X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fbtrfs%2Ftransaction.h;h=d4e3e7a6938cddebb56e05ae4131b7055f08be05;hb=77cb5c75e89ccfeb993d9dec37f8edb3a855e9f4;hp=c157ddbe9d1e72eb19d0b9fe169b76f6ee74c217;hpb=dc17ff8f11d129db9e83ab7244769e4eae05e14d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index c157ddb..d4e3e7a 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -19,21 +19,28 @@
 #ifndef __BTRFS_TRANSACTION__
 #define __BTRFS_TRANSACTION__
 #include "btrfs_inode.h"
-#include "ordered-data.h"
+#include "delayed-ref.h"
 
 struct btrfs_transaction {
 	u64 transid;
+	/*
+	 * total writers in this transaction, it must be zero before the
+	 * transaction can end
+	 */
 	unsigned long num_writers;
+
 	unsigned long num_joined;
 	int in_commit;
 	int use_count;
 	int commit_done;
+	int blocked;
 	struct list_head list;
-	struct extent_map_tree dirty_pages;
+	struct extent_io_tree dirty_pages;
 	unsigned long start_time;
-	struct btrfs_ordered_inode_tree ordered_inode_tree;
 	wait_queue_head_t writer_wait;
 	wait_queue_head_t commit_wait;
+	struct list_head pending_snapshots;
+	struct btrfs_delayed_ref_root delayed_refs;
 };
 
 struct btrfs_trans_handle {
@@ -41,11 +48,19 @@ struct btrfs_trans_handle {
 	unsigned long blocks_reserved;
 	unsigned long blocks_used;
 	struct btrfs_transaction *transaction;
-	struct btrfs_block_group_cache *block_group;
+	u64 block_group;
 	u64 alloc_exclude_start;
 	u64 alloc_exclude_nr;
+	unsigned long delayed_ref_updates;
 };
 
+struct btrfs_pending_snapshot {
+	struct dentry *dentry;
+	struct btrfs_root *root;
+	char *name;
+	struct btrfs_key root_key;
+	struct list_head list;
+};
 
 static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans,
 					       struct inode *inode)
@@ -53,9 +68,9 @@ static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans,
 	trans->block_group = BTRFS_I(inode)->block_group;
 }
 
-static inline void btrfs_update_inode_block_group(struct
-						  btrfs_trans_handle *trans,
-						  struct inode *inode)
+static inline void btrfs_update_inode_block_group(
+					  struct btrfs_trans_handle *trans,
+					  struct inode *inode)
 {
 	BTRFS_I(inode)->block_group = trans->block_group;
 }
@@ -64,34 +79,38 @@ static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
 					      struct inode *inode)
 {
 	BTRFS_I(inode)->last_trans = trans->transaction->transid;
+	BTRFS_I(inode)->last_sub_trans = BTRFS_I(inode)->root->log_transid;
 }
 
 int btrfs_end_transaction(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root);
 struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
 						   int num_blocks);
+struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
+						   int num_blocks);
+struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *r,
+						   int num_blocks);
 int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
 				     struct btrfs_root *root);
 int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
 			    struct btrfs_root *root);
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
-void btrfs_transaction_cleaner(void *p);
-#else
-void btrfs_transaction_cleaner(struct work_struct *work);
-#endif
-
-void btrfs_transaction_flush_work(struct btrfs_root *root);
-void btrfs_transaction_queue_work(struct btrfs_root *root, int delay);
-void btrfs_init_transaction_sys(void);
-void btrfs_exit_transaction_sys(void);
-int btrfs_add_dead_root(struct btrfs_root *root, struct btrfs_root *latest,
-			struct list_head *dead_list);
-int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info);
+int btrfs_add_dead_root(struct btrfs_root *root);
+int btrfs_drop_dead_root(struct btrfs_root *root);
 int btrfs_defrag_root(struct btrfs_root *root, int cacheonly);
 int btrfs_clean_old_snapshots(struct btrfs_root *root);
 int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root);
-int btrfs_write_ordered_inodes(struct btrfs_trans_handle *trans,
+int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans,
+				   struct btrfs_root *root);
+void btrfs_throttle(struct btrfs_root *root);
+int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
 				struct btrfs_root *root);
+int btrfs_write_and_wait_marked_extents(struct btrfs_root *root,
+					struct extent_io_tree *dirty_pages);
+int btrfs_write_marked_extents(struct btrfs_root *root,
+					struct extent_io_tree *dirty_pages);
+int btrfs_wait_marked_extents(struct btrfs_root *root,
+					struct extent_io_tree *dirty_pages);
+int btrfs_transaction_in_commit(struct btrfs_fs_info *info);
 #endif