Re: [dm-devel] [PATCH v2 0/6] Multipath io_err_stat fixes

2021-01-15 Thread Martin Wilck
On Thu, 2021-01-14 at 20:20 -0600, Benjamin Marzinski wrote: > I found an ABBA deadlock in the io_err_stat marginal path code, and > in > the process of fixing it, noticed a potential crash on shutdown. This > patchset addresses both of the issues. > > Changes from v1: > > 0002: use cleanup_mutex

[dm-devel] [PATCH v2 0/6] Multipath io_err_stat fixes

2021-01-14 Thread Benjamin Marzinski
I found an ABBA deadlock in the io_err_stat marginal path code, and in the process of fixing it, noticed a potential crash on shutdown. This patchset addresses both of the issues. Changes from v1: 0002: use cleanup_mutex instead of cleanup_unlock as suggested by Martin 0003: add pthread_testcanc