On Fri, May 20, 2016 at 12:45 AM, <fdmanana@xxxxxxxxxx> wrote: > From: Filipe Manana <fdmanana@xxxxxxxx> > > After it finishes processing a device extent, the device replace code sets > back the block group to RW mode and then after that it sets the left cursor > to match the logical end address of the block group, so that future writes > into extents belonging to the block group go both the source (old) and > target (new) devices. However from the moment we turn the block group > back to RW mode we have a short time window, that lasts until we update > the left cursor's value, where extents can be allocated from the block > group and written to, in which case they will not be copied/written to > the target (new) device. Fix this by updating the left cursor's value > before turning the block group back to RW mode. > > Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx> Reviewed-by: Josef Bacik <jbacik@xxxxxx> Thanks, Josef -- 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
