X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Fbluesky.h;h=e30f5b0c95329da1ff5ea6923a680ac23f2d91ee;hb=349ac2f2bcc67551a5bb946c73c650501228f056;hp=421d07df01830a688b158ea38237fe4fd150c836;hpb=8ff2f84811f4d4b7c684e04b4cc8d1aced2a1d4a;p=bluesky.git

diff --git a/bluesky/bluesky.h b/bluesky/bluesky.h
index 421d07d..e30f5b0 100644
--- a/bluesky/bluesky.h
+++ b/bluesky/bluesky.h
@@ -29,6 +29,10 @@ typedef struct {
      * created in a pending state, and not unlocked until the data is actually
      * available.) */
     int sync_inode_fetches;
+
+    /* Should frontends handle requests serially or allow operations to proceed
+     * in parallel? */
+    int sync_frontends;
 } BlueSkyOptions;
 
 extern BlueSkyOptions bluesky_options;
@@ -134,6 +138,9 @@ bluesky_time_hires bluesky_now_hires();
  *     acquire locks on parents in the filesystem tree before children.
  *     (TODO: What about rename when we acquire locks in unrelated parts of the
  *     filesystem?)
+ *   - An inode should not be locked while the filesystem lock is already held,
+ *     since some code may do an inode lookup (which acquires the filesystem
+ *     lock) while a different inode is locked.
  * */
 typedef struct {
     GMutex *lock;
@@ -162,6 +169,9 @@ typedef struct {
      * set to the current time.  If the inode is clean, it is set to zero. */
     int64_t change_time;
 
+    /* Last access time to this inode, for controlling cache evictions. */
+    int64_t access_time;
+
     /* Additional state for tracking cache writeback status. */
     uint64_t change_pending;    /* change_count version currently being committed to storage */
 
@@ -237,8 +247,6 @@ gboolean bluesky_directory_insert(BlueSkyInode *dir, const gchar *name,
                                   uint64_t inum);
 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_file_truncate(BlueSkyInode *inode, uint64_t size);
 void bluesky_file_write(BlueSkyInode *inode, uint64_t offset,
                         const char *data, gint len);