From: Al Viro <viro@ZenIV.linux.org.uk>
To: Dexuan Cui <decui@microsoft.com>
Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
'linux-ext4' <linux-ext4@vger.kernel.org>,
"stefanha@redhat.com" <stefanha@redhat.com>
Subject: Re: Can one file system be R/W mounted multiple times in Linux?
Date: Fri, 9 Jan 2015 03:51:23 +0000 [thread overview]
Message-ID: <20150109035123.GG22149@ZenIV.linux.org.uk> (raw)
In-Reply-To: <F792CF86EFE20D4AB8064279AFBA51C61EA72765@SIXPRD3002MB028.064d.mgd.msft.net>
On Fri, Jan 09, 2015 at 03:44:16AM +0000, Dexuan Cui wrote:
> The 'mount' utility allows me to mount 1 file systems multiple times at different
> mount points, like "mount /dev/sdb1 /a; mount /dev/sdb1 /b".
>
> I tried to write from /a and /b at the same time and it seems everything is OK
> and no data corruption happens.
> I tried only ext4 only.
>
> Can somebody please tell me if this usage is safe?
Yes.
next prev parent reply other threads:[~2015-01-09 3:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-09 3:44 Can one file system be R/W mounted multiple times in Linux? Dexuan Cui
2015-01-09 3:51 ` Al Viro [this message]
2015-01-09 4:58 ` Dexuan Cui
2015-01-09 6:04 ` Eric Sandeen
2015-01-09 6:48 ` Dexuan Cui
2015-01-09 13:25 ` Bob Peterson
2015-01-09 12:01 ` Stefan Hajnoczi
2015-01-09 14:55 ` Christoph Hellwig
2015-01-09 15:52 ` Lukáš Czerner
2015-01-09 19:31 ` Pranay Srivastava
2015-01-09 20:37 ` Al Viro
2015-01-10 3:52 ` Dexuan Cui
2015-01-12 13:00 ` Karel Zak
2015-01-12 14:20 ` Lukáš Czerner
2015-01-12 16:47 ` Karel Zak
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