| To: | Octavian Purdila <octavian.purdila@xxxxxxxxx> |
|---|---|
| Subject: | Re: [RFC PATCH] xfs: support for non-mmu architectures |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Fri, 20 Nov 2015 10:24:55 +1100 |
| Cc: | xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <1447800381-20167-1-git-send-email-octavian.purdila@xxxxxxxxx> |
| References: | <1447800381-20167-1-git-send-email-octavian.purdila@xxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
On Wed, Nov 18, 2015 at 12:46:21AM +0200, Octavian Purdila wrote: > Naive implementation for non-mmu architectures: allocate physically > contiguous xfs buffers with alloc_pages. Terribly inefficient with > memory and fragmentation on high I/O loads but it may be good enough > for basic usage (which most non-mmu architectures will need). Can you please explain why you want to use XFS on low end, basic non-MMU devices? XFS is a high performance, enterprise/HPC level filesystem - it's not a filesystem designed for small IoT level devices - so I'm struggling to see why we'd want to expend any effort to make XFS work on such devices.... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx |
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