Drop some debugging messages.

[bluesky.git] / bluesky / bluesky.h

diff --git a/bluesky/bluesky.h b/bluesky/bluesky.h
index f9e97f5..7f237d3 100644 (file)
--- a/bluesky/bluesky.h
+++ b/bluesky/bluesky.h
@@ -17,6 +17,14 @@
 extern "C" {
 #endif
 
+/* Various options to tweak for performance benchmarking purposes. */
+typedef struct {
+    /* Perform all get/put operations synchronously. */
+    int synchronous_stores;
+} BlueSkyOptions;
+
+extern BlueSkyOptions bluesky_options;
+
 /* BlueSky status and error codes.  Various frontends should translate these to
  * the appropriate error code for whatever protocol they implement. */
 typedef enum {
@@ -133,6 +141,11 @@ typedef struct {
      * committed to stable storage. */
     uint64_t change_count, change_commit;
 
+    /* Timestamp for controlling when modified data is flushed to stable
+     * storage.  When an inode is first modified from a clean state, this is
+     * set to the current time.  If the inode is clean, it is set to zero. */
+    int64_t change_time;
+
     int64_t atime;              /* Microseconds since the Unix epoch */
     int64_t ctime;
     int64_t mtime;
@@ -202,6 +215,7 @@ void bluesky_directory_dump(BlueSkyInode *dir);
 void bluesky_block_touch(BlueSkyInode *inode, uint64_t i);
 void bluesky_block_fetch(BlueSkyFS *fs, BlueSkyBlock *block);
 void bluesky_block_flush(BlueSkyFS *fs, BlueSkyBlock *block);
+void bluesky_file_flush(BlueSkyInode *inode);
 void bluesky_file_truncate(BlueSkyInode *inode, uint64_t size);
 void bluesky_file_write(BlueSkyInode *inode, uint64_t offset,
                         const char *data, gint len);