On Wed, Aug 12, 2015 at 12:36 AM, Ming Lin <mlin@xxxxxxxxxx> wrote: > On Tue, 2015-08-11 at 17:38 -0800, Kent Overstreet wrote: >> On Tue, Aug 11, 2015 at 10:59:42AM -0700, Ming Lin wrote: >> > On Tue, 2015-08-11 at 00:34 -0800, Kent Overstreet wrote: >> > > Like in other filesystems, you can now do >> > > >> > > mount /dev/sda1 /foo >> > > mount /dev/sda1 /bar >> > > >> > > What this really means is that if the udev hook has registered the bcache device >> > > via the old style sysfs interface for caching, you'll still be able to mount the >> > > device like normal. >> > >> > Thanks! >> > >> > BTW, could you share the bcachefs long term development plans and short >> > term high priority tasks? >> >> Right now, my main priority is stabilizing it and making it usable - fixing all >> the things that people are going to trip over when they try it out. I want to >> get it somewhat more polished before I announce on linux-fsdevel. >> >> The big thing I'm working on at the moment is debugging atomic renames, I had to >> back that code out at the last minute. >> >> > I'd like to pick something to work on. Probably the debugfs tool you >> > mentioned or other things? >> >> One thing that would actually be really helpful is more benchmarking vs. >> ext4/xfs - identifying areas where there's still more performance work to do. >> >> The debugfs tool is definitely important but that's a longer term thing. If >> you're feeling productive like that feel free to keep going with it. >> >> Really though right now the main thing we need is more testing and debugging. > > I have run xfstests. Here is the results for generic tests. > http://minggr.net/pub/bcachefs/xfstests.log > > One thing is fallocate not supported yet. Is it known? Yes, fallocate is not implemented in bch_file_operations. > > root@bee:~# mount |grep bcache > /dev/sda on /mnt/test type bcache (rw,relatime) > > root@bee:~# fallocate -l 4096 /mnt/test/hello.c > fallocate: /mnt/test/hello.c: fallocate failed: Operation not supported > -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
