Prev: [git pull] Input updates for 2.6.35-rc1
Next: Commit 9b8c4a0b215e603497daebe8ecbc9b1f0f035808 broken X11 pointer
From: Christoph Hellwig on 4 Jun 2010 04:00
On Fri, Jun 04, 2010 at 09:55:25AM +1000, Dave Chinner wrote:
> Add a trace event to the ->writepage loop in write_cache_pages to give
> visibility into how the ->writepage call is changing variables within the
> writeback control structure. Of most interest is how wbc->nr_to_write changes
> from call to call, especially with filesystems that write multiple pages
> in ->writepage.

Looks good, it might be worth to add another tracepoint for ->writepage
from reclaim context so that we can start investigating the cases where
that happens far too often.

Reviewed-by: Christoph Hellwig <hch(a)lst.de>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
 | 
Pages: 1
Prev: [git pull] Input updates for 2.6.35-rc1
Next: Commit 9b8c4a0b215e603497daebe8ecbc9b1f0f035808 broken X11 pointer