[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [RFC PATCH 18/18] nbd: Implement NBD_CMD_WRITE_ZEROES o

From: Alex Bligh
Subject: Re: [Qemu-devel] [RFC PATCH 18/18] nbd: Implement NBD_CMD_WRITE_ZEROES on client
Date: Sun, 10 Apr 2016 06:27:31 +0100

On 10 Apr 2016, at 00:17, Eric Blake <address@hidden> wrote:

> No, the code is correct.  In both functions, the logic is that if the
> lower-level knows that the server respects FUA, then it clears the flag
> before returning (flags is passed by reference, not value).  Then at
> this higher level, if FUA is still set, the server is too old, so we do
> a fallback flush to get the same semantics for the write in question,
> but at higher cost of a full flush.

OK, thanks.

Alex Bligh

Attachment: signature.asc
Description: Message signed with OpenPGP using GPGMail

reply via email to

[Prev in Thread] Current Thread [Next in Thread]