return (uint64_t)(offset - f->file_offset) < f->io_size;
}
-static inline unsigned int zbd_zone_nr(const struct fio_file *f,
- struct fio_zone_info *zone)
+static inline unsigned int zbd_zone_idx(const struct fio_file *f,
+ struct fio_zone_info *zone)
{
return zone - f->zbd_info->zone_info;
}
/**
- * zbd_zone_idx - convert an offset into a zone number
+ * zbd_offset_to_zone_idx - convert an offset into a zone number
* @f: file pointer.
* @offset: offset in bytes. If this offset is in the first zone_size bytes
* past the disk size then the index of the sentinel is returned.
*/
-static uint32_t zbd_zone_idx(const struct fio_file *f, uint64_t offset)
+static unsigned int zbd_offset_to_zone_idx(const struct fio_file *f,
+ uint64_t offset)
{
uint32_t zone_idx;
assert(!ret);
}
-static inline struct fio_zone_info *get_zone(const struct fio_file *f,
- unsigned int zone_nr)
+static inline struct fio_zone_info *zbd_get_zone(const struct fio_file *f,
+ unsigned int zone_idx)
{
- return &f->zbd_info->zone_info[zone_nr];
+ return &f->zbd_info->zone_info[zone_idx];
+}
+
+static inline struct fio_zone_info *
+zbd_offset_to_zone(const struct fio_file *f, uint64_t offset)
+{
+ return zbd_get_zone(f, zbd_offset_to_zone_idx(f, offset));
}
/**
assert(is_valid_offset(f, offset + length - 1));
- dprint(FD_ZBD, "%s: resetting wp of zone %u.\n", f->file_name,
- zbd_zone_nr(f, z));
+ dprint(FD_ZBD, "%s: resetting wp of zone %u.\n",
+ f->file_name, zbd_zone_idx(f, z));
+
switch (f->zbd_info->model) {
case ZBD_HOST_AWARE:
case ZBD_HOST_MANAGED:
f->zbd_info->sectors_with_data -= data_in_zone;
f->zbd_info->wp_sectors_with_data -= data_in_zone;
pthread_mutex_unlock(&f->zbd_info->mutex);
+
z->wp = z->start;
z->verify_block = 0;
* The caller must hold f->zbd_info->mutex.
*/
static void zbd_close_zone(struct thread_data *td, const struct fio_file *f,
- unsigned int zone_idx)
+ struct fio_zone_info *z)
{
- uint32_t open_zone_idx = 0;
+ uint32_t ozi;
+
+ if (!z->open)
+ return;
- for (; open_zone_idx < f->zbd_info->num_open_zones; open_zone_idx++) {
- if (f->zbd_info->open_zones[open_zone_idx] == zone_idx)
+ for (ozi = 0; ozi < f->zbd_info->num_open_zones; ozi++) {
+ if (zbd_get_zone(f, f->zbd_info->open_zones[ozi]) == z)
break;
}
- if (open_zone_idx == f->zbd_info->num_open_zones)
+ if (ozi == f->zbd_info->num_open_zones)
return;
- dprint(FD_ZBD, "%s: closing zone %d\n", f->file_name, zone_idx);
- memmove(f->zbd_info->open_zones + open_zone_idx,
- f->zbd_info->open_zones + open_zone_idx + 1,
- (ZBD_MAX_OPEN_ZONES - (open_zone_idx + 1)) *
+ dprint(FD_ZBD, "%s: closing zone %u\n",
+ f->file_name, zbd_zone_idx(f, z));
+
+ memmove(f->zbd_info->open_zones + ozi,
+ f->zbd_info->open_zones + ozi + 1,
+ (ZBD_MAX_OPEN_ZONES - (ozi + 1)) *
sizeof(f->zbd_info->open_zones[0]));
+
f->zbd_info->num_open_zones--;
td->num_open_zones--;
- get_zone(f, zone_idx)->open = 0;
+ z->open = 0;
}
/**
assert(min_bs);
- dprint(FD_ZBD, "%s: examining zones %u .. %u\n", f->file_name,
- zbd_zone_nr(f, zb), zbd_zone_nr(f, ze));
- for (z = zb; z < ze; z++) {
- uint32_t nz = zbd_zone_nr(f, z);
+ dprint(FD_ZBD, "%s: examining zones %u .. %u\n",
+ f->file_name, zbd_zone_idx(f, zb), zbd_zone_idx(f, ze));
+ for (z = zb; z < ze; z++) {
if (!z->has_wp)
continue;
+
zone_lock(td, f, z);
pthread_mutex_lock(&f->zbd_info->mutex);
- zbd_close_zone(td, f, nz);
+ zbd_close_zone(td, f, z);
pthread_mutex_unlock(&f->zbd_info->mutex);
+
if (z->wp != z->start) {
dprint(FD_ZBD, "%s: resetting zone %u\n",
- f->file_name, zbd_zone_nr(f, z));
+ f->file_name, zbd_zone_idx(f, z));
if (zbd_reset_zone(td, f, z) < 0)
res = 1;
}
+
zone_unlock(z);
}
* to be exceeded.
