Re: [PATCH blktests 0/3] Add NVMeOF multipath tests

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On Tue, Sep 18, 2018 at 05:02:47PM -0700, Bart Van Assche wrote:
> On 9/18/18 4:24 PM, Omar Sandoval wrote:
> > On Tue, Sep 18, 2018 at 02:20:59PM -0700, Bart Van Assche wrote:
> > > Can you have a look at the updated master branch of
> > > https://github.com/bvanassche/blktests? That code should no longer fail if
> > > unloading the nvme kernel module fails. Please note that you will need
> > > kernel v4.18 to test these scripts - a KASAN complaint appears if I run
> > > these tests against kernel v4.19-rc4.
> > 
> > Thanks, these pass now. Is it expected that my nvme device gets a
> > multipath device configured after running these tests?
> > 
> > $ lsblk
> > NAME     MAJ:MIN RM SIZE RO TYPE  MOUNTPOINT
> > vda      254:0    0  16G  0 disk
> > └─vda1   254:1    0  16G  0 part  /
> > vdb      254:16   0   8G  0 disk
> > vdc      254:32   0   8G  0 disk
> > vdd      254:48   0   8G  0 disk
> > nvme0n1  259:0    0   8G  0 disk
> > └─mpatha 253:0    0   8G  0 mpath
> 
> No, all multipath devices that were created during a test should be removed
> before that test finishes. I will look into this.
> 
> > Also, can you please fix:
> > 
> > 	_have_kernel_option NVME_MULTIPATH && exit 1
> > 
> > to not exit on failure? It should use SKIP_REASON and return 1. You
> > might need to add something like _dont_have_kernel_option to properly
> > handle the case where the config is not found.
> 
> OK, I will change this.
> 
> > Side note which isn't a blocker for merging is that there's a lot of
> > duplicated code between these helpers and the srp helpers. How hard
> > would it be to refactor that?
> 
> Are you perhaps referring to the code that is shared between the
> tests/srp/rc tests/nvmeof-mp/rc shell scripts?

Yes, those.

> The hardest part is probably
> to chose a location where to store these functions. Should I create a file
> with common code under common/, under tests/srp/, under tests/nvmeof-mp/ or
> perhaps somewhere else?

Just put it under common.

Thanks!



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