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Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw |
Date: |
Wed, 2 Feb 2011 07:57:30 +0000 |
On Tue, Feb 1, 2011 at 10:58 AM, <address@hidden> wrote:
> From: Jes Sorensen <address@hidden>
>
> Implement freeze/thaw support in the guest, allowing the host to
> request the guest freezes all it's file systems before a live snapshot
> is performed.
> - fsfreeze(): Walk the list of mounted local real file systems,
> and freeze them.
Does this add a requirement that guest agent code issues no disk I/O
in its main loop (e.g. logging)? Otherwise we might deadlock
ourselves waiting for I/O which is never issued.
Stefan
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, (continued)
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Stefan Hajnoczi, 2011/02/01
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Jes Sorensen, 2011/02/01
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Stefan Hajnoczi, 2011/02/01
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Jes Sorensen, 2011/02/01
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Stefan Hajnoczi, 2011/02/01
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Michael Roth, 2011/02/01
[Qemu-devel] Re: [PATCH 1/2] Add virtagent file system freeze/thaw, Adam Litke, 2011/02/01
[Qemu-devel] Re: [PATCH 1/2] Add virtagent file system freeze/thaw, Michael Roth, 2011/02/01
Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw,
Stefan Hajnoczi <=
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Jes Sorensen, 2011/02/02
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Michael Roth, 2011/02/03
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Stefan Hajnoczi, 2011/02/04
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Michael Roth, 2011/02/04
- Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Stefan Hajnoczi, 2011/02/04
Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Jes Sorensen, 2011/02/04
Re: [Qemu-devel] [PATCH 1/2] Add virtagent file system freeze/thaw, Michael Roth, 2011/02/04
[Qemu-devel] [PATCH 2/2] Add monitor commands for fsfreeze support, Jes . Sorensen, 2011/02/01
Re: [Qemu-devel] [PATCH 0/2] virtagent - fsfreeze support, Vasiliy G Tolstov, 2011/02/01