Re: [dm-devel] dm bufio: Reduce dm_bufio_lock contention

2018-06-12 Thread Mike Snitzer
On Tue, Jun 12 2018 at 4:03am -0400, Jing Xia wrote: > Performance test in android reports that the phone sometimes gets > hanged and shows black screen for about several minutes.The sysdump shows: > 1. kswapd and other tasks who enter the direct-reclaim path are waiting > on the dm_bufio_lock;

Re: [dm-devel] dm-thin: Why is DATA_DEV_BLOCK_SIZE_MIN_SECTORS set to 64k?

2018-06-12 Thread Joe Thornber
On Sat, Jun 09, 2018 at 07:31:54PM +, Eric Wheeler wrote: > I understand the choice. What I am asking is this: would it be safe to > let others make their own choice about block size provided they are warned > about the metadata-chunk-size/pool-size limit tradeoff? > > If it is safe, can we

Re: [dm-devel] [Query] Failed to create dm-crypt device when using AEAD type

2018-06-12 Thread Xiongfeng Wang
Hi Milan, Thanks so much! It worked. No integrity errors are printed after I wipe the device. I am stuck in these errors for about a week. Thanks again! Regards, Xiongfeng On 2018/6/12 13:50, Milan Broz wrote: > On 06/12/2018 07:37 AM, Xiongfeng Wang wrote: >> Hi Dm-crypt maintainers, >> >> Rec