*/
static bool zbd_open_zone(struct thread_data *td, const struct fio_file *f,
- uint32_t zone_idx)
+ struct fio_zone_info *z)
{
const uint64_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);
+ uint32_t zone_idx = zbd_zone_idx(f, z);
bool res = true;
if (z->cond == ZBD_ZONE_COND_OFFLINE)
res = false;
goto out;
}
+
res = false;
/* Zero means no limit */
if (td->o.job_max_open_zones > 0 &&
goto out;
if (zbdi->num_open_zones >= zbdi->max_open_zones)
goto out;
- dprint(FD_ZBD, "%s: opening zone %d\n", f->file_name, zone_idx);
+
+ dprint(FD_ZBD, "%s: opening zone %u\n",
+ f->file_name, zone_idx);
+
zbdi->open_zones[zbdi->num_open_zones++] = zone_idx;
td->num_open_zones++;
z->open = 1;
return res;
}
-/* Verify whether direct I/O is used for all host-managed zoned drives. */
+/* Verify whether direct I/O is used for all host-managed zoned block drives. */
static bool zbd_using_direct_io(void)
{
struct thread_data *td;
if (td->o.odirect || !(td->o.td_ddir & TD_DDIR_WRITE))
continue;
for_each_file(td, f, j) {
- if (f->zbd_info &&
+ if (f->zbd_info && f->filetype == FIO_TYPE_BLOCK &&
f->zbd_info->model == ZBD_HOST_MANAGED)
return false;
}
uint32_t zone_idx, zone_idx_b, zone_idx_e;
assert(f->zbd_info);
+
if (f->io_size == 0)
return false;
- zone_idx_b = zbd_zone_idx(f, f->file_offset);
- zone_idx_e = zbd_zone_idx(f, f->file_offset + f->io_size - 1);
+
+ zone_idx_b = zbd_offset_to_zone_idx(f, f->file_offset);
+ zone_idx_e =
+ zbd_offset_to_zone_idx(f, f->file_offset + f->io_size - 1);
for (zone_idx = zone_idx_b; zone_idx <= zone_idx_e; zone_idx++)
- if (get_zone(f, zone_idx)->has_wp)
+ if (zbd_get_zone(f, zone_idx)->has_wp)
return true;
return false;
{
const struct fio_zone_info *z;
uint64_t new_offset, new_end;
- uint32_t zone_idx;
if (!f->zbd_info)
return true;
return false;
}
- zone_idx = zbd_zone_idx(f, f->file_offset);
- z = get_zone(f, zone_idx);
+ z = zbd_offset_to_zone(f, f->file_offset);
if ((f->file_offset != z->start) &&
(td->o.td_ddir != TD_DDIR_READ)) {
new_offset = zbd_zone_end(z);
f->file_offset = new_offset;
}
- zone_idx = zbd_zone_idx(f, f->file_offset + f->io_size);
- z = get_zone(f, zone_idx);
+ z = zbd_offset_to_zone(f, f->file_offset + f->io_size);
new_end = z->start;
if ((td->o.td_ddir != TD_DDIR_READ) &&
(f->file_offset + f->io_size != new_end)) {
if (!f->zbd_info)
continue;
+
zone_size = f->zbd_info->zone_size;
if (td_trim(td) && td->o.bs[DDIR_TRIM] != zone_size) {
log_info("%s: trim block size %llu is not the zone size %"PRIu64"\n",
goto out;
}
- dprint(FD_ZBD, "Device %s has %d zones of size %"PRIu64" KB\n", f->file_name,
- nr_zones, zone_size / 1024);
+ dprint(FD_ZBD, "Device %s has %d zones of size %"PRIu64" KB\n",
