Support for sync operations on an inode.

[bluesky.git] / bluesky / inode.c

diff --git a/bluesky/inode.c b/bluesky/inode.c
index a052fb4..a568ae0 100644 (file)
--- a/bluesky/inode.c
+++ b/bluesky/inode.c
@@ -232,13 +232,13 @@ void bluesky_inode_start_sync(BlueSkyInode *inode, BlueSkyStoreAsync *barrier)
 {
     BlueSkyFS *fs = inode->fs;
 
+    if (inode->type == BLUESKY_REGULAR)
+        bluesky_file_flush(inode, barrier);
+
     GString *buf = g_string_new("");
     bluesky_serialize_inode(buf, inode);
     BlueSkyRCStr *data = bluesky_string_new_from_gstring(buf);
 
-    if (inode->type == BLUESKY_REGULAR)
-        bluesky_file_flush(inode, barrier);
-
     char key[64];
     sprintf(key, "inode-%016"PRIx64, inode->inum);
 
@@ -252,6 +252,23 @@ void bluesky_inode_start_sync(BlueSkyInode *inode, BlueSkyStoreAsync *barrier)
     bluesky_store_async_unref(async);
 }
 
+/* Write back an inode and all associated data and wait for completion.  Inode
+ * should already be locked. */
+void bluesky_inode_do_sync(BlueSkyInode *inode)
+{
+    BlueSkyStoreAsync *barrier = bluesky_store_async_new(inode->fs->store);
+    barrier->op = STORE_OP_BARRIER;
+
+    g_log("bluesky/inode", G_LOG_LEVEL_DEBUG,
+          "Synchronous writeback for inode %"PRIu64"...", inode->inum);
+    bluesky_inode_start_sync(inode, barrier);
+    bluesky_store_async_submit(barrier);
+    bluesky_store_async_wait(barrier);
+    bluesky_store_async_unref(barrier);
+    g_log("bluesky/inode", G_LOG_LEVEL_DEBUG,
+          "Writeback for inode %"PRIu64" complete", inode->inum);
+}
+
 /* Fetch an inode from stable storage. */
 void bluesky_inode_fetch(BlueSkyFS *fs, uint64_t inum)
 {