Messages in this thread |  | | From | Zach Brown <> | Subject | Re: [PATCH] aio: propogate post-EIOCBQUEUED errors to completion event | Date | Mon, 19 Feb 2007 16:26:18 -0800 |
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>> I would argue that one common cause of the EIO is userland >> error (mmap concurrent with O_DIRECT), and EIO is the correct answer. > > I disagree. That means that using the pagecache to synchronize > things like > the proposed online defragmentation will occasionally make O_DIRECT > users > fail.
Well, only if the pages couldn't be invalidated. Arguably ext3 should be trying a lot harder to invalidate before giving up and returning failure from invalidate_page().
Hopefully this all goes away in the long term with Chris' "placeholder" work that stops insertions into the radix tree while dio ops are in flight.
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