X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Fbluesky.h;h=59814b1923ad34b9ce93d5f14eec1b9bef75c6a7;hb=0e3a9c0defb08f388fea2c2eb393dd39d9e95e45;hp=3bdfd59cd76a7b9ac5a42ad293e2c257f388d281;hpb=ccd8dcd110e04b43ae1d04a3b1ab058cc1761d8b;p=bluesky.git

diff --git a/bluesky/bluesky.h b/bluesky/bluesky.h
index 3bdfd59..59814b1 100644
--- a/bluesky/bluesky.h
+++ b/bluesky/bluesky.h
@@ -21,6 +21,9 @@ extern "C" {
 typedef struct {
     /* Perform all get/put operations synchronously. */
     int synchronous_stores;
+
+    /* Write data in cache immediately after file is modified. */
+    int writethrough_cache;
 } BlueSkyOptions;
 
 extern BlueSkyOptions bluesky_options;
@@ -141,6 +144,14 @@ 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;
+
+    /* Additional state for tracking cache writeback status. */
+    uint64_t change_pending;    /* change_count version currently being committed to storage */
+
     int64_t atime;              /* Microseconds since the Unix epoch */
     int64_t ctime;
     int64_t mtime;
@@ -155,6 +166,9 @@ typedef struct {
     GHashTable *dirhash;        /* Hash table by name for LOOKUP */
     GHashTable *dirhash_folded; /* As above, but case-folded */
     uint64_t parent_inum;       /* inode for ".."; 0 if the root directory */
+
+    /* Symlink-specific fields */
+    gchar *symlink_contents;
 } BlueSkyInode;
 
 /* A directory entry.  The name is UTF-8 and is a freshly-allocated string.
@@ -209,7 +223,6 @@ 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_truncate(BlueSkyInode *inode, uint64_t size);
 void bluesky_file_write(BlueSkyInode *inode, uint64_t offset,
                         const char *data, gint len);
@@ -222,6 +235,8 @@ void bluesky_inode_fetch(BlueSkyFS *fs, uint64_t inum);
 gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
                             gpointer unused);
 
+void bluesky_flushd_invoke(BlueSkyFS *fs);
+
 #ifdef __cplusplus
 }
 #endif