Btrfs: just wait or commit our own log sub-transaction

[cascardo/linux.git] / fs / btrfs / tree-log.h

diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h
index 1d4ae0d..91b145f 100644 (file)
--- a/fs/btrfs/tree-log.h
+++ b/fs/btrfs/tree-log.h
@@ -22,14 +22,28 @@
 /* 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);
+}
+
 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,
+                         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,