Messages in this thread | | | From | David Howells <> | Subject | Re: [RFD] A mount api that notices previous mounts | Date | Wed, 30 Jan 2019 13:01:54 +0000 |
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Karel Zak <kzak@redhat.com> wrote:
> It seems more elegant is to ask for Nth option as expected by fsinfo().
More elegant yes, but there's an issue with atomiticity[*]. I'm in the process of switching to something that returns you a single buffer with all the options in, but each key and each value is preceded by a length count.
The reasons for not using separator characters are:
(1) There's no separator char that cannot validly occur within an option[**].
(2) Makes it possible to return binary values if we need to.
David
[*] Atomic with respect to remount calls, that is.
[**] Oh, and look at cifs where you can *change* the separator char during option parsing ("sep=<char>").
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