From: Fam Zheng <famz@redhat.com>
To: Max Reitz <mreitz@redhat.com>
Cc: qemu-devel@nongnu.org, "Daniel P. Berrange" <berrange@redhat.com>,
qemu-block@nongnu.org, eblake@redhat.com,
Kevin Wolf <kwolf@redhat.com>,
rjones@redhat.com
Subject: Re: [Qemu-devel] [PATCH v12 03/16] qemu-io: Set "share-rw" flag together with read-only
Date: Mon, 6 Feb 2017 12:52:48 +0800 [thread overview]
Message-ID: <20170206045248.GA5377@lemon.lan> (raw)
In-Reply-To: <dba94e70-c4fd-4871-cdc1-0e0fc2d9522f@redhat.com>
On Sun, 02/05 22:52, Max Reitz wrote:
> On 23.01.2017 13:30, Fam Zheng wrote:
> > qemu-io is a low level tool to read or modify guest visible data, which
> > implies the user knows very well what is being done. Allowing reading
> > from a locked image is harmless in most cases, so do it.
> >
> > Signed-off-by: Fam Zheng <famz@redhat.com>
> > ---
> > qemu-io.c | 2 ++
> > 1 file changed, 2 insertions(+)
>
> What about open_f()?
Right, should do the same.
Fam
next prev parent reply other threads:[~2017-02-06 4:52 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 12:30 [Qemu-devel] [PATCH v12 00/16] block: Image locking series Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 01/16] osdep: Add qemu_lock_fd and qemu_unlock_fd Fam Zheng
2017-02-05 21:38 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 02/16] block: Define BDRV_O_SHARE_RW Fam Zheng
2017-02-05 21:51 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 03/16] qemu-io: Set "share-rw" flag together with read-only Fam Zheng
2017-02-05 21:52 ` Max Reitz
2017-02-06 4:52 ` Fam Zheng [this message]
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 04/16] qemu-img: Set "share-rw" flag in read-only commands Fam Zheng
2017-02-05 21:55 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 05/16] block: Set "share-rw" flag in drive-backup when sync=none Fam Zheng
2017-02-05 21:57 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 06/16] iotests: 055: Don't attach the drive to vm for drive-backup Fam Zheng
2017-02-08 0:06 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 07/16] iotests: 030: Read-only open image for getting map Fam Zheng
2017-02-08 0:11 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 08/16] iotests: 087: Don't attach test image twice Fam Zheng
2017-02-08 0:14 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 09/16] iotests: 085: Avoid image locking conflict Fam Zheng
2017-02-08 0:25 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 10/16] iotests: 091: Quit QEMU before checking image Fam Zheng
2017-02-08 0:32 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 11/16] iotests: 172: Use separate images for multiple devices Fam Zheng
2017-02-08 0:43 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 12/16] tests: Use null-co:// instead of /dev/null as the dummy image Fam Zheng
2017-02-08 0:45 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 13/16] tests: Disable image lock in test-replication Fam Zheng
2017-02-08 0:56 ` Max Reitz
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 14/16] file-posix: Implement image locking Fam Zheng
2017-02-08 3:05 ` Max Reitz
2017-02-08 6:00 ` Fam Zheng
2017-02-08 13:18 ` Max Reitz
2017-02-08 13:40 ` Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 15/16] qcow2: Force "no other writer" lock on bs->file Fam Zheng
2017-02-08 14:33 ` Max Reitz
2017-02-08 15:00 ` Fam Zheng
2017-01-23 12:30 ` [Qemu-devel] [PATCH v12 16/16] tests: Add test-image-lock Fam Zheng
2017-02-08 14:52 ` Max Reitz
2017-02-05 21:58 ` [Qemu-devel] [PATCH v12 00/16] block: Image locking series Max Reitz
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