> > It might have some issues in the way it's implemented, I'll look if > > we can do something. But I suspect cfq delaying async writes too much > > is definitively going to cause issues for us here. > > It's definitely a problem that cfq delays async writes too much. > However in Carlos's report, > > https://bugzilla.kernel.org/attachment.cgi?id=61222 > > there are no sync(1) or fsync running at all. So it may be indicating > a different problem. Sorry, your assumption is still valid: there are several bash doing xfs_read()s which will generate the required sync IO to livelock async writes. Thanks, Fengguang -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
