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Re: [Qemu-devel] [PATCH 06/12] nbd: support NBD_CMD_TRIM in the server
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From: |
Christoph Hellwig |
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Subject: |
Re: [Qemu-devel] [PATCH 06/12] nbd: support NBD_CMD_TRIM in the server |
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Date: |
Wed, 14 Sep 2011 17:44:22 +0200 |
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User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Thu, Sep 08, 2011 at 05:24:59PM +0200, Paolo Bonzini wrote:
> Map it to bdrv_discard. The server can now expose NBD_FLAG_SEND_TRIM.
Note that discard support without a way to communicate the alignment/size
requirements, and without the discard_zeroes_data flag is pretty much
useless. Can you work with the upstream developers to make sure it's
actually useful?
- [Qemu-devel] [PATCH 00/12] nbd improvements, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 01/12] nbd: support feature negotiation, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 02/12] nbd: sync API definitions with upstream, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 03/12] nbd: support NBD_SET_FLAGS ioctl, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 08/12] add socket_set_block, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 06/12] nbd: support NBD_CMD_TRIM in the server, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 11/12] nbd: switch to asynchronous operation, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 12/12] nbd: split requests, Paolo Bonzini, 2011/09/08
- [Qemu-devel] [PATCH 09/12] sheepdog: move coroutine send/recv function to generic code, Paolo Bonzini, 2011/09/08