Hello, On 05/15/2014 07:30 PM, Jens Axboe wrote: > On 05/15/2014 02:02 AM, Francis Moreau wrote: >> Hello Jens, >> >> On 05/12/2014 08:27 PM, Peter Kieser wrote: >>> >>> On 2014-05-05 3:30 PM, Nikolay Amiantov wrote: >>>> 2014-05-02 1:52 GMT+04:00 Slava Pestov <sp@xxxxxxxxx>: >>>>> There were two issues here: >>>>> >>>>> - writeback thread did not start until the device first became dirty >>>>> - writeback thread used uninterruptible sleep once running >>>>> >>>>> Without this patch I see kernel warnings printed and a load average of >>>>> 1.52 after booting my test VM. With this patch the warnings are gone and >>>>> the load average is near 0.00 as expected. >>>> I've tried this patch and it has indeed fixed [1]! Thanks! >>>> >>>> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=69471 >>> >>> Kent, >>> >>> Could you please review this patch, and have it pushed upstream? >>> >> >> Would it be possible to merge this patch directly before 3.15 is being >> released since kent don't seem to care about bugs in bcache or maybe he >> does but very selectively ? >> >> Also it would be great that stable trees will be fixed. >> >> Eventually I would suggest to mark bcache as an experimental thing since >> it's really not ready for production, just take a look at the bcache >> mailing list to see why. At least people won't be disappointed when >> they'll use bcache and see ton of koops. > > I'd really like to get Kent to weigh in on this. Sometimes it appears > straightforward to switch from uninterruptible to interruptible sleep, > but then signals get in the way. > Any progress ? Thanks. -- 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
