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Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard comman
From: |
Alex Bligh |
Subject: |
Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE |
Date: |
Wed, 11 May 2016 15:55:40 +0100 |
On 11 May 2016, at 15:08, Eric Blake <address@hidden> wrote:
> Then I think I will propose a doc patch to the extension-info branch
> that adds new INFO items for NBD_INFO_TRIM_SIZE and
> NBD_INFO_WRITE_ZERO_SIZE (if requested by client and replied by server,
> then this can be larger than the normal maximum size in
> NBD_INFO_BLOCK_SIZE; if either side doesn't request the info, then
> assume any maximum in NBD_INFO_BLOCK_SIZE applies, otherwise UINT32_MAX;
> and the two infos are separate items because NBD_FLAG_SEND_TRIM and
> NBD_FLAG_SEND_WRITE_ZEROES are orthogonally optional).
mmmm ...
at this rate you'd be better with a list of command / maximum size
tuples!
--
Alex Bligh
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- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, (continued)
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Eric Blake, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Quentin Casasnovas, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Quentin Casasnovas, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Quentin Casasnovas, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Paolo Bonzini, 2016/05/11
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Eric Blake, 2016/05/11
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE,
Alex Bligh <=
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Paolo Bonzini, 2016/05/11
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Paolo Bonzini, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Wouter Verhelst, 2016/05/11
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/12
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Eric Blake, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Alex Bligh, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Quentin Casasnovas, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Quentin Casasnovas, 2016/05/10
- Re: [Qemu-block] [Nbd] [Qemu-devel] [PATCH] nbd: fix trim/discard commands with a length bigger than NBD_MAX_BUFFER_SIZE, Eric Blake, 2016/05/10