Messages in this thread | | | Date | Thu, 29 Aug 2002 12:57:47 -0700 | From | Andrew Morton <> | Subject | Re: /pub/linux/kernel/people/hedrick/ide-2.5.32 |
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Andre Hedrick wrote: > > ... > There is one more thing to fix. > > ./fs/mpage.c > > /* > * The largest-sized BIO which this code will assemble, in bytes. Set this > * to PAGE_CACHE_SIZE if your drivers are broken. > */ > #define MPAGE_BIO_MAX_SIZE 32768 //BIO_MAX_SIZE > > This is confirmed with Al Viro and was required to make things sane!
You'll need to do the same thing to fs/direct-io.c:DIO_BIO_MAX_SIZE in that case.
I'd suggest that you just go in and change BIO_MAX_SECTORS to 64. Or 32 if you happen to be using a qlogic controller :(
So everything's broken in there - a hardwired constant doesn't cut it. Jens is cooking up an `add_page_to_bio()' API which will do the right thing based upon q->max_sectors. But that is not yet available. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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