diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 20793742c9d3..d27b39858339 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2451,17 +2451,21 @@ u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset); u64 btrfs_csum_bytes_to_leaves(struct btrfs_fs_info *fs_info, u64 csum_bytes); -static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_fs_info *fs_info, - unsigned num_items) +/* + * Use this if we would be adding new items, as we could split nodes as we cow + * down the tree. + */ +static inline u64 btrfs_calc_insert_metadata_size(struct btrfs_fs_info *fs_info, + unsigned num_items) { return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * 2 * num_items; } /* - * Doing a truncate won't result in new nodes or leaves, just what we need for - * COW. + * Doing a truncate or a modification won't result in new nodes or leaves, just + * what we need for COW. */ -static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_fs_info *fs_info, +static inline u64 btrfs_calc_metadata_size(struct btrfs_fs_info *fs_info, unsigned num_items) { return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * num_items; |