Add an inode map data structure to track the location of inodes in logs.

[bluesky.git] / bluesky / bluesky.h

diff --git a/bluesky/bluesky.h b/bluesky/bluesky.h
index 60a3842..54e8450 100644 (file)
--- a/bluesky/bluesky.h
+++ b/bluesky/bluesky.h
@@ -33,6 +33,9 @@ typedef struct {
     /* Should frontends handle requests serially or allow operations to proceed
      * in parallel? */
     int sync_frontends;
+
+    /* Target size of the disk cache at the proxy, in kilobytes. */
+    int cache_size;
 } BlueSkyOptions;
 
 extern BlueSkyOptions bluesky_options;
@@ -175,6 +178,10 @@ typedef struct {
     /* Mapping of object identifiers (blocks, inodes) to physical location (in
      * the local cache or in the logs in the cloud). */
     GHashTable *locations;
+
+    /* The inode map, which maps inode numbers to the location of the most
+     * recent version. */
+    GSequence *inode_map;
 } BlueSkyFS;
 
 /* Inode number of the root directory. */