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Re: How to get mount options of a mounted volume?
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Re: How to get mount options of a mounted volume?


  • Subject: Re: How to get mount options of a mounted volume?
  • From: Oleg Krupnov <email@hidden>
  • Date: Wed, 12 Oct 2011 09:12:02 +0300

Hi Ken,

Bingo! The f_flags field of statfs structure. Thanks, Ken.

I've also checked FSMegaInfo, but I haven't found any additional ways
to check the mount flags. It seems to use the same BSD statfs way.

Oleg.

On Wed, Oct 12, 2011 at 5:51 AM, Ken Thomases <email@hidden> wrote:
> On Oct 11, 2011, at 6:42 AM, Oleg Krupnov wrote:
>
>> I'd like to get the mount options of a particular volume (like "rw",
>> "nobrowse", "automounted" etc.) of a mounted volume, like those I get
>> when I run "mount" command in the Terminal.
>
> There are many ways to get volume information.  For the mount flags, you can look at statfs().
>
> It can also be instructive to look at the documentation for the getattrlist() function.  It is basically the swiss army knife of file system APIs.  It's what most of the others are based on.
>
> Apple's FSMegaInfo sample is a good tool for exploring the various APIs for querying file system data, although it's getting a bit long in the tooth now, and is missing some of the newer APIs.
> https://developer.apple.com/library/mac/#samplecode/FSMegaInfo/Introduction/Intro.html
>
> Cheers,
> Ken
>
>
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  • Follow-Ups:
    • Re: How to get mount options of a mounted volume?
      • From: Ken Thomases <email@hidden>
References: 
 >How to get mount options of a mounted volume? (From: Oleg Krupnov <email@hidden>)
 >Re: How to get mount options of a mounted volume? (From: Ken Thomases <email@hidden>)

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