ioengines: add get_max_open_zones zoned block device operation

[fio.git] / engines / skeleton_external.c

diff --git a/engines/skeleton_external.c b/engines/skeleton_external.c
index 7f3e4cb3a13c7d9cdb4fcee9b877f5a9b26e9e5d..c79b6f11146ff5ed7844f54da6ee03c3fbf971ac 100644 (file)
--- a/engines/skeleton_external.c
+++ b/engines/skeleton_external.c
@@ -193,6 +193,18 @@ static int fio_skeleton_reset_wp(struct thread_data *td, struct fio_file *f,
        return 0;
 }
 
+/*
+ * Hook called for getting the maximum number of open zones for a
+ * ZBD_HOST_MANAGED zoned block device.
+ * A @max_open_zones value set to zero means no limit.
+ */
+static int fio_skeleton_get_max_open_zones(struct thread_data *td,
+                                          struct fio_file *f,
+                                          unsigned int *max_open_zones)
+{
+       return 0;
+}
+
 /*
  * Note that the structure is exported, so that fio can get it via
  * dlsym(..., "ioengine"); for (and only for) external engines.
@@ -212,6 +224,7 @@ struct ioengine_ops ioengine = {
        .get_zoned_model = fio_skeleton_get_zoned_model,
        .report_zones   = fio_skeleton_report_zones,
        .reset_wp       = fio_skeleton_reset_wp,
+       .get_max_open_zones = fio_skeleton_get_max_open_zones,
        .options        = options,
        .option_struct_size     = sizeof(struct fio_skeleton_options),
 };