> On 20. Aug 2018, at 10:34, Emmanuel Dreyfus <m...@netbsd.org> wrote: > > On Thu, Aug 16, 2018 at 12:18:34PM +0200, J. Hannken-Illjes wrote: >> - 001_add_sc_state replaces the flags FSS_ACTIVE and FSS_ERROR with >> a state field. >> >> - 002_extend_state adds states for construction or destruction of >> a snapshot and fss_ioctl no longer blocks forever waiting for >> construction or destruction of a snapshot to complete. >> >> Opinions? > > I applied that to NetBSD-8.0, and it seems to behave much better.
Good. > What about the deadlock scenario you mentionned, e.g. taking > multiple snapshots of / at the same time, or a snapshot of / > and /home at the same time? Should they work with this patch? Suppose you mean the "All processes go tstile" thread ... This patch will change nothing mentioned there. As I already asked: - The first thirty lines of "dumpfs /home" please. - Did you use "dump -x ..." or "dump -X"? - Did the "dump" process hang? -- J. Hannken-Illjes - hann...@eis.cs.tu-bs.de - TU Braunschweig (Germany)
