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Re: [Qemu-block] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support"
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-block] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support" |
Date: |
Mon, 7 Nov 2016 12:57:10 +0000 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Wed, Nov 02, 2016 at 06:55:36PM +0100, Max Reitz wrote:
> See patch 3 for the reason why we have actually never supported TFTP at
> all (except for very small files (i.e. below 256 kB or so)).
I agree with dropping TFTP from the curl block driver but for the
record:
TFTP is not good for large files anyway - performance is poor due to the
lock-step ACK protocol. It is used for <256 KB files to chainload
Network Boot Programs (PXE) so the small file scenario is actually
realistic for TFTP.
In that use case it doesn't really make sense to use a block device in
QEMU though. The guest would do the TFTP itself so I don't see a need
to offer the protocol in the curl block driver.
Stefan
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- Re: [Qemu-block] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", (continued)
- Re: [Qemu-block] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Jeff Cody, 2016/11/02
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Markus Armbruster, 2016/11/03
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Max Reitz, 2016/11/04
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Markus Armbruster, 2016/11/07
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Max Reitz, 2016/11/07
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Markus Armbruster, 2016/11/08
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Jeff Cody, 2016/11/09
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Max Reitz, 2016/11/11
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Jeff Cody, 2016/11/14
Re: [Qemu-block] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support", Kevin Wolf, 2016/11/03
Re: [Qemu-block] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support",
Stefan Hajnoczi <=