+ f->file_name, nr_zones, zone_size / 1024);
zbd_info = scalloc(1, sizeof(*zbd_info) +
(nr_zones + 1) * sizeof(zbd_info->zone_info[0]));
PTHREAD_MUTEX_RECURSIVE);
p->start = z->start;
p->capacity = z->capacity;
+
switch (z->cond) {
case ZBD_ZONE_COND_NOT_WP:
case ZBD_ZONE_COND_FULL:
offset = z->start + z->len;
if (j >= nr_zones)
break;
+
nrz = zbd_report_zones(td, f, offset, zones,
min((uint32_t)(nr_zones - j),
ZBD_REPORT_MAX_ZONES));
/* Ensure that the limit is not larger than FIO's internal limit */
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);
+ log_err("'max_open_zones' value is larger than %u\n",
+ ZBD_MAX_OPEN_ZONES);
return -EINVAL;
}
ret = zbd_create_zone_info(td, file);
if (ret < 0)
td_verror(td, -ret, "zbd_create_zone_info() failed");
+
return ret;
}
if (zbd_init_zone_info(td, f))
return 1;
}
+
return 0;
}
for_each_file(td, f, i) {
struct zoned_block_device_info *zbd = f->zbd_info;
- // zonemode=strided doesn't get per-file zone size.
- uint64_t zone_size = zbd ? zbd->zone_size : td->o.zone_size;
+ uint64_t zone_size;
+ /* zonemode=strided doesn't get per-file zone size. */
+ zone_size = zbd ? zbd->zone_size : td->o.zone_size;
if (zone_size == 0)
continue;
- if (td->o.size_nz > 0) {
+ if (td->o.size_nz > 0)
td->o.size = td->o.size_nz * zone_size;
- }
- if (td->o.io_size_nz > 0) {
+ if (td->o.io_size_nz > 0)
td->o.io_size = td->o.io_size_nz * zone_size;
- }
- if (td->o.start_offset_nz > 0) {
+ if (td->o.start_offset_nz > 0)
td->o.start_offset = td->o.start_offset_nz * zone_size;
- }
- if (td->o.offset_increment_nz > 0) {
- td->o.offset_increment = td->o.offset_increment_nz * zone_size;
- }
- if (td->o.zone_skip_nz > 0) {
+ if (td->o.offset_increment_nz > 0)
+ td->o.offset_increment =
+ td->o.offset_increment_nz * zone_size;
+ if (td->o.zone_skip_nz > 0)
td->o.zone_skip = td->o.zone_skip_nz * zone_size;
- }
}
}
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);
+ f->min_zone = zbd_offset_to_zone_idx(f, f->file_offset);
+ f->max_zone =
+ zbd_offset_to_zone_idx(f, f->file_offset + f->io_size);
/*
* When all zones in the I/O range are conventional, io_size
if (z->cond != ZBD_ZONE_COND_IMP_OPEN &&
z->cond != ZBD_ZONE_COND_EXP_OPEN)
continue;
- if (zbd_open_zone(td, f, zi))
+ if (zbd_open_zone(td, f, z))
continue;
/*
* If the number of open zones exceeds specified limits,
uint64_t swd = 0;
uint64_t wp_swd = 0;
- zb = get_zone(f, f->min_zone);
- ze = get_zone(f, f->max_zone);
+ zb = zbd_get_zone(f, f->min_zone);
+ ze = zbd_get_zone(f, f->max_zone);
for (z = zb; z < ze; z++) {
if (z->has_wp) {
zone_lock(td, f, z);
}
swd += z->wp - z->start;
}
+
pthread_mutex_lock(&f->zbd_info->mutex);
switch (a) {
case CHECK_SWD:
break;
}
