Messages in this thread | | | Date | Wed, 16 Nov 2005 21:02:15 +0100 | From | Jens Axboe <> | Subject | Re: [PATCH] libata error handling fixes (ATAPI) |
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On Wed, Nov 16 2005, Bartlomiej Zolnierkiewicz wrote: > > > which of course didn't work, so it was changed to the above which then > > > broke the assumption of what type of requests we expect to see in > > > ide_softirq_done(). We can't generically handle this case, so it's > > > probably best to just add this logic to __ide_end_request() - it's just > > > another case for _not_ using the blk_complete_request() path, just like > > > the partial case. > > > > Sounds better but I honestly think that you simply cannot obtain > > reliable nr_sectors to complete for FS/PC requests just from the > > request type. Two examples are: failed disk flush requests and > > cd noretry requests (both are of FS type). > > first example is bad :-)
Both your examples are wrong - a flush request is non-fs/pc, and noretry requests doesn't impact the type of the request at from this POV.
> > IMO the best way to fix it is to actually move more (not less!) of > > the logic from driver->end_request() paths to ide_softirq_done(). > > Your latest patch is also a good way to fix it > (now the only thing left is rq->errors/rq->retries discussed earlier).
Yeah, that is still pending... I updated the patch series so it's a clean 1-2-3-4 step series now, there instead of this little additions.
-- Jens Axboe
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