From: Stanislav Brabec <sbrabec@suse.cz>
To: Karel Zak <kzak@redhat.com>
Cc: util-linux@vger.kernel.org
Subject: Re: [PATCH] libmount: run btrfs subvol checks for "auto" fs type
Date: Mon, 1 Feb 2016 16:20:30 +0100 [thread overview]
Message-ID: <56AF77BE.5030601@suse.cz> (raw)
In-Reply-To: <20160201111815.wilhso7klaiy6cio@ws.net.home>
Karel Zak wrote:
> It's safe, but "mount -a" is going to call the btrfs ioctl or each
> "auto" fstab entry :-)
>
I am aware of it. Guessing what is more effective: search for all
candidates in mountinfo and checking whether it is btrfs, or blindly
issuing ioctl() that will:
- quickly fail with EINVAL for non-btrfs
- wil be needed for btrfs anyway
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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next prev parent reply other threads:[~2016-02-01 15:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 20:59 [PATCH] libmount: run btrfs subvol checks for "auto" fs type Stanislav Brabec
2016-02-01 11:18 ` Karel Zak
2016-02-01 15:20 ` Stanislav Brabec [this message]
2016-02-02 10:00 ` Karel Zak
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