From: Stefan Hajnoczi <stefanha@gmail.com>
To: jun muzi <junmuzi@gmail.com>
Cc: lcapitulino@redhat.com, qemu-devel@nongnu.org,
Max Reitz <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] HMP: snapshot_blkdev can not consider //root/sn1 and /root/sn1 as the same file
Date: Mon, 9 Dec 2013 13:17:29 +0100 [thread overview]
Message-ID: <20131209121729.GA9611@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <CAB5ADv9h_9t6MwykG+nYx5hkLYJ1_+Vt5jtuBmc3vvneWTyAfg@mail.gmail.com>
On Mon, Dec 09, 2013 at 02:06:21PM +0800, jun muzi wrote:
> If mount a local file(disk) in two different dirctories, it is similar to the
> network storage. Detecting identical "files" is still a problem.
> Such as:
> dd if=/dev/zero of=aa bs=1M count=10
> mkfs.ext4 aa
> Then mount aa to two directories.
> mount aa /mnt/dir1
> mount aa /mnt/dir2
(Off-topic, but you should never mount a regular file system read/write
more than once at a time. This example is wrong, it can corrupt the
file system.)
My question was about the bug. What is the problem you are seeing and
how do you reproduce it (including the HMP commands)?
Stefan
next prev parent reply other threads:[~2013-12-09 12:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-15 16:31 [Qemu-devel] [PATCH] HMP: snapshot_blkdev can not consider //root/sn1 and /root/sn1 as the same file lijun
2013-11-15 16:42 ` Max Reitz
2013-11-15 17:21 ` Eric Blake
2013-11-18 13:31 ` Stefan Hajnoczi
2013-12-09 6:06 ` jun muzi
2013-12-09 12:17 ` Stefan Hajnoczi [this message]
2013-12-10 13:58 ` lijun
2014-01-02 8:55 ` Stefan Hajnoczi
2014-01-02 13:06 ` Eric Blake
-- strict thread matches above, loose matches on Subject: below --
2013-11-15 16:22 lijun
2013-11-15 16:55 ` Eric Blake
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