Hi Dan, On Monday 27 August 2007 23:12, you wrote: > This still looks racy... I think the complete fix is to make the > R5_Wantfill and dev_q->toread accesses atomic. Please test the > following patch (also attached) and let me know if it fixes what you are > seeing: Your approach doesn't help, the Bonnie++ utility hangs up during the ReWriting stage. Note that before applying your patch I rolled my fix in the ops_complete_biofill() function back. Do I understand it right that your patch should be used *instead* of my one rather than *with* it ? Regards, Yuri - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html