diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/devlink.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index cac856136ac6..6c92ddd2465d 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -4193,6 +4193,27 @@ void devlink_region_destroy(struct devlink_region *region) } EXPORT_SYMBOL_GPL(devlink_region_destroy); +/** + * devlink_region_shapshot_id_get - get snapshot ID + * + * This callback should be called when adding a new snapshot, + * Driver should use the same id for multiple snapshots taken + * on multiple regions at the same time/by the same trigger. + * + * @devlink: devlink + */ +u32 devlink_region_shapshot_id_get(struct devlink *devlink) +{ + u32 id; + + mutex_lock(&devlink->lock); + id = ++devlink->snapshot_id; + mutex_unlock(&devlink->lock); + + return id; +} +EXPORT_SYMBOL_GPL(devlink_region_shapshot_id_get); + static int __init devlink_module_init(void) { return genl_register_family(&devlink_nl_family); |