add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/btrfs/tree-log.h
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@@ -15,10 +15,12 @@
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 struct btrfs_log_ctx {
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 	int log_ret;
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 	int log_transid;
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-	int io_err;
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 	bool log_new_dentries;
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+	bool logging_new_name;
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 	struct inode *inode;
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 	struct list_head list;
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+	/* Only used for fast fsyncs. */
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+	struct list_head ordered_extents;
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 };
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 static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx,
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@@ -26,22 +28,34 @@
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 {
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 	ctx->log_ret = 0;
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 	ctx->log_transid = 0;
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-	ctx->io_err = 0;
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 	ctx->log_new_dentries = false;
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+	ctx->logging_new_name = false;
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 	ctx->inode = inode;
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 	INIT_LIST_HEAD(&ctx->list);
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+	INIT_LIST_HEAD(&ctx->ordered_extents);
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 }
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-static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info,
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-					     struct btrfs_trans_handle *trans)
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+static inline void btrfs_release_log_ctx_extents(struct btrfs_log_ctx *ctx)
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 {
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-	WRITE_ONCE(fs_info->last_trans_log_full_commit, trans->transid);
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+	struct btrfs_ordered_extent *ordered;
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+	struct btrfs_ordered_extent *tmp;
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+
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+	ASSERT(inode_is_locked(ctx->inode));
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+
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+	list_for_each_entry_safe(ordered, tmp, &ctx->ordered_extents, log_list) {
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+		list_del_init(&ordered->log_list);
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+		btrfs_put_ordered_extent(ordered);
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+	}
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 }
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-static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info,
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-					     struct btrfs_trans_handle *trans)
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+static inline void btrfs_set_log_full_commit(struct btrfs_trans_handle *trans)
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 {
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-	return READ_ONCE(fs_info->last_trans_log_full_commit) ==
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+	WRITE_ONCE(trans->fs_info->last_trans_log_full_commit, trans->transid);
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+}
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+
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+static inline int btrfs_need_log_full_commit(struct btrfs_trans_handle *trans)
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+{
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+	return READ_ONCE(trans->fs_info->last_trans_log_full_commit) ==
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 		trans->transid;
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 }
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@@ -53,8 +67,6 @@
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 int btrfs_recover_log_trees(struct btrfs_root *tree_root);
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 int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
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 			  struct dentry *dentry,
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-			  const loff_t start,
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-			  const loff_t end,
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 			  struct btrfs_log_ctx *ctx);
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 int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans,
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 				 struct btrfs_root *root,
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@@ -65,22 +77,14 @@
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 			       const char *name, int name_len,
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 			       struct btrfs_inode *inode, u64 dirid);
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 void btrfs_end_log_trans(struct btrfs_root *root);
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-int btrfs_pin_log_trans(struct btrfs_root *root);
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+void btrfs_pin_log_trans(struct btrfs_root *root);
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 void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans,
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 			     struct btrfs_inode *dir, struct btrfs_inode *inode,
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 			     int for_rename);
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 void btrfs_record_snapshot_destroy(struct btrfs_trans_handle *trans,
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 				   struct btrfs_inode *dir);
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-/* Return values for btrfs_log_new_name() */
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-enum {
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-	BTRFS_DONT_NEED_TRANS_COMMIT,
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-	BTRFS_NEED_TRANS_COMMIT,
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-	BTRFS_DONT_NEED_LOG_SYNC,
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-	BTRFS_NEED_LOG_SYNC,
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-};
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-int btrfs_log_new_name(struct btrfs_trans_handle *trans,
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+void btrfs_log_new_name(struct btrfs_trans_handle *trans,
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 			struct btrfs_inode *inode, struct btrfs_inode *old_dir,
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-			struct dentry *parent,
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-			bool sync_log, struct btrfs_log_ctx *ctx);
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+			struct dentry *parent);
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 #endif