X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fsync.c;h=103cc7fdd3df55db4c5bef44b60b49679e3dd9de;hb=d90a7e86401ffea2163a4337f3a47f3909c4e255;hp=dd200025af8521d65e7bf28efceaece55994c59d;hpb=3f405b46a91c0c4cdfa6077b4e1853f35a94e8ef;p=pandora-kernel.git

diff --git a/fs/sync.c b/fs/sync.c
index dd200025af85..103cc7fdd3df 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -19,20 +19,22 @@
 			SYNC_FILE_RANGE_WAIT_AFTER)
 
 /*
- * Do the filesystem syncing work. For simple filesystems sync_inodes_sb(sb, 0)
- * just dirties buffers with inodes so we have to submit IO for these buffers
- * via __sync_blockdev(). This also speeds up the wait == 1 case since in that
- * case write_inode() functions do sync_dirty_buffer() and thus effectively
- * write one block at a time.
+ * Do the filesystem syncing work. For simple filesystems
+ * writeback_inodes_sb(sb) just dirties buffers with inodes so we have to
+ * submit IO for these buffers via __sync_blockdev(). This also speeds up the
+ * wait == 1 case since in that case write_inode() functions do
+ * sync_dirty_buffer() and thus effectively write one block at a time.
  */
 static int __sync_filesystem(struct super_block *sb, int wait)
 {
 	/* Avoid doing twice syncing and cache pruning for quota sync */
-	if (!wait)
+	if (!wait) {
 		writeout_quota_sb(sb, -1);
-	else
+		writeback_inodes_sb(sb);
+	} else {
 		sync_quota_sb(sb, -1);
-	sync_inodes_sb(sb, wait);
+		sync_inodes_sb(sb);
+	}
 	if (sb->s_op->sync_fs)
 		sb->s_op->sync_fs(sb, wait);
 	return __sync_blockdev(sb->s_bdev, wait);
@@ -112,8 +114,13 @@ restart:
 	mutex_unlock(&mutex);
 }
 
+/*
+ * sync everything.  Start out by waking pdflush, because that writes back
+ * all queues in parallel.
+ */
 SYSCALL_DEFINE0(sync)
 {
+	wakeup_flusher_threads(0);
 	sync_filesystems(0);
 	sync_filesystems(1);
 	if (unlikely(laptop_mode))