On Jun 27, 2014, at 4:08 PM, Chris Murphy <li...@colorremedies.com> wrote:
> > On Jun 27, 2014, at 2:07 PM, Sébastien ROHAUT <sebastien.roh...@free.fr> > wrote: > >> Hi, >> >> In the wiki, it's said we can mount subvolumes with different mount options. >> nosuid, nodev, rw and ro are listed, as valid generic mount options. > > This might require 3.15. I don't recall it working with early 3.14 kernels, > but by 3.14.3 I'd moved onto testing 3.15. [root@f20v ~]# mount /dev/sda3 /mnt [root@f20v ~]# btrfs subvol create /mnt/test Create subvolume '/mnt/test' [root@f20v ~]# umount /mnt [root@f20v ~]# mount -o ro,subvol=test /dev/sda3 /mnt mount: /dev/sda3 is already mounted or /mnt busy /dev/sda3 is already mounted on / /dev/sda3 is already mounted on /home /dev/sda3 is already mounted on /var /dev/sda3 is already mounted on /boot [root@f20v ~]# uname -r 3.14.6-200.fc20.x86_64 I don't know if this feature will be backported to stable kernels. If not, then probably the wiki should say it's a 3.15+ feature. Chris Murphy -- 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