Andrew Morton wrote on Monday, December 04, 2006 11:36 AM
> On Mon, 4 Dec 2006 08:26:36 -0800
> "Chen, Kenneth W" <[email protected]> wrote:
>
> > So it's not possible to call down to generic_file_aio_read/write with invalid
> > iov segment. Patch proposed to delete these redundant code.
>
> erp, please don't touch that code.
>
> The writev deadlock fixes which went into 2.6.17 trashed writev()
> performance and Nick and I are slowly trying to get it back, while fixing
> the has-been-there-forever pagefault-in-write() deadlock.
>
> This is all proving very hard to do, and we don't need sweeping code
> cleanups happening under our feet ;)
>
> I'll bring those patches back in next -mm, but not very confidently.
OK, I will wait until that bug settles down and resubmit. I really don't
see the value of walking the iov multiple times doing the same thing.
I will also dig up the archive to see if I can help in any way.
- Ken
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