On 2005-04-25T11:34:32, "goggin, edward" <egoggin@xxxxxxx> wrote:
> Should the bi_error field of a failed bio clone completion be propagated
> upwards into the parent of the cloned bio, possibly in dec_pending() of
> dm.c? Doing so will allow target drivers higher than the one managing
> the bottom-most mapped device to have access to enhanced bio sense
> and error information. Otherwise, all they see is -EIO like now.
Probably yes. Good point.
Right now only dm-mpath knows about them of course, and we're very
likely to be the lowest mapped device in the stack. But propagating the
error upward might make sense.
Sincerely,
Lars Marowsky-Brée <lmb@xxxxxxx>
--
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX Products GmbH - A Novell Business
