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Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer al
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks |
Date: |
Thu, 27 Oct 2011 10:53:42 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110927 Thunderbird/7.0 |
Am 26.10.2011 21:51, schrieb Eric Sunshine:
> An entry in the VDI block map will hold an offset to the actual block if
> the block is allocated, or one of two specially-interpreted values if
> not allocated. Using VirtualBox terminology, value VDI_IMAGE_BLOCK_FREE
> (0xffffffff) represents a never-allocated block (semantically arbitrary
> content). VDI_IMAGE_BLOCK_ZERO (0xfffffffe) represents a "discarded"
> block (semantically zero-filled). block/vdi knows only about
> VDI_IMAGE_BLOCK_FREE. Teach it about VDI_IMAGE_BLOCK_ZERO.
>
> Signed-off-by: Eric Sunshine <address@hidden>
Thanks, applied to the block branch.
Kevin
- [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Eric Sunshine, 2011/10/26
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Stefan Weil, 2011/10/26
- Re: [Qemu-devel] [Qemu-trivial] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Stefan Hajnoczi, 2011/10/27
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks,
Kevin Wolf <=
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Stefan Weil, 2011/10/27
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Eric Sunshine, 2011/10/27
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Kevin Wolf, 2011/10/28
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Eric Sunshine, 2011/10/28
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Kevin Wolf, 2011/10/28
- Re: [Qemu-devel] [PATCH] Teach block/vdi about "discarded" (no longer allocated) blocks, Stefan Weil, 2011/10/28