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Re: [Qemu-block] [Qemu-devel] [PATCH v5 13/14] nbd: Implement NBD_CMD_WR
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH v5 13/14] nbd: Implement NBD_CMD_WRITE_ZEROES on server |
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Date: |
Thu, 18 Aug 2016 15:52:42 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
On 18/08/2016 15:50, Vladimir Sementsov-Ogievskiy wrote:
>
> from nbd proto.md:
>
> "Finally, it SHOULD return |EPERM| if it receives a write or trim
> request on a read-only export."
>
> And EROFS is not mentioned in proto.md
>
> (however the same bug is in NBD_CMD_WRITE case.)
system_errno_to_nbd_errno takes care of fixing up the return value.
Paolo