Messages in this thread |  | | | Date | Sun, 16 Aug 2009 10:23:31 -0400 | | From | Christoph Hellwig <> | | Subject | Re: [PATCH, RFC] xfs: batched discard support |
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On Sun, Aug 16, 2009 at 09:59:32AM -0400, Mark Lord wrote: > Okay, I got Matthews patches updated onto 2.6.31, and fixed the incompatibilities > between those and the XFS TRIM patch (from Christoph), plus a sector_t printk issue. > > My apologies for attachments, but I am attaching the updated Christoph patch, > as well as my hacked-up forward-port of Matthew's patches. > > Not pretty, but they work. :) > > Now.. running Christoph's "xfs trim" on a 4.6GB mostly already-trimmed > XFS partition gave this for the first time around:
> The problem is, it still issues TRIMs to the LLD one extent at a time. > Compare this with doing it all in a single TRIM command > with the wiper.sh script (filesystem unmounted):
I could do a variant which issues a single TRIM, but that would require us to lock out all other allocations for the time the trim takes. I'll hack that up once I get some time.
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