On Thu, Jan 31, 2013 at 11:02 AM, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > On Wed, Jan 30 2013 at 8:48pm -0500, > Kent Overstreet <koverstreet@xxxxxxxxxx> wrote: > >> On Wed, Jan 30, 2013 at 05:27:47PM -0800, Kent Overstreet wrote: >> > On Wed, Jan 30, 2013 at 05:26:27PM -0800, Kent Overstreet wrote: >> > > On Wed, Jan 30, 2013 at 07:10:21PM -0500, Mike Snitzer wrote: >> > > > On Wed, Jan 30 2013 at 6:36pm -0500, >> > > > Kent Overstreet <koverstreet@xxxxxxxxxx> wrote: >> > > > >> > > > > Fixed a bunch of other bugs today too... notably the bug where it'd >> > > > > crash if you enabled discards. Was there anything else you or anyone >> > > > > else was hitting? >> > > > >> > > > Great, thanks, the other outstanding report was this one: >> > > > https://lkml.org/lkml/2013/1/17/554 >> > > >> > > Yep, that was the discard bug I just fixed. >> > >> > Err I misread - nope, I missed that one. Taking a look now. >> >> Fucking shrinkers, i swear that's one of the most nonsensical APIs I've >> yet encountered. >> >> This is going to take some thought. For now, just disable the shrinker: >> >> echo 1 > /sys/fs/bcache/<uuid>/internal/btree_shrinker_disabled > > Oddly I don't have a /sys/fs/bcache/<uuid> even though I have created > /dev/bcache0 > > The only files I have in /sys/fs/bcache/ are: register register_quiet That means you have a backing device registered, but not a cache device -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel