Re: [Nbd] [PATCH 1/3] nbd: support FLUSH requests
- To: Paolo Bonzini <pbonzini@...696...>
- Cc: nbd-general@...72..., Andrew Morton <akpm@...133...>, Paul Clements <Paul.Clements@...124...>, linux-kernel@...25...
- Subject: Re: [Nbd] [PATCH 1/3] nbd: support FLUSH requests
- From: Alex Bligh <alex@...872...>
- Date: Wed, 13 Feb 2013 17:35:56 +0000
- Message-id: <4CB78CEB-E66C-4C88-BF0D-26EECE13CAC6@...872...>
- In-reply-to: <511BB902.3080302@...696...>
- References: <1360685171-3792-1-git-send-email-pbonzini@...696...> <1360685171-3792-2-git-send-email-pbonzini@...696...> <115932E2-48BE-406E-9E75-61D12EB5937A@...872...> <511A8491.5030407@...696...> <20130212133207.ef6b24f5.akpm@...133...> <FF1216D8-C4B3-405E-A4F6-82196A796A94@...872...> <511B8E65.5020507@...696...> <3EDEF735-9A67-439E-BA65-089C6AAFD1BF@...872...> <511BB902.3080302@...696...>
On 13 Feb 2013, at 16:02, Paolo Bonzini wrote:
> If you do not have REQ_FUA, as is the case with this patch, the block
> layer converts it to a REQ_FLUSH *after* the write.
OK. Well +/- it converting an fdatasync() into a full fsync(), that
should be be ok.
--
Alex Bligh
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