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Diffstat (limited to 'fs/btrfs/delayed-inode.h')
-rw-r--r--fs/btrfs/delayed-inode.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h
index dd0dbb6668e5..0163ca637a96 100644
--- a/fs/btrfs/delayed-inode.h
+++ b/fs/btrfs/delayed-inode.h
@@ -78,10 +78,21 @@ struct btrfs_delayed_item {
u64 index;
struct list_head tree_list; /* used for batch insert/delete items */
struct list_head readdir_list; /* used for readdir items */
+ /*
+ * Used when logging a directory.
+ * Insertions and deletions to this list are protected by the parent
+ * delayed node's mutex.
+ */
+ struct list_head log_list;
u64 bytes_reserved;
struct btrfs_delayed_node *delayed_node;
refcount_t refs;
enum btrfs_delayed_item_type type:8;
+ /*
+ * Track if this delayed item was already logged.
+ * Protected by the mutex of the parent delayed inode.
+ */
+ bool logged;
/* The maximum leaf size is 64K, so u16 is more than enough. */
u16 data_len;
char data[];
@@ -147,6 +158,14 @@ int btrfs_should_delete_dir_index(struct list_head *del_list,
int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
struct list_head *ins_list);
+/* Used during directory logging. */
+void btrfs_log_get_delayed_items(struct btrfs_inode *inode,
+ struct list_head *ins_list,
+ struct list_head *del_list);
+void btrfs_log_put_delayed_items(struct btrfs_inode *inode,
+ struct list_head *ins_list,
+ struct list_head *del_list);
+
/* for init */
int __init btrfs_delayed_inode_init(void);
void __cold btrfs_delayed_inode_exit(void);