Re: mount api: Q on behavior of mount_single vs. get_tree_single

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On 1/20/25 5:23 AM, Christian Brauner wrote:

...

>> While it seems odd to me that mounting any "_single" sb filesystem would
>> reconfigure all of its current mounts on a new mount, that's the way it
>> used to work for everyone, as far as I can tell, so I was assuming that
>> we'd need to keep the behavior. But if it's a question of just fixing it
>> up per-filesystem, I don't mind going that route either.
> 
> So far it hasn't lead to any regressions and we had the new behavior for
> quite a while.

Well, it regressed tracefs & devtmpfs so far. *shrug* Working on pstore now,
which also ends up with diff. behavior by default. But I'll just work around
it for that patch, I suppose.

Thanks,
-Eric




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