extern "C" {
#endif
+extern int bluesky_verbose;
+
+/* Target cache size levels. */
+extern int bluesky_watermark_low_dirty;
+extern int bluesky_watermark_medium_dirty;
+extern int bluesky_watermark_high_dirty;
+
+extern int bluesky_watermark_low_total;
+extern int bluesky_watermark_medium_total;
+extern int bluesky_watermark_high_total;
+
/* TODO: Make this go away entirely. */
BlueSkyFS *bluesky_new_fs(gchar *name);
+/* Linked list update functions for LRU lists. */
+void bluesky_list_unlink(GList *head, GList *item);
+GList *bluesky_list_prepend(GList *head, BlueSkyInode *inode);
+GList *bluesky_list_append(GList *head, BlueSkyInode *inode);
+BlueSkyInode *bluesky_list_head(GList *head);
+BlueSkyInode *bluesky_list_tail(GList *head);
+
/* Serialization and deserialization of filesystem data for storing to
* persistent storage. */
void bluesky_serialize_superblock(GString *out, BlueSkyFS *fs);
void bluesky_file_flush(BlueSkyInode *inode, BlueSkyStoreAsync *barrier);
void bluesky_file_drop_cached(BlueSkyInode *inode);
+/* Logging infrastructure for ensuring operations are persistently recorded to
+ * disk. */
+struct _BlueSkyLog {
+ char *log_directory;
+ GAsyncQueue *queue;
+ int fd;
+ int seq_num;
+};
+
+typedef struct {
+ gboolean committed;
+ GMutex *lock;
+ GCond *cond;
+ char *key;
+ BlueSkyRCStr *data;
+} BlueSkyLogItem;
+
+BlueSkyLog *bluesky_log_new(const char *log_directory);
+BlueSkyLogItem *bluesky_log_item_new();
+void bluesky_log_item_submit(BlueSkyLogItem *item, BlueSkyLog *log);
+void bluesky_log_item_finish(BlueSkyLogItem *item);
+
#ifdef __cplusplus
}
#endif