Messages in this thread | | | From | David Howells <> | Subject | Re: file metadata via fs API | Date | Wed, 12 Aug 2020 14:06:25 +0100 |
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Miklos Szeredi <miklos@szeredi.hu> wrote:
> That presumably means the mount ID <-> mount path mapping already > exists, which means it's just possible to use the open(mount_path, > O_PATH) to obtain the base fd.
No, you can't. A path more correspond to multiple mounts stacked on top of each other, e.g.:
mount -t tmpfs none /mnt mount -t tmpfs none /mnt mount -t tmpfs none /mnt
Now you have three co-located mounts and you can't use the path to differentiate them. I think this might be an issue in autofs, but Ian would need to comment on that.
David
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