pthread_mutex_unlock(&f->zbd_info->mutex);
+
for (z = zb; z < ze; z++)
if (z->has_wp)
zone_unlock(z);
if (!f->zbd_info || !td_write(td))
return;
- zb = get_zone(f, f->min_zone);
- ze = get_zone(f, f->max_zone);
+ zb = zbd_get_zone(f, f->min_zone);
+ ze = zbd_get_zone(f, f->max_zone);
swd = zbd_process_swd(td, f, SET_SWD);
- dprint(FD_ZBD, "%s(%s): swd = %" PRIu64 "\n", __func__, f->file_name,
- swd);
+
+ dprint(FD_ZBD, "%s(%s): swd = %" PRIu64 "\n",
+ __func__, f->file_name, swd);
+
/*
* If data verification is enabled reset the affected zones before
* writing any data to avoid that a zone reset has to be issued while
static uint32_t pick_random_zone_idx(const struct fio_file *f,
const struct io_u *io_u)
{
- return (io_u->offset - f->file_offset) * f->zbd_info->num_open_zones /
- f->io_size;
+ return (io_u->offset - f->file_offset) *
+ f->zbd_info->num_open_zones / f->io_size;
}
static bool any_io_in_flight(void)
*/
zone_idx = zbdi->open_zones[pick_random_zone_idx(f, io_u)];
} else {
- zone_idx = zbd_zone_idx(f, io_u->offset);
+ zone_idx = zbd_offset_to_zone_idx(f, io_u->offset);
}
if (zone_idx < f->min_zone)
zone_idx = f->min_zone;
else if (zone_idx >= f->max_zone)
zone_idx = f->max_zone - 1;
- dprint(FD_ZBD, "%s(%s): starting from zone %d (offset %lld, buflen %lld)\n",
+
+ dprint(FD_ZBD,
+ "%s(%s): starting from zone %d (offset %lld, buflen %lld)\n",
__func__, f->file_name, zone_idx, io_u->offset, io_u->buflen);
/*
for (;;) {
uint32_t tmp_idx;
- z = get_zone(f, zone_idx);
+ z = zbd_get_zone(f, zone_idx);
if (z->has_wp)
zone_lock(td, f, z);
+
pthread_mutex_lock(&zbdi->mutex);
+
if (z->has_wp) {
if (z->cond != ZBD_ZONE_COND_OFFLINE &&
- zbdi->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 (zbdi->num_open_zones == 0) {
dprint(FD_ZBD, "%s(%s): no zones are open\n",
}
/*
- * List of opened zones is per-device, shared across all threads.
- * Start with quasi-random candidate zone.
- * Ignore zones which don't belong to thread's offset/size area.
+ * List of opened zones is per-device, shared across all
+ * threads. Start with quasi-random candidate zone. Ignore
+ * zones which don't belong to thread's offset/size area.
*/
open_zone_idx = pick_random_zone_idx(f, io_u);
assert(!open_zone_idx ||
open_zone_idx < zbdi->num_open_zones);
tmp_idx = open_zone_idx;
+
for (i = 0; i < zbdi->num_open_zones; i++) {
uint32_t tmpz;
dprint(FD_ZBD, "%s(%s): no candidate zone\n",
__func__, f->file_name);
+
pthread_mutex_unlock(&zbdi->mutex);
+
if (z->has_wp)
zone_unlock(z);
+
return NULL;
found_candidate_zone:
if (new_zone_idx == zone_idx)
break;
zone_idx = new_zone_idx;
+
pthread_mutex_unlock(&zbdi->mutex);
+
if (z->has_wp)
zone_unlock(z);
}
* zone close before opening a new zone.
