Comment # 15 on bug 1147412 from Coly Li

(In reply to Gary Buchanan from comment #14)
> (In reply to Coly Li from comment #12)
> > For the backing disk busy issue, can you see a file 
> >     /sys/fs/bcache/pendings_cleanup
> > 
> > If the kernel is new enough to have this file, try
> >     echo 1 > /sys/fs/bcache/pendings_cleanup
> > then the pending backing device (which is waiting for its dirty cache
> > device) will be stopped.
> 
> I found this file while running a 5.5.7 kernel.  After figuring out that
> sudo was not going to work, I did the echo. I had expected some reaction,
> did not even return to the prompt.  I tried on other occasions, and got the
> same thinhg. At some later time I thought to continue with the re-making of
> the bcache set up.  For not knowing what I was doing, it all worked fine.  I
> was able to destroy and re-create the cached/caching set up.  As far as I
> can tell, it is working.  I am currently on a 5.6.2 kernel (Tumbleweed).
> 
> I do not actually have a Leap 15.x system, I have been using Tumbleweed
> almost exclusively and have not updated past 42.3(?) on my
> leave-it-alone-and-don't-mess-with-it system.

Thanks for the update. Recently I also have a bug report for a potential issue
in bache internal btree. The patch will go into Linux v5.7 and I will back port
it into Tumbleweed kernel. Once I am sure the patch is merged and the kernel is
released, I will let you know for further verification.

Coly Li