_zones == 0)
goto examine_zone;
- if (f->zbd_info->num_open_zones == 0) {
+ if (zbdi->num_open_zones == 0) {
dprint(FD_ZBD, "%s(%s): no zones are open\n",
__func__, f->file_name);
goto open_other_zone;
*/
open_zone_idx = pick_random_zone_idx(f, io_u);
assert(!open_zone_idx ||
- open_zone_idx < f->zbd_info->num_open_zones);
+ open_zone_idx < zbdi->num_open_zones);
tmp_idx = open_zone_idx;
- for (i = 0; i < f->zbd_info->num_open_zones; i++) {
+ for (i = 0; i < zbdi->num_open_zones; i++) {
uint32_t tmpz;
- if (tmp_idx >= f->zbd_info->num_open_zones)
+ if (tmp_idx >= zbdi->num_open_zones)
tmp_idx = 0;
- tmpz = f->zbd_info->open_zones[tmp_idx];
+ tmpz = zbdi->open_zones[tmp_idx];
if (f->min_zone <= tmpz && tmpz < f->max_zone) {
open_zone_idx = tmp_idx;
goto found_candidate_zone;
dprint(FD_ZBD, "%s(%s): no candidate zone\n",
__func__, f->file_name);
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
if (z->has_wp)
zone_unlock(z);
return NULL;
found_candidate_zone:
- new_zone_idx = f->zbd_info->open_zones[open_zone_idx];
+ new_zone_idx = zbdi->open_zones[open_zone_idx];
if (new_zone_idx == zone_idx)
break;
zone_idx = new_zone_idx;
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
if (z->has_wp)
zone_unlock(z);
}
- /* Both z->mutex and f->zbd_info->mutex are held. */
+ /* Both z->mutex and zbdi->mutex are held. */
examine_zone:
if (z->wp + min_bs <= zbd_zone_capacity_end(z)) {
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
goto out;
}
open_other_zone:
/* Check if number of open zones reaches one of limits. */
wait_zone_close =
- f->zbd_info->num_open_zones == f->max_zone - f->min_zone ||
- (td->o.max_open_zones &&
- f->zbd_info->num_open_zones == td->o.max_open_zones) ||
+ zbdi->num_open_zones == f->max_zone - f->min_zone ||
+ (zbdi->max_open_zones &&
+ zbdi->num_open_zones == zbdi->max_open_zones) ||
(td->o.job_max_open_zones &&
td->num_open_zones == td->o.job_max_open_zones);
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
/* Only z->mutex is held. */
}
/* Zone 'z' is full, so try to open a new zone. */
- for (i = f->io_size / f->zbd_info->zone_size; i > 0; i--) {
+ for (i = f->io_size / zbdi->zone_size; i > 0; i--) {
zone_idx++;
if (z->has_wp)
zone_unlock(z);
/* Only z->mutex is held. */
/* Check whether the write fits in any of the already opened zones. */
- pthread_mutex_lock(&f->zbd_info->mutex);
- for (i = 0; i < f->zbd_info->num_open_zones; i++) {
- zone_idx = f->zbd_info->open_zones[i];
+ pthread_mutex_lock(&zbdi->mutex);
+ for (i = 0; i < zbdi->num_open_zones; i++) {
+ zone_idx = zbdi->open_zones[i];
if (zone_idx < f->min_zone || zone_idx >= f->max_zone)
continue;
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
zone_unlock(z);
z = get_zone(f, zone_idx);
zone_lock(td, f, z);
if (z->wp + min_bs <= zbd_zone_capacity_end(z))
goto out;
- pthread_mutex_lock(&f->zbd_info->mutex);
+ pthread_mutex_lock(&zbdi->mutex);
}
- pthread_mutex_unlock(&f->zbd_info->mutex);
+ pthread_mutex_unlock(&zbdi->mutex);
zone_unlock(z);
dprint(FD_ZBD, "%s(%s): did not open another zone\n", __func__,
f->file_name);
uint32_t zone_idx;
uint64_t zone_end;
- if (!zbd_info)
- return;
+ assert(zbd_info);
zone_idx = zbd_zone_idx(f, io_u->offset);
assert(zone_idx < zbd_info->nr_zones);
struct fio_zone_info *z;
uint32_t zone_idx;
- if (!zbd_info)
- return;
+ assert(zbd_info);
zone_idx = zbd_zone_idx(f, io_u->offset);
assert(zone_idx < zbd_info->nr_zones);
assert(td->o.zone_mode == ZONE_MODE_ZBD);
assert(td->o.zone_size);
+ assert(f->zbd_info);
zone_idx = zbd_zone_idx(f, f->last_pos[ddir]);
z = get_zone(f, zone_idx);
* devices with all empty zones. Overwrite the first I/O direction as
* write to make sure data to read exists.
*/
+ assert(io_u->file->zbd_info);
if (ddir != DDIR_READ || !td_rw(td))
return ddir;
enum io_u_action zbd_adjust_block(struct thread_data *td, struct io_u *io_u)
{
struct fio_file *f = io_u->file;
+ struct zoned_block_device_info *zbdi = f->zbd_info;
uint32_t zone_idx_b;
struct fio_zone_info *zb, *zl, *orig_zb;
uint32_t orig_len = io_u->buflen;
uint64_t new_len;
int64_t range;
- if (!f->zbd_info)
- return io_u_accept;
-
+ assert(zbdi);
assert(min_bs);
assert(is_valid_offset(f, io_u->offset));
assert(io_u->buflen);
assert(io_u->offset + io_u->buflen <= zb->wp);
goto accept;
case DDIR_WRITE:
- if (io_u->buflen > f->zbd_info->zone_size) {
+ if (io_u->buflen > zbdi->zone_size) {
td_verror(td, EINVAL, "I/O buflen exceeds zone size");
dprint(FD_IO,
"%s: I/O buflen %llu exceeds zone size %llu\n",
f->file_name, io_u->buflen,
- (unsigned long long) f->zbd_info->zone_size);
+ (unsigned long long) zbdi->zone_size);
goto eof;
}
if (!zbd_open_zone(td, f, zone_idx_b)) {
}
/* Check whether the zone reset threshold has been exceeded */
if (td->o.zrf.u.f) {
- if (f->zbd_info->wp_sectors_with_data >=
+ if (zbdi->wp_sectors_with_data >=
f->io_size * td->o.zrt.u.f &&
zbd_dec_and_reset_write_cnt(td, f)) {
zb->reset_zone = 1;
projects / fio.git / blobdiff