On Fri, Oct 19, 2012 at 1:02 PM, Marguerite Su <i@xxxxxxxxxxxxx> wrote: > On Sat, Oct 20, 2012 at 2:35 AM, cwillu <cwillu@xxxxxxxxxx> wrote: >> Without space_cache (once), btrfs has to repopulate that information >> the slow way every mount; with it, it can just load the data from the >> last unmount (modulo some consistency checks). >> >> The setting is sticky, so you don't actually need it in fstab any more >> (although it won't hurt anything either). > > Thanks, cwillu! > > I transfer the message to openSUSE bugzilla and ask them help making > that happen by default in openSUSE. > > Marguerite Apparently mkfs.btrfs does set it by default now, so perhaps your filesystem predates the change, or suse's btrfs-progs is too old. mkfs.btrfs /dev/whatever followed by mounting with no options should print "btrfs: disk space caching is enabled" to dmesg if your mkfs is new enough, if you wish to test. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
