From: Chris Mason <clm@fb.com>
To: Marc MERLIN <marc@merlins.org>, <linux-btrfs@vger.kernel.org>
Subject: Re: Using mount -o bind vs mount -o subvol=vol
Date: Mon, 5 May 2014 09:54:25 -0400 [thread overview]
Message-ID: <53679811.1020001@fb.com> (raw)
In-Reply-To: <20140504004732.GE9061@merlins.org>
On 05/03/2014 08:47 PM, Marc MERLIN wrote:
> Is there any functional difference between
>
> mount -o subvol=usr /dev/sda1 /usr
> and
> mount /dev/sda1 /mnt/btrfs_pool
> mount -o bind /mnt/btrfs_pool/usr /usr
The internal implementation of mount -o subvol is a bind mount. The
only real difference is having /mnt/btrfs_pool hanging around.
-chris
prev parent reply other threads:[~2014-05-05 13:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-04 0:47 Using mount -o bind vs mount -o subvol=vol Marc MERLIN
2014-05-04 7:07 ` Brendan Hide
2014-05-05 0:56 ` Marc MERLIN
2014-05-05 4:13 ` Brendan Hide
2014-05-05 4:36 ` Roman Mamedov
2014-05-05 6:55 ` Brendan Hide
2014-05-06 17:34 ` Duncan
2014-05-05 5:22 ` Marc MERLIN
2014-05-05 2:12 ` Duncan
2014-05-07 10:55 ` Marc MERLIN
2014-05-07 12:31 ` Duncan
2014-05-05 13:54 ` Chris Mason [this message]
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