diff options
Diffstat (limited to 'fs/btrfs/tree-log.h')
| -rw-r--r-- | fs/btrfs/tree-log.h | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h index 1d4ae0d15a70..e2e798ae7cd7 100644 --- a/fs/btrfs/tree-log.h +++ b/fs/btrfs/tree-log.h @@ -19,17 +19,49 @@ #ifndef __TREE_LOG_ #define __TREE_LOG_ +#include "ctree.h" +#include "transaction.h" + /* return value for btrfs_log_dentry_safe that means we don't need to log it at all */ #define BTRFS_NO_LOG_SYNC 256 +struct btrfs_log_ctx { + int log_ret; + int log_transid; + struct list_head list; +}; + +static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx) +{ + ctx->log_ret = 0; + ctx->log_transid = 0; + INIT_LIST_HEAD(&ctx->list); +} + +static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info, + struct btrfs_trans_handle *trans) +{ + ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid; +} + +static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info, + struct btrfs_trans_handle *trans) +{ + return ACCESS_ONCE(fs_info->last_trans_log_full_commit) == + trans->transid; +} + int btrfs_sync_log(struct btrfs_trans_handle *trans, - struct btrfs_root *root); + struct btrfs_root *root, struct btrfs_log_ctx *ctx); int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root); int btrfs_free_log_root_tree(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); int btrfs_recover_log_trees(struct btrfs_root *tree_root); int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct dentry *dentry); + struct btrfs_root *root, 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, |