Re: Filesystem configuration parsers - (was: Re: [RESEND][PATCH] xfs: add online uevent for mount operation)

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On Thu, Aug 24, 2017 at 08:04:41PM +0200, Luis R. Rodriguez wrote:
> On that note FWIW, at this point I've reviewed 4 libraries for mkfs.xfs:
> 
>   o libconfig -- we want to stay away from this [0]
>   o e2fsprogs libprofile -- its a fork of krb5 libparser, size-wise this is [1]
>     a best option, however its also a fork on its own, or 
>   o libini_config -- my pick and what I recommend [2] due it supporting
>     uint64_t well, having a good new community traction, and a good set of
>     tests
>   o nfs: has its own incarnation of a library
> 
> *Iff* we want to share the same library for mkfs.xfs and also a udev helper,
> then a new requirement here is perhaps also having a respective library on
> other higher level language like python for instance, if not now perhaps
> for the future. Unless of course we'd expect such udev heleprs to be C
> based.
> 
> [0] https://gitlab.com/mcgrof/libconfig-int64-issues
> [1] https://gitlab.com/mcgrof/libekprofile
> [2] https://gitlab.com/mcgrof/libini_config-demo

FWIW -- for a more thorough evaluation folks can read a bit more about
configuration file uses for filesystems on this work-in-progress paper:

https://gitlab.com/mcgrof/filesystem-configuration-paper/blob/master/paper.pdf

It does not take into account the newly mentioned possible use case as this
is new and just now considered.

Feedback/rants on other points welcomed.

  Luis



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