if (inode->change_time == 0)
inode->change_time = now;
+#if 0
if (bluesky_options.writethrough_cache)
bluesky_file_flush(inode, NULL);
+#endif
g_mutex_lock(inode->fs->lock);
bluesky_list_unlink(&inode->fs->dirty_list, inode->dirty_list);
BlueSkyFS *fs = bluesky_deserialize_superblock(data->data);
if (fs != NULL) {
fs->store = store;
+ fs->log = bluesky_log_new("journal");
g_print("Loaded filesystem superblock\n");
g_free(fs->name);
fs->name = g_strdup(name);
g_print("Initializing fresh filesystem\n");
BlueSkyFS *fs = bluesky_new_fs(name);
fs->store = store;
+ fs->log = bluesky_log_new("journal");
BlueSkyInode *root = bluesky_new_inode(BLUESKY_ROOT_INUM, fs,
BLUESKY_DIRECTORY);
void bluesky_inode_unref(BlueSkyInode *inode)
{
if (g_atomic_int_dec_and_test(&inode->refcount)) {
- g_print("Reference count for inode %"PRIu64" dropped to zero.\n",
- inode->inum);
+ if (bluesky_verbose) {
+ g_log("bluesky/inode", G_LOG_LEVEL_DEBUG,
+ "Reference count for inode %"PRIu64" dropped to zero.",
+ inode->inum);
+ }
/* Sanity check: Is the inode clean? */
if (inode->change_commit < inode->change_count
/* Start writeback of an inode and all associated data. */
void bluesky_inode_start_sync(BlueSkyInode *inode, BlueSkyStoreAsync *barrier)
{
+ GList *log_items = NULL;
BlueSkyFS *fs = inode->fs;
if (inode->type == BLUESKY_REGULAR)
- bluesky_file_flush(inode, barrier);
+ bluesky_file_flush(inode, barrier, &log_items);
GString *buf = g_string_new("");
bluesky_serialize_inode(buf, inode);
char key[64];
sprintf(key, "inode-%016"PRIx64, inode->inum);
+ BlueSkyLogItem *log_item = bluesky_log_item_new();
+ log_item->key = g_strdup(key);
+ log_item->data = data;
+ bluesky_string_ref(data);
+ bluesky_log_item_submit(log_item, fs->log);
+ log_items = g_list_prepend(log_items, log_item);
+
+ /* Wait for all log items to be committed to disk. */
+ while (log_items != NULL) {
+ log_item = (BlueSkyLogItem *)log_items->data;
+ bluesky_log_item_finish(log_item);
+ log_items = g_list_delete_link(log_items, log_items);
+ }
+
BlueSkyStoreAsync *async = bluesky_store_async_new(fs->store);
async->op = STORE_OP_PUT;
async->key = g_strdup(key);
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);
+ if (bluesky_verbose) {
+ 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);
+ if (bluesky_verbose) {
+ g_log("bluesky/inode", G_LOG_LEVEL_DEBUG,
+ "Writeback for inode %"PRIu64" complete", inode->inum);
+ }
}
static void complete_inode_fetch(BlueSkyStoreAsync *async, BlueSkyInode *inode)
{
- g_print("Completing fetch of inode %"PRIu64"...\n", inode->inum);
+ if (bluesky_verbose) {
+ g_log("bluesky/inode", G_LOG_LEVEL_DEBUG,
+ "Completing fetch of inode %"PRIu64"...", inode->inum);
+ }
if (async->result != 0
|| !bluesky_deserialize_inode(inode, async->data->data))
{
- g_print(" failed to load inode, cleaning up\n");
+ if (bluesky_verbose) {
+ g_log("bluesky/inode", G_LOG_LEVEL_DEBUG,
+ " failed to load inode, cleaning up");
+ }
g_mutex_lock(inode->fs->lock);
g_hash_table_remove(inode->fs->inodes, &inode->inum);
+ bluesky_list_unlink(&inode->fs->accessed_list, inode->accessed_list);
+ inode->accessed_list = NULL;
g_mutex_unlock(inode->fs->lock);
bluesky_inode_unref(inode);
}
inode->access_time = bluesky_get_current_time();
g_mutex_lock(inode->fs->lock);
+ bluesky_list_unlink(&inode->fs->accessed_list, inode->accessed_list);
inode->accessed_list = bluesky_list_prepend(&inode->fs->accessed_list, inode);
g_mutex_unlock(inode->fs->lock);
sprintf(key, "inode-%016"PRIx64, inum);
BlueSkyInode *inode = bluesky_new_inode(inum, fs, BLUESKY_PENDING);
+ inode->change_count = 0;
bluesky_inode_ref(inode); // Extra ref held by fetching process
g_mutex_lock(inode->lock);
bluesky_insert_inode(fs, inode);
bluesky_store_async_submit(async);
bluesky_store_async_unref(async);
- bluesky_store_sync(fs->store);
+ //bluesky_store_sync(fs->store);
}