From: Stefan Hajnoczi <stefanha@redhat.com>
To: Fiona Ebner <f.ebner@proxmox.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org,
qemu-stable@nongnu.org, hreitz@redhat.com, kwolf@redhat.com,
fam@euphon.net, t.lamprecht@proxmox.com, w.bumiller@proxmox.com
Subject: Re: [PATCH v3 3/4] block-backend: fix edge case in bdrv_next_cleanup() where BDS associated to BB changes
Date: Mon, 25 Mar 2024 16:07:48 -0400 [thread overview]
Message-ID: <20240325200748.GC1944176@fedora> (raw)
In-Reply-To: <20240322095009.346989-4-f.ebner@proxmox.com>
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On Fri, Mar 22, 2024 at 10:50:08AM +0100, Fiona Ebner wrote:
> Same rationale as for commit "block-backend: fix edge case in
> bdrv_next() where BDS associated to BB changes". The block graph might
> change between the bdrv_next() call and the bdrv_next_cleanup() call,
> so it could be that the associated BDS is not the same that was
> referenced previously anymore. Instead, rely on bdrv_next() to set
> it->bs to the BDS it referenced and unreference that one in any case.
>
> Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
> ---
>
> New in v3.
>
> block/block-backend.c | 11 ++++-------
> 1 file changed, 4 insertions(+), 7 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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next prev parent reply other threads:[~2024-03-25 20:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-22 9:50 [PATCH v3 0/4] fix two edge cases related to stream block jobs Fiona Ebner
2024-03-22 9:50 ` [PATCH v3 1/4] block/io: accept NULL qiov in bdrv_pad_request Fiona Ebner
2024-03-25 19:56 ` Stefan Hajnoczi
2024-03-22 9:50 ` [PATCH v3 2/4] block-backend: fix edge case in bdrv_next() where BDS associated to BB changes Fiona Ebner
2024-03-25 20:06 ` Stefan Hajnoczi
2024-03-26 12:44 ` Kevin Wolf
2024-06-03 14:17 ` Fiona Ebner
2024-06-03 16:21 ` Kevin Wolf
2024-06-04 7:58 ` Fiona Ebner
2024-06-04 15:28 ` Kevin Wolf
2024-06-05 14:14 ` Fiona Ebner
2024-03-22 9:50 ` [PATCH v3 3/4] block-backend: fix edge case in bdrv_next_cleanup() " Fiona Ebner
2024-03-25 20:07 ` Stefan Hajnoczi [this message]
2024-03-22 9:50 ` [PATCH v3 4/4] iotests: add test for stream job with an unaligned prefetch read Fiona Ebner
2024-03-25 20:09 ` Stefan Hajnoczi
2024-03-25 20:11 ` [PATCH v3 0/4] fix two edge cases related to stream block jobs Stefan Hajnoczi
2024-03-26 12:53 ` Kevin Wolf
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