diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index fd67b34e220d271c5e570b4960540468b92c029b..f1a77449d032b1fbd481eb16cd232653e5bfbefa 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6187,8 +6187,7 @@ struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page, write_unlock(&em_tree->lock); out: - if (em) - trace_btrfs_get_extent(root, em); + trace_btrfs_get_extent(root, em); if (path) btrfs_free_path(path); diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index f18b3b76e01e22e00c00ee133b2ebdc1013bcc62..4832d75dcbaedb888a2751303fe7d5a4e62b8010 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -162,12 +162,14 @@ DEFINE_EVENT(btrfs__inode, btrfs_inode_evict, { EXTENT_FLAG_LOGGING, "LOGGING" }, \ { EXTENT_FLAG_FILLING, "FILLING" }) -TRACE_EVENT(btrfs_get_extent, +TRACE_EVENT_CONDITION(btrfs_get_extent, TP_PROTO(struct btrfs_root *root, struct extent_map *map), TP_ARGS(root, map), + TP_CONDITION(map), + TP_STRUCT__entry( __field( u64, root_objectid ) __field( u64, start )