X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=zbd.c;h=8e99eb95dc6261101c48e6ea84ab5edf1601c316;hp=68cd58e1b9db99dfa883dab39bc06daea6b972e8;hb=5ddf46d0b2dfe10b9a518db1f936c81e099b2646;hpb=dfecde6a4b49bd299b2a7192c10533b9beb4820d

diff --git a/zbd.c b/zbd.c
index 68cd58e1..8e99eb95 100644
--- a/zbd.c
+++ b/zbd.c
@@ -32,6 +32,17 @@ int zbd_get_zoned_model(struct thread_data *td, struct fio_file *f,
 {
 	int ret;
 
+	if (f->filetype == FIO_TYPE_PIPE) {
+		log_err("zonemode=zbd does not support pipes\n");
+		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
@@ -409,7 +420,7 @@ static int init_zone_info(struct thread_data *td, struct fio_file *f)
 	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;
 	}
@@ -430,6 +441,12 @@ static int init_zone_info(struct thread_data *td, struct fio_file *f)
 		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]));
@@ -588,7 +605,7 @@ static int zbd_set_max_open_zones(struct thread_data *td, struct fio_file *f)
 	unsigned int max_open_zones;
 	int ret;
 
-	if (zbd->model != ZBD_HOST_MANAGED) {
+	if (zbd->model != ZBD_HOST_MANAGED || td->o.ignore_zone_limits) {
 		/* Only host-managed devices have a max open limit */
 		zbd->max_open_zones = td->o.max_open_zones;
 		goto out;
@@ -644,8 +661,6 @@ static int zbd_create_zone_info(struct thread_data *td, struct fio_file *f)
 		return ret;
 
 	switch (zbd_model) {
-	case ZBD_IGNORE:
-		return 0;
 	case ZBD_HOST_AWARE:
 	case ZBD_HOST_MANAGED:
 		ret = parse_zone_info(td, f);
@@ -663,6 +678,7 @@ static int zbd_create_zone_info(struct thread_data *td, struct fio_file *f)
 		return -EINVAL;
 	}
 
+	assert(f->zbd_info);
 	f->zbd_info->model = zbd_model;
 
 	ret = zbd_set_max_open_zones(td, f);
@@ -792,8 +808,7 @@ int zbd_setup_files(struct thread_data *td)
 		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);
@@ -1454,8 +1469,7 @@ static void zbd_queue_io(struct thread_data *td, struct io_u *io_u, int q,
 	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);
@@ -1515,8 +1529,7 @@ static void zbd_put_io(struct thread_data *td, const struct io_u *io_u)
 	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);
@@ -1572,6 +1585,7 @@ void setup_zbd_zone_mode(struct thread_data *td, struct io_u *io_u)
 
 	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);
@@ -1646,6 +1660,7 @@ enum fio_ddir zbd_adjust_ddir(struct thread_data *td, struct io_u *io_u,
 	 * 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;
 
@@ -1675,9 +1690,7 @@ enum io_u_action zbd_adjust_block(struct thread_data *td, struct io_u *io_u)
 	uint64_t new_len;
 	int64_t range;
 
-	if (!f->zbd_info)
-		return io_u_accept;
-
+	assert(f->zbd_info);
 	assert(min_bs);
 	assert(is_valid_offset(f, io_u->offset));
 	assert(io_u->buflen);