On Sat, Dec 15, 2012 at 5:23 PM, Russell Coker <russell+bt...@coker.com.au> wrote: > I've got a system running Debian kernel 3.2.0-4-amd64 with root on a SSD that > identifies itself as "INTEL SSDSC2CT12 300i" (it's an Intel 120G device).
3.2 is massively old in btrfs terms, with lots of fun little stability and performance bugs. > Here is the /proc/mounts entry which shows that ssd and discard options are > enabled. > > /dev/disk/by-uuid/7939c405-c656-4e85-a6a0-29f17be09585 / btrfs > rw,seclabel,nodev,noatime,ssd,discard,space_cache 0 0 Don't use discard; it's a non-queuing command, which means your performance will suck unless your device is _really_ terrible at garbage collection (in which case, it's just the lesser of two evils). -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html