| To: | Dave Chinner <david@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 3/3] xfs: flush the CIL via a workqueue |
| From: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
| Date: | Mon, 18 Jul 2011 22:03:17 -0400 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <1310960989-10284-4-git-send-email-david@xxxxxxxxxxxxx> |
| References: | <1310960989-10284-1-git-send-email-david@xxxxxxxxxxxxx> <1310960989-10284-4-git-send-email-david@xxxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
Generally looks okay, but doing a context switch in every log force might bite us. Less the general context switch overhead, but more the nasty interactions with cfq, which are causing huge problems for ext3/4, with no good way to fix them for workqueues. |
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