Messages in this thread | | | Date | Fri, 2 Jan 2004 11:09:09 +0100 | From | Jens Axboe <> | Subject | Re: ext2 on a CD-RW |
| |
On Fri, Jan 02 2004, Arjan van de Ven wrote: > On Fri, 2004-01-02 at 02:30, Peter Osterlund wrote: > > > The packet writing code has the restriction that a bio must not span a > > packet boundary. (A packet is 32*2048 bytes.) If the page when mapped > > to disk starts 2kb before a packet boundary, merge_bvec_fn therefore > > returns 2048, which is less than len, which is 4096 if the whole page > > is mapped, so the bio_add_page() call fails. > > devicemapper has similar restrictions for raid0 format; in that case > it's device-mappers job to split the page/bio. Just as it is UDF's task > to do the same I suspect...
It has nothing to do with UDF, it's a driver problem (API breakage).
-- Jens Axboe
- 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/
| |