X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Fcache.c;h=f58a949e497058bfd0a5a568d9d37ebeffce15cb;hb=e26a903ddf80011e3b72a780d7392a8333c996af;hp=481390f74bf0e34ed47b81463572b871c16fadae;hpb=5b3aafc6c34c798f9ad74539f24c9b278e820163;p=bluesky.git diff --git a/bluesky/cache.c b/bluesky/cache.c index 481390f..f58a949 100644 --- a/bluesky/cache.c +++ b/bluesky/cache.c @@ -28,10 +28,14 @@ static void writeback_complete(gpointer a, gpointer i) g_mutex_lock(inode->lock); inode->change_commit = inode->change_pending; + inode->change_pending = 0; if (inode->change_count == inode->change_commit) { /* If inode is no longer dirty... */ inode->change_time = 0; - inode->change_pending = 0; + g_mutex_lock(inode->fs->lock); + bluesky_list_unlink(&inode->fs->dirty_list, inode->dirty_list); + inode->dirty_list = NULL; + g_mutex_unlock(inode->fs->lock); } g_mutex_unlock(inode->lock); @@ -58,15 +62,18 @@ static void flushd_inode(gpointer value, gpointer user_data) drop_caches(inode); /* If the only references are the one we hold and the one in the - * filesystem inum->inode hash table... The check for a refcount - * of 2 shouldn't be necessary so it should be okay if there is a - * race on the check. */ + * filesystem inum->inode hash table... First check the refcount + * without the lock for speed, but if the check looks good verify + * it after taking the filesystem lock. */ if (inode->refcount == 2) { - g_log("bluesky/flushd", G_LOG_LEVEL_DEBUG, - "Trying to drop inode %"PRIu64" from cache", inode->inum); g_mutex_lock(fs->lock); - if (g_hash_table_remove(fs->inodes, &inode->inum)) - bluesky_inode_unref(inode); + if (inode->refcount == 2) { + g_log("bluesky/flushd", G_LOG_LEVEL_DEBUG, + "Trying to drop inode %"PRIu64" from cache", + inode->inum); + if (g_hash_table_remove(fs->inodes, &inode->inum)) + bluesky_inode_unref(inode); + } g_mutex_unlock(fs->lock); } }