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Re: [Qemu-devel] [PULL for-2.4 3/7] block/nfs: add support for setting d
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PULL for-2.4 3/7] block/nfs: add support for setting debug level |
Date: |
Tue, 7 Jul 2015 15:45:57 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 07.07.2015 um 15:41 hat Peter Lieven geschrieben:
> Am 07.07.2015 um 15:24 schrieb Stefan Hajnoczi:
> >On Tue, Jul 7, 2015 at 1:08 PM, Stefan Hajnoczi <address@hidden> wrote:
> >>From: Peter Lieven <address@hidden>
> >>
> >>upcoming libnfs versions will support logging debug messages. Add
> >>support for it in qemu through a per-drive option.
> >>
> >>Examples:
> >> qemu -drive if=virtio,file=nfs://...,file.debug=2
> >> qemu-img create -o debug=2 nfs://... 10G
> >>
> >>Signed-off-by: Peter Lieven <address@hidden>
> >>Reviewed-by: Fam Zheng <address@hidden>
> >>Message-id: address@hidden
> >>Signed-off-by: Stefan Hajnoczi <address@hidden>
> >>---
> >> block/nfs.c | 28 ++++++++++++++++++++++++----
> >> qapi/block-core.json | 20 ++++++++++++++++----
> >> 2 files changed, 40 insertions(+), 8 deletions(-)
> >Kevin has pointed out at the QAPI portion of this patch isn't ready
> >for prime time yet, so I will revert the patch and resend the pull
> >request.
>
> Yes please, I was not aware that adding the QAPI part
> has such an impact. I would appreciate if someone who has
> more experience with the QAPI stuff would look at this and
> make a proposal how to handle the NFS (and also the iSCSI)
> case. I'm happy to look at the implementation then.
We should definitely come to a conclusion on this for 2.5. The same
problem doesn't only apply for NFS, but for all network protocols, and
this is one of the major reasons why blockdev-add isn't ready yet.
We'll need Eric for this discussion, though, and he'll only return from
vacation next Monday.
Kevin
Re: [Qemu-devel] [PULL for-2.4 3/7] block/nfs: add support for setting debug level, Eric Blake, 2015/07/21
[Qemu-devel] [PULL for-2.4 4/7] block: Initialize local_err in bdrv_append_temp_snapshot, Stefan Hajnoczi, 2015/07/07
[Qemu-devel] [PULL for-2.4 5/7] block: Use bdrv_drain to replace uncessary bdrv_drain_all, Stefan Hajnoczi, 2015/07/07
[Qemu-devel] [PULL for-2.4 6/7] block/raw-posix: Don't think /dev/fd/<NN> is a floppy drive., Stefan Hajnoczi, 2015/07/07
[Qemu-devel] [PULL for-2.4 7/7] blockjob: add block_job_release function, Stefan Hajnoczi, 2015/07/07