On Tue, Jul 07 2009, Stephen Rothwell wrote:
> Hi Jens,
>
> Today's linux-next build (powerpc ppc64_defconfig) failed like this:
>
> fs/sync.c: In function 'sys_sync':
> fs/sync.c:121: error: implicit declaration of function 'wakeup_pdflush'
>
> Caused by commit 1728603e84b339be5d5abd392ed3ec5936253863 ("writeback:
> switch to per-bdi threads for flushing data") from the block tree
> interacting with commit 3beab0b42413e83a7907db7176b54c840fc75a81
> ("sys_sync(): fix 16% performance regression in ffsb create_4k test")
> from Linus' tree.
>
> I added the following patch as part of the block tree merge for today. I
> have no idea if it is correct.
> --
> Cheers,
> Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Tue, 7 Jul 2009 13:34:26 +1000
> Subject: [PATCH] block: pdflush fixup
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> fs/sync.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/fs/sync.c b/fs/sync.c
> index 3422ba6..bf03fc7 100644
> --- a/fs/sync.c
> +++ b/fs/sync.c
> @@ -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))
That is correct! I have just now updated for-next as well, so your next
pull should lose this fixup.
--
Jens Axboe
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