On Tue, 13 Feb 2007, Pavel Machek wrote:
> > No, workqueues are not frozen unless they are explicitly declared as
> > freezeable. Which currently is only done by XFS, AFAIKS.
>
> Ok, then we have a bug in swsusp. Can someone locate _which_ workqueue
> is used for aio... and make it freezeable?
Here is an untested patch. Does anybody have a way to test it?
(BTW, should it be spelled "freezeable" or "freezable"?)
Alan Stern
Index: usb-2.6/fs/aio.c
===================================================================
--- usb-2.6.orig/fs/aio.c
+++ usb-2.6/fs/aio.c
@@ -73,7 +73,7 @@ static int __init aio_setup(void)
kioctx_cachep = kmem_cache_create("kioctx", sizeof(struct kioctx),
0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
- aio_wq = create_workqueue("aio");
+ aio_wq = create_freezeable_workqueue("aio");
pr_debug("aio_setup: sizeof(struct page) = %d\n", (int)sizeof(struct page));
