Re: [PATCH 0/9] Per-bdi writeback flusher threads v13

[Damien Wyart]

Hello,

> Here's the 13th version of the writeback patches. Changes since v12:

> - Update to 2.6.31-rc4 ('ish, it's on top of current -git, but wil apply
>   to -rc4 as well).
> - Drop the last patch in the series, it was a questionable optimization
>   that needs to be tested and evaluated separately.

fs/sync.c has changed some time ago and I think your patch needs this
(which I had lazyly added by hand in v12 without telling):

--- a/fs/sync.c	2009-07-31 07:32:08.927926281 +0200
+++ b/fs/sync.c.new	2009-07-31 07:31:52.499801359 +0200
@@ -118,7 +118,7 @@ restart:
  */
 SYSCALL_DEFINE0(sync)
 {
-	wakeup_pdflush(0);
+	wakeup_flusher_threads(0);
 	sync_filesystems(0);
 	sync_filesystems(1);
 	if (unlikely(laptop_mode))



Best,

-- 
Damien Wyart
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