On Fri, Mar 31, 2017 at 12:41:22PM +0200, Rüdiger Meier wrote: > On 03/31/2017 12:03 PM, Rüdiger Meier wrote: > > > > > > On 03/31/2017 11:19 AM, Karel Zak wrote: > > > On Fri, Mar 31, 2017 at 11:00:24AM +0200, Rüdiger Meier wrote: > > > > $ truncate -s100M /tmp/img > > > > $ losetup /dev/loop0 /tmp/img > > > > $ mkfs.ext2 /dev/loop0 > > > > > > > > $ mkdir /tmp/mnt > > > > $ ln -s /tmp /tmp/xyz/symlink > > > > > > > > $ mount /dev/loop0 /tmp/xyz/symlink/mnt > > > > $ mount | grep loop > > > > /dev/loop0 on /tmp/mnt type ext2 ... > > > > > > > > > > > > I need a command which outputs "/dev/loop0" when > > > > "/tmp/xyz/symlink/mnt" is > > > > given. > > > > > > $ findmnt -no SOURCE /tmp/xyz/symlink/mnt > > > /dev/loop0 > > > > Thank's. Now I remember that you have told me that already one day. :) > > BTW is there also a way to get "findmnt -n -o SOURCE" working if the > argument is not a mount point but a regular file on another mount > point? (In opposite of my initial question.) $ findmnt --target /home/kzak/.bash_profile TARGET SOURCE FSTYPE OPTIONS /home /dev/sda3 ext4 rw,relatime,data=ordered Note that it's probably better to use (for the previous example) the option --mountpoint if you want to be sure that the path is interpreted as mountpoint and never as a regular file. > I don't like that all these questions here are answered using "df". > http://unix.stackexchange.com/questions/90252/how-to-get-mount-point-of-filesystem-containing-given-file > > http://unix.stackexchange.com/questions/128471/determine-what-device-a-directory-is-located-on Well... :-) Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
