X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Fcleaner.c;h=3ca15b8adfff87ec4affd402b310c95c66c86d87;hb=173738187e4798ff42d3be002f65c142c3b2abc9;hp=d7e29ebcffbe6066a2a1f1c0883cff20f9328483;hpb=bd90d0eef074977b2cd633d4fc9c482ccac2734d;p=bluesky.git diff --git a/bluesky/cleaner.c b/bluesky/cleaner.c index d7e29eb..3ca15b8 100644 --- a/bluesky/cleaner.c +++ b/bluesky/cleaner.c @@ -155,6 +155,8 @@ static BlueSkyCleanerItem *bluesky_cleaner_find_checkpoint(BlueSkyFS *fs) g_mutex_unlock(cachefile->lock); BlueSkyCleanerItem *checkpoint = bluesky_cleaner_deserialize(data); + checkpoint->location.directory = BLUESKY_CLOUD_DIR_CLEANER; + checkpoint->location.directory = seq; bluesky_string_unref(data); return checkpoint; @@ -200,6 +202,29 @@ gboolean needs_merging(BlueSkyFS *fs, BlueSkyCloudPointer location) return TRUE; } +/* For an inode which has been modified by the cleaner and must be flushed out + * to cloud storage, mark it as appropriately dirty. We will bypass writingt + * the inode to the journal if possible--but if there have ben other + * uncommitted changes besides what the cleaner did then we will force a + * journal write as well since the cloud shouldn't contain newer data than the + * journal. Inode must be locked. */ +static void cleaner_flush_inode(BlueSkyInode *inode) +{ + // if (inode->change_commit != inode->change_count) { + if (TRUE) { + /* bluesky_inode_start_sync schedules a flush to the cloud so we're all + * done. */ + bluesky_inode_start_sync(inode); + return; + } + + g_assert(inode->unlogged_list == NULL); + + bluesky_list_unlink(&inode->fs->dirty_list, inode->dirty_list); + inode->dirty_list = bluesky_list_prepend(&inode->fs->dirty_list, inode); + inode->change_cloud = inode->change_count; +} + static void merge_inode(BlueSkyFS *fs, BlueSkyCleanerItem *cleaner_inode) { /* There are two versions we are concerned with: cleaner_ is for the data @@ -219,8 +244,8 @@ static void merge_inode(BlueSkyFS *fs, BlueSkyCleanerItem *cleaner_inode) BlueSkyCloudLog *proxy_item = entry->item; g_mutex_lock(proxy_item->lock); - BlueSkyCloudPointer proxy_location = entry->item->location; - BlueSkyCloudID proxy_id = entry->item->id; + //BlueSkyCloudPointer proxy_location = entry->item->location; + //BlueSkyCloudID proxy_id = entry->item->id; g_mutex_unlock(proxy_item->lock); g_mutex_unlock(fs->lock); @@ -254,6 +279,7 @@ static void merge_inode(BlueSkyFS *fs, BlueSkyCleanerItem *cleaner_inode) b->ref->location = cb->location; } } + cleaner_flush_inode(proxy_inode); g_mutex_unlock(proxy_inode->lock); /* Mark the inode as modified so it will get written back to the cloud. We @@ -305,5 +331,25 @@ void bluesky_cleaner_merge(BlueSkyFS *fs) bluesky_cleaner_item_free(imap); } + fs->log_state->latest_cleaner_seq_seen = checkpoint->location.sequence; bluesky_cleaner_item_free(checkpoint); } + +/* Run the cleaner as a background task. */ +static gpointer cleaner_thread(BlueSkyFS *fs) +{ + while (TRUE) { + struct timespec delay; + delay.tv_sec = 30; + delay.tv_nsec = 0; + nanosleep(&delay, NULL); + bluesky_cleaner_merge(fs); + } + + return NULL; +} + +void bluesky_cleaner_thread_launch(BlueSkyFS *fs) +{ + g_thread_create((GThreadFunc)cleaner_thread, fs, FALSE, NULL); +}