Re: [PATCH 3/3] autofs: add ignore mount option

Al Viro
2019-01-30T04:18:34Z

On Wed, Jan 30, 2019 at 10:44:15AM +0800, Ian Kent wrote:

> Al,
>
> On a different note the above request also raised another
> question about statvfs(3) automount behaviour.
>
> In glibc statvfs(3) uses statfs(2) and translates the return
> to a statvfs structure.
>
> I wasn't aware but apparently statvfs(3) (and presumably statfs(2))
> doesn't trigger an automount on Solaris whereas we do. I think
> statfs() is probably the only exception to the convention that
> stat family system calls don't trigger an automount.
>
> So far I've said that this is a long standing behaviour in the
> Linux kernel and changing it could lead to unpleasant surprises
> for those that have come to expect this behaviour so such a change
> would not be well received.
>
> But I do need to ask your opinion, so what are your thoughts about
> changing this?

Probably should've done it that way, but I'm afraid it's much too
late by now...