On Tue, Sep 11, 2012 at 11:45 AM, Tejun Heo <tj@xxxxxxxxxx> wrote: > Hello, > > On Tue, Sep 11, 2012 at 11:36:28AM -0700, Muthu Kumar wrote: >> Does this preserve the CPU from which the bio was submitted >> originally. Not familiar with cmwq, may be Tejun can clarify. >> >> Tejun - the question is, do we honor the rq_affinity with the above >> rescue worker implementation? > > The work item would run from the same CPU but there isn't any > mechanism to keep track of the issuing CPU if there are multiple bios > to be rescued. Isn't rq_affinity an optimization hint? If so, I > don't think it matters here. > Thanks... Just worried about performance impact. Kent - Anything to validate that the performance is not impacted would be really good. Otherwise, the patch looks great. Feel free to add: Reviewed-by: Muthukumar Ratty <muthur@xxxxxxxxx> Regards, Muthu > Thanks. > > -- > tejun -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
