diff options
Diffstat (limited to 'fs/btrfs/tree-log.h')
-rw-r--r-- | fs/btrfs/tree-log.h | 66 |
1 files changed, 45 insertions, 21 deletions
diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h index 132e43d29034..aed1e05e9879 100644 --- a/fs/btrfs/tree-log.h +++ b/fs/btrfs/tree-log.h @@ -12,12 +12,26 @@ /* return value for btrfs_log_dentry_safe that means we don't need to log it at all */ #define BTRFS_NO_LOG_SYNC 256 +/* We can't use the tree log for whatever reason, force a transaction commit */ +#define BTRFS_LOG_FORCE_COMMIT (1) + struct btrfs_log_ctx { int log_ret; int log_transid; bool log_new_dentries; + bool logging_new_name; + bool logging_new_delayed_dentries; + /* Indicate if the inode being logged was logged before. */ + bool logged_before; + /* Tracks the last logged dir item/index key offset. */ + u64 last_dir_item_offset; struct inode *inode; struct list_head list; + /* Only used for fast fsyncs. */ + struct list_head ordered_extents; + struct list_head conflict_inodes; + int num_conflict_inodes; + bool logging_conflict_inodes; }; static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx, @@ -26,8 +40,28 @@ static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx, ctx->log_ret = 0; ctx->log_transid = 0; ctx->log_new_dentries = false; + ctx->logging_new_name = false; + ctx->logging_new_delayed_dentries = false; + ctx->logged_before = false; ctx->inode = inode; INIT_LIST_HEAD(&ctx->list); + INIT_LIST_HEAD(&ctx->ordered_extents); + INIT_LIST_HEAD(&ctx->conflict_inodes); + ctx->num_conflict_inodes = 0; + ctx->logging_conflict_inodes = false; +} + +static inline void btrfs_release_log_ctx_extents(struct btrfs_log_ctx *ctx) +{ + struct btrfs_ordered_extent *ordered; + struct btrfs_ordered_extent *tmp; + + ASSERT(inode_is_locked(ctx->inode)); + + list_for_each_entry_safe(ordered, tmp, &ctx->ordered_extents, log_list) { + list_del_init(&ordered->log_list); + btrfs_put_ordered_extent(ordered); + } } static inline void btrfs_set_log_full_commit(struct btrfs_trans_handle *trans) @@ -49,17 +83,15 @@ int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans, int btrfs_recover_log_trees(struct btrfs_root *tree_root); int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans, struct dentry *dentry, - const loff_t start, - const loff_t end, struct btrfs_log_ctx *ctx); -int btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - const char *name, int name_len, - struct btrfs_inode *dir, u64 index); -int btrfs_del_inode_ref_in_log(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - const char *name, int name_len, - struct btrfs_inode *inode, u64 dirid); +void btrfs_del_dir_entries_in_log(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + const char *name, int name_len, + struct btrfs_inode *dir, u64 index); +void btrfs_del_inode_ref_in_log(struct btrfs_trans_handle *trans, + struct btrfs_root *root, + const char *name, int name_len, + struct btrfs_inode *inode, u64 dirid); void btrfs_end_log_trans(struct btrfs_root *root); void btrfs_pin_log_trans(struct btrfs_root *root); void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans, @@ -67,16 +99,8 @@ void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans, int for_rename); void btrfs_record_snapshot_destroy(struct btrfs_trans_handle *trans, struct btrfs_inode *dir); -/* Return values for btrfs_log_new_name() */ -enum { - BTRFS_DONT_NEED_TRANS_COMMIT, - BTRFS_NEED_TRANS_COMMIT, - BTRFS_DONT_NEED_LOG_SYNC, - BTRFS_NEED_LOG_SYNC, -}; -int btrfs_log_new_name(struct btrfs_trans_handle *trans, - struct btrfs_inode *inode, struct btrfs_inode *old_dir, - struct dentry *parent, - bool sync_log, struct btrfs_log_ctx *ctx); +void btrfs_log_new_name(struct btrfs_trans_handle *trans, + struct dentry *old_dentry, struct btrfs_inode *old_dir, + u64 old_dir_index, struct dentry *parent); #endif |