From: Fam Zheng <famz@redhat.com>
To: Max Reitz <mreitz@redhat.com>
Cc: qemu-devel@nongnu.org, "Daniel P. Berrange" <berrange@redhat.com>,
Kevin Wolf <kwolf@redhat.com>,
qemu-block@nongnu.org, rjones@redhat.com
Subject: Re: [Qemu-devel] [PATCH 04/14] qemu-img: Set "share-rw" flag in read-only commands
Date: Thu, 8 Dec 2016 15:19:18 +0800 [thread overview]
Message-ID: <20161208071918.GB2045@lemon> (raw)
In-Reply-To: <ee094d41-0493-0b78-f5b9-448a65f68cf5@redhat.com>
On Fri, 12/02 01:52, Max Reitz wrote:
> > diff --git a/qemu-img.c b/qemu-img.c
> > index afcd51f..b2f4077 100644
> > --- a/qemu-img.c
> > +++ b/qemu-img.c
> > @@ -679,6 +679,10 @@ static int img_check(int argc, char **argv)
> > break;
> > }
> > }
> > +
> > + if (!(flags & BDRV_O_RDWR)) {
> > + flags |= BDRV_O_SHARE_RW;
> > + }
>
> If you want to keep this for img_check() (and I'm not going to stop you
> if you do), I think it would be better to put this right in front of
> img_open() to make it really clear that both are not set at the same
> time (without having to look into bdrv_parse_cache_mode()).
Sounds good, will move it.
Fam
next prev parent reply other threads:[~2016-12-08 7:19 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-31 15:38 [Qemu-devel] [PATCH 00/14] block: Image locking series Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 01/14] osdep: Add qemu_lock_fd and qemu_unlock_fd Fam Zheng
2016-12-02 0:30 ` Max Reitz
2016-12-08 6:53 ` Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 02/14] block: Define BDRV_O_SHARE_RW Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 03/14] qemu-io: Set "share-rw" flag together with read-only Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 04/14] qemu-img: Set "share-rw" flag in read-only commands Fam Zheng
2016-12-02 0:52 ` Max Reitz
2016-12-08 7:19 ` Fam Zheng [this message]
2016-10-31 15:38 ` [Qemu-devel] [PATCH 05/14] block: Set "share-rw" flag in drive-backup when sync=none Fam Zheng
2016-12-02 1:01 ` Max Reitz
2016-10-31 15:38 ` [Qemu-devel] [PATCH 06/14] block: Set "share-rw" flag for incoming migration Fam Zheng
2016-12-02 1:22 ` Max Reitz
2016-10-31 15:38 ` [Qemu-devel] [PATCH 07/14] iotests: 055: Don't attach the drive to vm for drive-backup Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 08/14] iotests: 030: Read-only open image for getting map Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 09/14] iotests: 087: Don't attch test image twice Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 10/14] iotests: 085: Avoid image locking conflict Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 11/14] iotests: 091: Quit QEMU before checking image Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 12/14] tests: Use null-co:// instead of /dev/null as the dummy image Fam Zheng
2016-10-31 15:38 ` [Qemu-devel] [PATCH 13/14] raw-posix: Implement image locking Fam Zheng
2016-10-31 22:01 ` Eric Blake
2016-10-31 22:39 ` Richard W.M. Jones
2016-11-01 2:06 ` Fam Zheng
2016-12-02 2:58 ` Max Reitz
2017-01-18 10:48 ` Fam Zheng
2017-01-18 13:02 ` Max Reitz
2017-01-18 13:19 ` Fam Zheng
2016-12-02 16:13 ` Max Reitz
2016-10-31 15:38 ` [Qemu-devel] [PATCH 14/14] tests: Add test-image-lock Fam Zheng
2016-12-02 16:30 ` Max Reitz
2016-12-09 7:39 ` Fam Zheng
2016-12-02 3:10 ` [Qemu-devel] [PATCH 00/14] block: Image locking series Max Reitz
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