diff options
Diffstat (limited to 'fs/jffs2/background.c')
| -rw-r--r-- | fs/jffs2/background.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c index 6eb3daebd563..0c82dfcfd246 100644 --- a/fs/jffs2/background.c +++ b/fs/jffs2/background.c @@ -1,14 +1,12 @@ /* * JFFS2 -- Journalling Flash File System, Version 2. * - * Copyright (C) 2001-2003 Red Hat, Inc. + * Copyright © 2001-2007 Red Hat, Inc. * * Created by David Woodhouse <dwmw2@infradead.org> * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: background.c,v 1.54 2005/05/20 21:37:12 gleixner Exp $ - * */ #include <linux/kernel.h> @@ -99,7 +97,13 @@ static int jffs2_garbage_collect_thread(void *_c) if (try_to_freeze()) continue; - cond_resched(); + /* This thread is purely an optimisation. But if it runs when + other things could be running, it actually makes things a + lot worse. Use yield() and put it at the back of the runqueue + every time. Especially during boot, pulling an inode in + with read_inode() is much preferable to having the GC thread + get there first. */ + yield(); /* Put_super will send a SIGKILL and then wait on the sem. */ |