From: Niklas Cassel <niklas.cassel@xxxxxxx>
Add support for the new .get_max_open_zones io operation.
zbc.c will only ever call this callback for host-managed devices.
Signed-off-by: Niklas Cassel <niklas.cassel@xxxxxxx>
---
engines/libzbc.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/engines/libzbc.c b/engines/libzbc.c
index 2aacf7bb..3dde93db 100644
--- a/engines/libzbc.c
+++ b/engines/libzbc.c
@@ -19,6 +19,7 @@ struct libzbc_data {
struct zbc_device *zdev;
enum zbc_dev_model model;
uint64_t nr_sectors;
+ uint32_t max_open_seq_req;
};
static int libzbc_get_dev_info(struct libzbc_data *ld, struct fio_file *f)
@@ -32,6 +33,7 @@ static int libzbc_get_dev_info(struct libzbc_data *ld, struct fio_file *f)
zbc_get_device_info(ld->zdev, zinfo);
ld->model = zinfo->zbd_model;
ld->nr_sectors = zinfo->zbd_sectors;
+ ld->max_open_seq_req = zinfo->zbd_max_nr_open_seq_req;
dprint(FD_ZBD, "%s: vendor_id:%s, type: %s, model: %s\n",
f->file_name, zinfo->zbd_vendor_id,
@@ -335,6 +337,24 @@ err:
return -ret;
}
+static int libzbc_get_max_open_zones(struct thread_data *td, struct fio_file *f,
+ unsigned int *max_open_zones)
+{
+ struct libzbc_data *ld;
+ int ret;
+
+ ret = libzbc_open_dev(td, f, &ld);
+ if (ret)
+ return ret;
+
+ if (ld->max_open_seq_req == ZBC_NO_LIMIT)
+ *max_open_zones = 0;
+ else
+ *max_open_zones = ld->max_open_seq_req;
+
+ return 0;
+}
+
ssize_t libzbc_rw(struct thread_data *td, struct io_u *io_u)
{
struct libzbc_data *ld = td->io_ops_data;
@@ -414,6 +434,7 @@ FIO_STATIC struct ioengine_ops ioengine = {
.get_zoned_model = libzbc_get_zoned_model,
.report_zones = libzbc_report_zones,
.reset_wp = libzbc_reset_wp,
+ .get_max_open_zones = libzbc_get_max_open_zones,
.queue = libzbc_queue,
.flags = FIO_SYNCIO | FIO_NOEXTEND | FIO_RAWIO,
};
--
2.25.1