*/
if (wait_zone_close) {
- dprint(FD_ZBD, "%s(%s): quiesce to allow open zones to close\n",
+ dprint(FD_ZBD,
+ "%s(%s): quiesce to allow open zones to close\n",
__func__, f->file_name);
io_u_quiesce(td);
}
if (!is_valid_offset(f, z->start)) {
/* Wrap-around. */
zone_idx = f->min_zone;
- z = get_zone(f, zone_idx);
+ z = zbd_get_zone(f, zone_idx);
}
assert(is_valid_offset(f, z->start));
if (!z->has_wp)
zone_lock(td, f, z);
if (z->open)
continue;
- if (zbd_open_zone(td, f, zone_idx))
+ if (zbd_open_zone(td, f, z))
goto out;
}
pthread_mutex_unlock(&zbdi->mutex);
zone_unlock(z);
- z = get_zone(f, zone_idx);
+ z = zbd_get_zone(f, zone_idx);
zone_lock(td, f, z);
if (z->wp + min_bs <= zbd_zone_capacity_end(z))
*/
in_flight = any_io_in_flight();
if (in_flight || should_retry) {
- dprint(FD_ZBD, "%s(%s): wait zone close and retry open zones\n",
+ dprint(FD_ZBD,
+ "%s(%s): wait zone close and retry open zones\n",
__func__, f->file_name);
pthread_mutex_unlock(&zbdi->mutex);
zone_unlock(z);
}
pthread_mutex_unlock(&zbdi->mutex);
+
zone_unlock(z);
- dprint(FD_ZBD, "%s(%s): did not open another zone\n", __func__,
- f->file_name);
+
+ dprint(FD_ZBD, "%s(%s): did not open another zone\n",
+ __func__, f->file_name);
+
return NULL;
out:
- dprint(FD_ZBD, "%s(%s): returning zone %d\n", __func__, f->file_name,
- zone_idx);
+ dprint(FD_ZBD, "%s(%s): returning zone %d\n",
+ __func__, f->file_name, zone_idx);
+
io_u->offset = z->start;
assert(z->has_wp);
assert(z->cond != ZBD_ZONE_COND_OFFLINE);
+
return z;
}
const struct fio_file *f = io_u->file;
const uint64_t min_bs = td->o.min_bs[DDIR_WRITE];
- if (!zbd_open_zone(td, f, zbd_zone_nr(f, z))) {
+ if (!zbd_open_zone(td, f, z)) {
zone_unlock(z);
z = zbd_convert_to_open_zone(td, io_u);
assert(z);
}
if (z->verify_block * min_bs >= z->capacity) {
- log_err("%s: %d * %"PRIu64" >= %"PRIu64"\n", f->file_name, z->verify_block,
- min_bs, z->capacity);
+ log_err("%s: %d * %"PRIu64" >= %"PRIu64"\n",
+ f->file_name, z->verify_block, min_bs, z->capacity);
/*
* If the assertion below fails during a test run, adding
* "--experimental_verify=1" to the command line may help.
*/
assert(false);
}
+
io_u->offset = z->start + z->verify_block * min_bs;
if (io_u->offset + io_u->buflen >= zbd_zone_capacity_end(z)) {
- log_err("%s: %llu + %llu >= %"PRIu64"\n", f->file_name, io_u->offset,
- io_u->buflen, zbd_zone_capacity_end(z));
+ log_err("%s: %llu + %llu >= %"PRIu64"\n",
+ f->file_name, io_u->offset, io_u->buflen,
+ zbd_zone_capacity_end(z));
assert(false);
}
z->verify_block += io_u->buflen / min_bs;
{
struct fio_file *f = io_u->file;
struct fio_zone_info *z1, *z2;
- const struct fio_zone_info *const zf = get_zone(f, f->min_zone);
+ const struct fio_zone_info *const zf = zbd_get_zone(f, f->min_zone);
/*
* Skip to the next non-empty zone in case of sequential I/O and to
} else if (!td_random(td)) {
break;
}
+
if (td_random(td) && z2 >= zf &&
z2->cond != ZBD_ZONE_COND_OFFLINE) {
if (z2->has_wp)
zone_unlock(z2);
}
}
- dprint(FD_ZBD, "%s: no zone has %"PRIu64" bytes of readable data\n",
+
+ dprint(FD_ZBD,
+ "%s: no zone has %"PRIu64" bytes of readable data\n",
f->file_name, min_bytes);
+
return NULL;
}
if (io_u->ddir == DDIR_WRITE &&
io_u->offset + io_u->buflen >= zbd_zone_capacity_end(z)) {
pthread_mutex_lock(&f->zbd_info->mutex);
- zbd_close_zone(td, f, zbd_zone_nr(f, z));
+ zbd_close_zone(td, f, z);
pthread_mutex_unlock(&f->zbd_info->mutex);
}
}
const struct fio_file *f = io_u->file;
struct zoned_block_device_info *zbd_info = f->zbd_info;
struct fio_zone_info *z;
- uint32_t zone_idx;
uint64_t zone_end;
assert(zbd_info);
- zone_idx = zbd_zone_idx(f, io_u->offset);
- assert(zone_idx < zbd_info->nr_zones);
- z = get_zone(f, zone_idx);
-
+ z = zbd_offset_to_zone(f, io_u->offset);
assert(z->has_wp);
if (!success)
dprint(FD_ZBD,
"%s: queued I/O (%lld, %llu) for zone %u\n",
- f->file_name, io_u->offset, io_u->buflen, zone_idx);
+ f->file_name, io_u->offset, io_u->buflen, zbd_zone_idx(f, z));
switch (io_u->ddir) {
case DDIR_WRITE:
zone_end = min((uint64_t)(io_u->offset + io_u->buflen),
zbd_zone_capacity_end(z));
- pthread_mutex_lock(&zbd_info->mutex);
+
/*
* z->wp > zone_end means that one or more I/O errors
* have occurred.
