Messages in this thread | | | Date | Thu, 25 Jan 2007 21:26:22 +1100 | From | Nick Piggin <> | Subject | Re: [PATCH 1/2]: Fix BUG in cancel_dirty_pages on XFS |
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David Chinner wrote:
> Only if we leave the page in the page cache. If we toss the page, > the time it takes to do the I/O for the page fault is enough for > the direct I/o to complete. Sure it's not an absolute guarantee, > but if you want an absolute guarantee:
So I guess you *could* relax it in theory... Anyway, don't take my pestering as advocacy for wanting XFS to do something more clever in such a corner case. I think you're quite right to be conservative and share codepaths between direct IO read and write.
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