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Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES
From: |
Alex Bligh |
Subject: |
Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command |
Date: |
Thu, 18 Feb 2016 08:09:48 +0000 |
On 17 Feb 2016, at 18:10, Denis V. Lunev <address@hidden> wrote:
> Currently available NBD_CMD_TRIM command can not be used as the
> specification explicitely says that "a client MUST NOT make any
> assumptions about the contents of the export affected by this
> [NBD_CMD_TRIM] command, until overwriting it again with `NBD_CMD_WRITE`"
Would a flag to NBD_CMD_TRIM that says "ensure the written
data is zeroed" not be an easier solution than adding another
very similar command?
Or (cough) changing the spec?
--
Alex Bligh
- Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, (continued)
- Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Denis V. Lunev, 2016/02/18
- Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Eric Blake, 2016/02/18
- [Qemu-devel] SUMMARY: Re: [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Denis V. Lunev, 2016/02/18
- Re: [Qemu-devel] SUMMARY: Re: [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Eric Blake, 2016/02/18
- Re: [Qemu-devel] [Nbd] SUMMARY: Re: [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Alex Bligh, 2016/02/18
- Re: [Qemu-devel] SUMMARY: Re: [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Denis V. Lunev, 2016/02/19
- Re: [Qemu-devel] SUMMARY: Re: [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Vladimir Sementsov-Ogievskiy, 2016/02/19
- Re: [Qemu-devel] SUMMARY: Re: [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Daniel P. Berrange, 2016/02/19
Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command, Daniel P. Berrange, 2016/02/18
Re: [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command,
Alex Bligh <=