Messages in this thread | | | Date | Sat, 29 Dec 2007 07:48:25 +0100 (CET) | From | Jan Engelhardt <> | Subject | Re: RFC: permit link(2) to work across --bind mounts ? |
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On Dec 28 2007 22:02, dean gaudet wrote: > >i was trying to come up with a userland-only change in mount(8) which >would behave like so: > ># mount --subtree var /dev/md1 /var > internally mount does: > - mount /dev/md1 /tmpmnt > - mount --bind /tmpmnt/var /var > - umount /tmpmnt > ># mount --subtree home /dev/md1 /home > internally mount does: > - mount /dev/md1 /tmpmnt > - mount --bind /tmpmnt/home /home > - umount /tmpmnt > >but that second mount would fail because /dev/md1 is already mounted >(but the mount point is gone)...
I do not think it would fail. Like this:
# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/home 208486056 158605472 49880584 77% /home # mount /dev/mapper/home /mnt # df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/home 208486056 158605472 49880584 77% /home /dev/mapper/home 208486056 158605472 49880584 77% /mnt
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