On Tue, Nov 20, 2007 at 02:16:17PM +0100, Damien Wyart wrote:
> Hello,
>
> > > > Ok, so it's not synchronous writes that we are doing - we're just
> > > > submitting bio's tagged as WRITE_SYNC to get the I/O issued quickly.
> > > > The "synchronous" nature appears to be coming from higher level
> > > > locking when reclaiming inodes (on the flush lock). It appears that
> > > > inode write clustering is failing completely so we are writing the
> > > > same block multiple times i.e. once for each inode in the cluster we
> > > > have to write.
>
> > > Works for me. The only remaining stalls are sub second and look
> > > completely valid, considering the amount of files being removed.
> > ....
> > > Tested-by: Torsten Kaiser <[email protected]>
>
> * David Chinner <[email protected]> [2007-11-08 11:38]:
> > Great - thanks for reporting the problem and testing the fix.
>
> This patch has not yet made its way into 2.6.24 (rc3). Is it intended?
> Maybe the fix can wait for 2.6.25, but wanted to make sure...
The patch is in the XFS dev tree being QA'd, and we will push it
to 2.6.24-rcX in the next few days.
Cheers,
Dave.
--
Dave Chinner
Principal Engineer
SGI Australian Software Group
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