*/
+ pthread_mutex_lock(&zbd_info->mutex);
if (z->wp <= zone_end) {
zbd_info->sectors_with_data += zone_end - z->wp;
zbd_info->wp_sectors_with_data += zone_end - z->wp;
const struct fio_file *f = io_u->file;
struct zoned_block_device_info *zbd_info = f->zbd_info;
struct fio_zone_info *z;
- uint32_t zone_idx;
assert(zbd_info);
- zone_idx = zbd_zone_idx(f, io_u->offset);
- assert(zone_idx < zbd_info->nr_zones);
- z = get_zone(f, zone_idx);
-
+ z = zbd_offset_to_zone(f, io_u->offset);
assert(z->has_wp);
dprint(FD_ZBD,
"%s: terminate I/O (%lld, %llu) for zone %u\n",
- f->file_name, io_u->offset, io_u->buflen, zone_idx);
+ f->file_name, io_u->offset, io_u->buflen, zbd_zone_idx(f, z));
zbd_end_zone_io(td, io_u, z);
struct fio_file *f = io_u->file;
enum fio_ddir ddir = io_u->ddir;
struct fio_zone_info *z;
- uint32_t zone_idx;
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);
+ z = zbd_offset_to_zone(f, f->last_pos[ddir]);
/*
* When the zone capacity is smaller than the zone size and the I/O is
* sequential write, skip to zone end if the latest position is at the
* zone capacity limit.
*/
- if (z->capacity < f->zbd_info->zone_size && !td_random(td) &&
- ddir == DDIR_WRITE &&
+ if (z->capacity < f->zbd_info->zone_size &&
+ !td_random(td) && ddir == DDIR_WRITE &&
f->last_pos[ddir] >= zbd_zone_capacity_end(z)) {
dprint(FD_ZBD,
"%s: Jump from zone capacity limit to zone end:"
" (%"PRIu64" -> %"PRIu64") for zone %u (%"PRIu64")\n",
f->file_name, f->last_pos[ddir],
- zbd_zone_end(z), zone_idx, z->capacity);
+ zbd_zone_end(z), zbd_zone_idx(f, z), z->capacity);
td->io_skip_bytes += zbd_zone_end(z) - f->last_pos[ddir];
f->last_pos[ddir] = zbd_zone_end(z);
}
{
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 min_bs = td->o.min_bs[io_u->ddir];
assert(min_bs);
assert(is_valid_offset(f, io_u->offset));
assert(io_u->buflen);
- zone_idx_b = zbd_zone_idx(f, io_u->offset);
- zb = get_zone(f, zone_idx_b);
+
+ zb = zbd_offset_to_zone(f, io_u->offset);
orig_zb = zb;
if (!zb->has_wp) {
/* Accept non-write I/Os for conventional zones. */
if (io_u->ddir != DDIR_WRITE)
return io_u_accept;
+
/*
* Make sure that writes to conventional zones
* don't cross over to any sequential zones.
"%s: off=%llu + min_bs=%"PRIu64" > next zone %"PRIu64"\n",
f->file_name, io_u->offset,
min_bs, (zb + 1)->start);
- io_u->offset = zb->start + (zb + 1)->start - io_u->offset;
- new_len = min(io_u->buflen, (zb + 1)->start - io_u->offset);
+ io_u->offset =
+ zb->start + (zb + 1)->start - io_u->offset;
+ new_len = min(io_u->buflen,
+ (zb + 1)->start - io_u->offset);
} else {
new_len = (zb + 1)->start - io_u->offset;
}
+
io_u->buflen = new_len / min_bs * min_bs;
+
return io_u_accept;
}
zb = zbd_replay_write_order(td, io_u, zb);
goto accept;
}
+
/*
* Check that there is enough written data in the zone to do an
* I/O of at least min_bs B. If there isn't, find a new zone for
if (range < min_bs ||
((!td_random(td)) && (io_u->offset + min_bs > zb->wp))) {
zone_unlock(zb);
- zl = get_zone(f, f->max_zone);
+ zl = zbd_get_zone(f, f->max_zone);
zb = zbd_find_zone(td, io_u, min_bs, zb, zl);
if (!zb) {
dprint(FD_ZBD,
if (!td_random(td))
io_u->offset = zb->start;
}
+
/*
* Make sure the I/O is within the zone valid data range while
* maximizing the I/O size and preserving randomness.
io_u->offset = zb->start +
((io_u->offset - orig_zb->start) %
(range - io_u->buflen)) / min_bs * min_bs;
+
/*
* When zbd_find_zone() returns a conventional zone,
* we can simply accept the new i/o offset here.
