| To: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 1/8] xfs: use per-filesystem I/O completion workqueues |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Tue, 21 Feb 2012 15:58:11 +1100 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <20120221003906.124899527@xxxxxxxxxxxxxxxxxxxxxx> |
| References: | <20120221003824.415885674@xxxxxxxxxxxxxxxxxxxxxx> <20120221003906.124899527@xxxxxxxxxxxxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
On Mon, Feb 20, 2012 at 07:38:25PM -0500, Christoph Hellwig wrote: > The new concurrency managed workqueues are cheap enough that we can create > per-filesystem instead of global workqueues. This allows us to remove the > trylock or defer scheme on the ilock, which is not helpful once we have > outstanding log reservations until finishing a size update. > > Also allow the default concurrency on this workqueues so that I/O completions > blocking on the ilock for one inode do not block process for another inode. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Looks good. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx |
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