[dm-devel] staged dm_internal_{suspend, resume} related changes for wider review

Mikulas Patocka mpatocka at redhat.com
Mon Nov 3 23:25:05 UTC 2014

On Tue, 28 Oct 2014, Mike Snitzer wrote:

> I pushed rebased versions of these patches to linux-dm.git's
> 'dm-for-3.19' branch (and pulled into 'for-next' purely to get the
> kernel.org autobuilders testing the code).  See top 3 commits here:
> https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/log/?h=dm-for-3.19
> I'm open to any and all changes or dropping code entirely; so me staging
> like this is just to keep the review ball rolling as quickly as
> possible.
> But in particular we need to get Mikulas' and Bryn's feedback on how the
> dm_internal_{suspend,resume} changes impact dm-stats.
> Mike


As I said on irc - it is not correct to take a mutex from one syscall and 
drop the mutex from another syscall.

I hope Joe can use the bio prison to block bios while the pool is 


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