Hi,
I wonder what is the correct way to find a mount which is mounted to a
certain target directory. findmnt --target will also find a mount if
you specify a subdirectory of a mountpoint:
$ mkdir /tmp/bla
$ findmnt --target /tmp/bla
TARGET SOURCE FSTYPE OPTIONS
/tmp /dev/mapper/vg0-tmpdirs[/tmp] ext4 ....
The man page let me think that --target should not find the parent
directory.
man findmnt:
[...]
findmnt [options] device|mountpoint
findmnt [options] [--source] device [--target] mountpoint
[...]
The device may be specified by [...]. Note that a device name may be
interpreted as a mountpoint (and vice versa) if the --target
or --source options are not specified.
[...]
-T, --target dir
Explicitly define the mount target (mountpoint directory).
I'm asking because even our test-suite is using findmnt wrong, for
example tests/ts/mount/move:
[...]
# move
$TS_CMD_MOUNT --move $DIR_A $DIR_B
# check the move
$TS_CMD_FINDMNT --kernel --target "$DIR_B" &> /dev/null
[ "$?" == "0" ] || ts_die "Cannot find binded $DIR_B"
[...]
This findmnt line will never fail I guess.
cu,
Rudi
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