*/
if (!zb->has_wp)
return io_u_accept;
+
/*
* Make sure the I/O does not cross over the zone wp position.
*/
dprint(FD_IO, "Changed length from %u into %llu\n",
orig_len, io_u->buflen);
}
+
assert(zb->start <= io_u->offset);
assert(io_u->offset + io_u->buflen <= zb->wp);
+
goto accept;
+
case DDIR_WRITE:
if (io_u->buflen > zbdi->zone_size) {
td_verror(td, EINVAL, "I/O buflen exceeds zone size");
f->file_name, io_u->buflen, zbdi->zone_size);
goto eof;
}
- if (!zbd_open_zone(td, f, zone_idx_b)) {
+
+ if (!zbd_open_zone(td, f, zb)) {
zone_unlock(zb);
zb = zbd_convert_to_open_zone(td, io_u);
if (!zb) {
goto eof;
}
}
+
/* Check whether the zone reset threshold has been exceeded */
if (td->o.zrf.u.f) {
- if (zbdi->wp_sectors_with_data >=
- f->io_size * td->o.zrt.u.f &&
- zbd_dec_and_reset_write_cnt(td, f)) {
+ 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;
- }
}
+
/* Reset the zone pointer if necessary */
if (zb->reset_zone || zbd_zone_full(f, zb, min_bs)) {
assert(td->o.verify == VERIFY_NONE);
goto eof;
}
}
+
/* Make writes occur at the write pointer */
assert(!zbd_zone_full(f, zb, min_bs));
io_u->offset = zb->wp;
f->file_name, io_u->offset);
goto eof;
}
+
/*
* Make sure that the buflen is a multiple of the minimal
* block size. Give up if shrinking would make the request too
orig_len, io_u->buflen);
goto accept;
}
+
td_verror(td, EIO, "zone remainder too small");
log_err("zone remainder %lld smaller than min block size %"PRIu64"\n",
(zbd_zone_capacity_end(zb) - io_u->offset), min_bs);
+
goto eof;
+
case DDIR_TRIM:
/* Check random trim targets a non-empty zone */
if (!td_random(td) || zb->wp > zb->start)
/* Find out a non-empty zone to trim */
zone_unlock(zb);
- zl = get_zone(f, f->max_zone);
+ zl = zbd_get_zone(f, f->max_zone);
zb = zbd_find_zone(td, io_u, 1, zb, zl);
if (zb) {
io_u->offset = zb->start;
f->file_name, io_u->offset);
goto accept;
}
+
goto eof;
+
case DDIR_SYNC:
/* fall-through */
case DDIR_DATASYNC:
assert(zb->cond != ZBD_ZONE_COND_OFFLINE);
assert(!io_u->zbd_queue_io);
assert(!io_u->zbd_put_io);
+
io_u->zbd_queue_io = zbd_queue_io;
io_u->zbd_put_io = zbd_put_io;
+
/*
* Since we return with the zone lock still held,
* add an annotation to let Coverity know that it
* is intentional.
*/
/* coverity[missing_unlock] */
+
return io_u_accept;
eof:
if (zb && zb->has_wp)
zone_unlock(zb);
+
return io_u_eof;
}
{
struct fio_file *f = io_u->file;
struct fio_zone_info *z;
- uint32_t zone_idx;
int ret;
- zone_idx = zbd_zone_idx(f, io_u->offset);
- z = get_zone(f, zone_idx);
-
+ z = zbd_offset_to_zone(f, io_u->offset);
if (!z->has_wp)
return 0;
if (io_u->offset != z->start) {
- log_err("Trim offset not at zone start (%lld)\n", io_u->offset);
+ log_err("Trim offset not at zone start (%lld)\n",
+ io_u->offset);
return -EINVAL;
}