static unsigned int zbd_zone_nr(struct zoned_block_device_info *zbd_info,
struct fio_zone_info *zone)
{
- return (uintptr_t) zone - (uintptr_t) zbd_info->zone_info;
+ return zone - zbd_info->zone_info;
}
/**
static int zbd_reset_zone(struct thread_data *td, const struct fio_file *f,
struct fio_zone_info *z)
{
- int ret;
-
dprint(FD_ZBD, "%s: resetting wp of zone %u.\n", f->file_name,
zbd_zone_nr(f->zbd_info, z));
- ret = zbd_reset_range(td, f, z->start, (z+1)->start - z->start);
- return ret;
+
+ return zbd_reset_range(td, f, z->start, (z+1)->start - z->start);
}
/*
return write_cnt == 0;
}
-/* Check whether the value of zbd_info.sectors_with_data is correct. */
-static void check_swd(const struct thread_data *td, const struct fio_file *f)
+enum swd_action {
+ CHECK_SWD,
+ SET_SWD,
+};
+
+/* Calculate the number of sectors with data (swd) and perform action 'a' */
+static uint64_t zbd_process_swd(const struct fio_file *f, enum swd_action a)
{
-#if 0
struct fio_zone_info *zb, *ze, *z;
- uint64_t swd;
+ uint64_t swd = 0;
zb = &f->zbd_info->zone_info[zbd_zone_idx(f, f->file_offset)];
ze = &f->zbd_info->zone_info[zbd_zone_idx(f, f->file_offset +
f->io_size)];
- swd = 0;
for (z = zb; z < ze; z++) {
pthread_mutex_lock(&z->mutex);
swd += z->wp - z->start;
}
pthread_mutex_lock(&f->zbd_info->mutex);
- assert(f->zbd_info->sectors_with_data == swd);
+ switch (a) {
+ case CHECK_SWD:
+ assert(f->zbd_info->sectors_with_data == swd);
+ break;
+ case SET_SWD:
+ f->zbd_info->sectors_with_data = swd;
+ break;
+ }
pthread_mutex_unlock(&f->zbd_info->mutex);
for (z = zb; z < ze; z++)
pthread_mutex_unlock(&z->mutex);
-#endif
+
+ return swd;
+}
+
+/*
+ * The swd check is useful for debugging but takes too much time to leave
+ * it enabled all the time. Hence it is disabled by default.
+ */
+static const bool enable_check_swd = false;
+
+/* Check whether the value of zbd_info.sectors_with_data is correct. */
+static void zbd_check_swd(const struct fio_file *f)
+{
+ if (!enable_check_swd)
+ return;
+
+ zbd_process_swd(f, CHECK_SWD);
+}
+
+static void zbd_init_swd(struct fio_file *f)
+{
+ uint64_t swd;
+
+ swd = zbd_process_swd(f, SET_SWD);
+ dprint(FD_ZBD, "%s(%s): swd = %" PRIu64 "\n", __func__, f->file_name,
+ swd);
}
void zbd_file_reset(struct thread_data *td, struct fio_file *f)
{
- struct fio_zone_info *zb, *ze, *z;
+ struct fio_zone_info *zb, *ze;
uint32_t zone_idx_e;
- uint64_t swd = 0;
if (!f->zbd_info)
return;
zb = &f->zbd_info->zone_info[zbd_zone_idx(f, f->file_offset)];
zone_idx_e = zbd_zone_idx(f, f->file_offset + f->io_size);
ze = &f->zbd_info->zone_info[zone_idx_e];
- for (z = zb ; z < ze; z++) {
- pthread_mutex_lock(&z->mutex);
- swd += z->wp - z->start;
- }
- pthread_mutex_lock(&f->zbd_info->mutex);
- f->zbd_info->sectors_with_data = swd;
- pthread_mutex_unlock(&f->zbd_info->mutex);
- for (z = zb ; z < ze; z++)
- pthread_mutex_unlock(&z->mutex);
- dprint(FD_ZBD, "%s(%s): swd = %llu\n", __func__, f->file_name,
- (unsigned long long) swd);
+ zbd_init_swd(f);
/*
* If data verification is enabled reset the affected zones before
* writing any data to avoid that a zone reset has to be issued while
}
unlock:
pthread_mutex_unlock(&z->mutex);
+
+ zbd_check_swd(io_u->file);
}
bool zbd_unaligned_write(int error_code)
io_u->ddir == DDIR_READ && td->o.read_beyond_wp)
return io_u_accept;
+ zbd_check_swd(f);
+
pthread_mutex_lock(&zb->mutex);
switch (io_u->ddir) {
case DDIR_READ:
}
/* Check whether the zone reset threshold has been exceeded */
if (td->o.zrf.u.f) {
- check_swd(td, f);
if (f->zbd_info->sectors_with_data >=
f->io_size * td->o.zrt.u.f &&
zbd_dec_and_reset_write_cnt(td, f)) {
zb->reset_zone = 0;
if (zbd_reset_zone(td, f, zb) < 0)
goto eof;
- check_swd(td, f);
}
/* Make writes occur at the write pointer */
assert(!zbd_zone_full(f, zb, min_bs));