diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 84ac723f58f8..8f8dc46f44e7 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1030,6 +1030,13 @@ struct btrfs_block_group_cache { struct list_head cluster_list; }; +/* delayed seq elem */ +struct seq_list { + struct list_head list; + u64 seq; +}; + +/* fs_info */ struct reloc_control; struct btrfs_device; struct btrfs_fs_devices; @@ -1144,6 +1151,8 @@ struct btrfs_fs_info { spinlock_t tree_mod_seq_lock; atomic_t tree_mod_seq; struct list_head tree_mod_seq_list; + struct seq_list tree_mod_seq_elem; + wait_queue_head_t tree_mod_seq_wait; /* this protects tree_mod_log */ rwlock_t tree_mod_log_lock; @@ -2798,6 +2807,16 @@ static inline void free_fs_info(struct btrfs_fs_info *fs_info) kfree(fs_info); } +/* tree mod log functions from ctree.c */ +u64 btrfs_get_tree_mod_seq(struct btrfs_fs_info *fs_info, + struct seq_list *elem); +void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info, + struct seq_list *elem); +static inline u64 btrfs_inc_tree_mod_seq(struct btrfs_fs_info *fs_info) +{ + return atomic_inc_return(&fs_info->tree_mod_seq); +} + /* root-item.c */ int btrfs_find_root_ref(struct btrfs_root *tree_root, struct btrfs_path *path, @@ -3157,18 +3176,6 @@ void btrfs_reada_detach(void *handle); int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb, u64 start, int err); -/* delayed seq elem */ -struct seq_list { - struct list_head list; - u64 seq; - u32 flags; -}; - -void btrfs_get_tree_mod_seq(struct btrfs_fs_info *fs_info, - struct seq_list *elem); -void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info, - struct seq_list *elem); - static inline int is_fstree(u64 rootid) { if (rootid == BTRFS_FS_TREE_OBJECTID || |