On 12 September 2016 at 19:55, Austin S. Hemmelgarn <ahferro...@gmail.com> wrote: > I'm not sure about gparted, but the default behavior for mkfs is as follows: > 1. Is the device rotational? (check /sys/block/<device>/rotational). If > not, do some extra stuff to try and ID it as an SSD. If it is an SSD, use > SINGLE mode for metadata, otherwise use DUP mode for metadata. > 2. Is the FS set for mixed-bg? If so, use the same profile for data as > metadata, otherwise use SINGLE mode for data. > > It would not surprise me if gparted switches to single metadata mode for a > small enough FS, but I'm not certain. I do think that they just use the > default selection for mixed-bg though, which means not using it in current > btrfs-progs versions.
GParted always just takes the mkfs.btrfs defaults. https://git.gnome.org/browse/gparted/tree/src/btrfs.cc?h=GPARTED_0_26_1#n154 -- 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
