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Re: [Qemu-devel] [PATCH for-2.7 v2 03/17] blockdev: Add and parse "lock-
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH for-2.7 v2 03/17] blockdev: Add and parse "lock-image" option for block devices |
Date: |
Tue, 19 Apr 2016 21:00:04 +0800 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Sat, 04/16 16:15, Denis V. Lunev wrote:
> On 04/15/2016 06:27 AM, Fam Zheng wrote:
> >Honor the locking switch specified in CLI or QMP, and set the open flags for
> >the image accordingly.
> >
> >Signed-off-by: Fam Zheng <address@hidden>
> >---
> > blockdev.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> >diff --git a/blockdev.c b/blockdev.c
> >index f1f520a..93bd43e 100644
> >--- a/blockdev.c
> >+++ b/blockdev.c
> >@@ -382,6 +382,10 @@ static void extract_common_blockdev_options(QemuOpts
> >*opts, int *bdrv_flags,
> > return;
> > }
> > }
> >+
> >+ if (!qemu_opt_get_bool(opts, "lock-image", false)) {
> >+ *bdrv_flags |= BDRV_O_NO_LOCK;
> >+ }
> > }
> > /* disk I/O throttling */
> >@@ -4249,6 +4253,10 @@ QemuOptsList qemu_common_drive_opts = {
> > .type = QEMU_OPT_BOOL,
> > .help = "whether to account for failed I/O operations "
> > "in the statistics",
> >+ },{
> >+ .name = "lock-image",
> >+ .type = QEMU_OPT_BOOL,
> >+ .help = "whether to lock the image (default: on)",
> > },
> > { /* end of list */ }
> > },
> should you add proper clause into qmp-commands.hx?
Yes, I'll update this patch.
- [Qemu-devel] [PATCH for-2.7 v2 00/17] block: Lock images when opening, Fam Zheng, 2016/04/14
- [Qemu-devel] [PATCH for-2.7 v2 01/17] block: Add BDRV_O_NO_LOCK, Fam Zheng, 2016/04/14
- [Qemu-devel] [PATCH for-2.7 v2 02/17] qapi: Add lock-image in blockdev-add options, Fam Zheng, 2016/04/14
- [Qemu-devel] [PATCH for-2.7 v2 03/17] blockdev: Add and parse "lock-image" option for block devices, Fam Zheng, 2016/04/14
- [Qemu-devel] [PATCH for-2.7 v2 04/17] block: Introduce image file locking, Fam Zheng, 2016/04/14
- Re: [Qemu-devel] [PATCH for-2.7 v2 04/17] block: Introduce image file locking, Max Reitz, 2016/04/19
Re: [Qemu-devel] [PATCH for-2.7 v2 04/17] block: Introduce image file locking, Laszlo Ersek, 2016/04/25