Re: [dm-devel] md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-26 Thread Martin Wilck
On Thu, 2021-03-25 at 11:14 -0400, Mike Snitzer wrote: > On Wed, Mar 24 2021 at  9:21pm -0400, > Zhiqiang Liu wrote: > > > > > > > On 2021/3/22 22:22, Mike Snitzer wrote: > > > On Mon, Mar 22 2021 at  4:11am -0400, > > > Christoph Hellwig wrote: > > > > > > > On Sat, Mar 20, 2021 at 03:19:23P

Re: md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-25 Thread Mike Snitzer
On Wed, Mar 24 2021 at 9:21pm -0400, Zhiqiang Liu wrote: > > > On 2021/3/22 22:22, Mike Snitzer wrote: > > On Mon, Mar 22 2021 at 4:11am -0400, > > Christoph Hellwig wrote: > > > >> On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: > >>> From: Zhiqiang Liu > >>> > >>> When we m

Re: md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-24 Thread Zhiqiang Liu
On 2021/3/22 22:22, Mike Snitzer wrote: > On Mon, Mar 22 2021 at 4:11am -0400, > Christoph Hellwig wrote: > >> On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: >>> From: Zhiqiang Liu >>> >>> When we make IO stress test on multipath device, there will >>> be a metadata err becaus

Re: md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-24 Thread Zhiqiang Liu
On 2021/3/24 1:11, Ewan D. Milne wrote: > On Tue, 2021-03-23 at 15:47 +0800, lixiaokeng wrote: >> >> On 2021/3/22 22:22, Mike Snitzer wrote: >>> On Mon, Mar 22 2021 at 4:11am -0400, >>> Christoph Hellwig wrote: >>> On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: > From: Z

Re: md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-23 Thread Ewan D. Milne
On Tue, 2021-03-23 at 15:47 +0800, lixiaokeng wrote: > > On 2021/3/22 22:22, Mike Snitzer wrote: > > On Mon, Mar 22 2021 at 4:11am -0400, > > Christoph Hellwig wrote: > > > > > On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: > > > > From: Zhiqiang Liu > > > > > > > > When we mak

Re: md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-23 Thread lixiaokeng
On 2021/3/22 22:22, Mike Snitzer wrote: > On Mon, Mar 22 2021 at 4:11am -0400, > Christoph Hellwig wrote: > >> On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: >>> From: Zhiqiang Liu >>> >>> When we make IO stress test on multipath device, there will >>> be a metadata err becaus

Re: md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-22 Thread Mike Snitzer
On Mon, Mar 22 2021 at 4:11am -0400, Christoph Hellwig wrote: > On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: > > From: Zhiqiang Liu > > > > When we make IO stress test on multipath device, there will > > be a metadata err because of wrong path. In the test, we > > concurrent e

Re: [PATCH] md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-22 Thread Christoph Hellwig
On Sat, Mar 20, 2021 at 03:19:23PM +0800, Zhiqiang Liu wrote: > From: Zhiqiang Liu > > When we make IO stress test on multipath device, there will > be a metadata err because of wrong path. In the test, we > concurrent execute 'iscsi device login|logout' and > 'multipath -r' command with IO stres

Re: [PATCH] md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-20 Thread kernel test robot
to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Zhiqiang-Liu/md-dm-mpath-check-whether-all-pgpaths-have-same-uuid-in-multipath_ctr/20210320-195717 base: https://git.kernel.org/pub/scm/linux/kernel/git/dev

[PATCH] md/dm-mpath: check whether all pgpaths have same uuid in multipath_ctr()

2021-03-20 Thread Zhiqiang Liu
From: Zhiqiang Liu When we make IO stress test on multipath device, there will be a metadata err because of wrong path. In the test, we concurrent execute 'iscsi device login|logout' and 'multipath -r' command with IO stress on multipath device. In some case, systemd-udevd may have not time to pr