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Re: [Qemu-block] [PATCH v3 01/15] block: Add "file" output parameter to
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-block] [PATCH v3 01/15] block: Add "file" output parameter to block status query functions |
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Date: |
Mon, 30 Nov 2015 16:38:48 +0800 |
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User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Thu, Nov 26, 2015 at 01:05:21PM +0800, Fam Zheng wrote:
> @@ -1535,13 +1541,14 @@ static int64_t coroutine_fn
> bdrv_co_get_block_status(BlockDriverState *bs,
> }
> }
>
> - if (bs->file &&
> + if (*file && *file != bs &&
> (ret & BDRV_BLOCK_DATA) && !(ret & BDRV_BLOCK_ZERO) &&
> (ret & BDRV_BLOCK_OFFSET_VALID)) {
What is the purpose of this change?
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- [Qemu-block] [PATCH v3 00/15] qemu-img map: Allow driver to return file of the allocated block, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 01/15] block: Add "file" output parameter to block status query functions, Fam Zheng, 2015/11/26
- Re: [Qemu-block] [PATCH v3 01/15] block: Add "file" output parameter to block status query functions,
Stefan Hajnoczi <=
- [Qemu-block] [PATCH v3 02/15] qcow: Assign bs->file->bs to file in qcow_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 03/15] qcow2: Assign bs->file->bs to file in qcow2_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 04/15] raw: Assign bs to file in raw_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 05/15] iscsi: Assign bs to file in iscsi_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 06/15] parallels: Assign bs->file->bs to file in parallels_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 07/15] qed: Assign bs->file->bs to file in bdrv_qed_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 08/15] sheepdog: Assign bs to file in sd_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 09/15] vdi: Assign bs->file->bs to file in vdi_co_get_block_status, Fam Zheng, 2015/11/26
- [Qemu-block] [PATCH v3 10/15] vpc: Assign bs->file->bs to file in vpc_co_get_block_status, Fam Zheng, 2015/11/26