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List:       linux-keyrings
Subject:    Re: Upcoming: Notifications, FS notifications and fsinfo()
From:       David Howells <dhowells () redhat ! com>
Date:       2020-03-31 21:56:26
Message-ID: 2418581.1585691786 () warthog ! procyon ! org ! uk
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Lennart Poettering <mzxreary@0pointer.de> wrote:

> - We also have code that needs to check if /dev/ is plain tmpfs or
>   devtmpfs. We cannot use statfs for that, since in both cases
>   TMPFS_MAGIC is reported, hence we currently parse
>   /proc/self/mountinfo for that to find the fstype string there, which
>   is different for both cases.

btw, fsinfo(FSINFO_ATTR_IDS) gets you the name of the filesystem type in
addition to the magic number.

David

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