From: Christoph Hellwig <hch@lst.de>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] ]PATCH 0/7] add TRIM/UNMAP support, v3
Date: Mon, 13 Dec 2010 16:45:12 +0100 [thread overview]
Message-ID: <20101213154512.GB5730@lst.de> (raw)
In-Reply-To: <AANLkTikugwA7T-RbvKBec28O75Bun8kDxJydVDsGVHnr@mail.gmail.com>
On Sun, Dec 12, 2010 at 03:28:14PM +0000, Stefan Hajnoczi wrote:
> Do you have qemu-io support for discard?
Now that you wrote it we have the support :)
> Any hints on testing this? A recent guest kernel and ext -o discard
> might exercise the code but I haven't tried yet.
Anything that submits a discard in the guest is fine. The simples thing
to test are the various mkfs tools, as they do a whole device discard.
Also -o discard for various Linux filesystem works, Mark Lord's wiper.sh
script, or any Windows 7 installation.
next prev parent reply other threads:[~2010-12-13 15:45 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-10 15:00 [Qemu-devel] ]PATCH 0/7] add TRIM/UNMAP support, v3 Christoph Hellwig
2010-12-10 15:00 ` [Qemu-devel] [PATCH 1/7] block: add discard support Christoph Hellwig
2010-12-10 15:00 ` [Qemu-devel] [PATCH 2/7] scsi-disk: support WRITE SAME (16) with unmap bit Christoph Hellwig
2010-12-16 15:48 ` Kevin Wolf
2010-12-16 16:41 ` Christoph Hellwig
2010-12-10 15:01 ` [Qemu-devel] [PATCH 3/7] make dma_bdrv_io available to drivers Christoph Hellwig
2010-12-10 15:01 ` [Qemu-devel] [PATCH 4/7] ide: factor dma handling helpers Christoph Hellwig
2010-12-10 15:01 ` [Qemu-devel] [PATCH 5/7] ide: also reset io_buffer_index for writes Christoph Hellwig
2010-12-10 15:01 ` [Qemu-devel] [PATCH 6/7] ide: add TRIM support Christoph Hellwig
2010-12-10 15:01 ` [Qemu-devel] [PATCH 7/7] raw-posix: add discard support Christoph Hellwig
2010-12-12 15:28 ` [Qemu-devel] ]PATCH 0/7] add TRIM/UNMAP support, v3 Stefan Hajnoczi
2010-12-13 15:45 ` Christoph Hellwig [this message]
2010-12-16 15:43 ` Kevin Wolf
2010-12-16 16:42 ` Christoph Hellwig
2010-12-16 18:36 ` [Qemu-devel] Re: [PATCH 0/3] add TRIM/UNMAP support, v4 Christoph Hellwig
2010-12-16 18:36 ` [Qemu-devel] [PATCH 1/3] block: add discard support Christoph Hellwig
2010-12-16 18:36 ` [Qemu-devel] [PATCH 2/3] scsi-disk: support WRITE SAME (16) with unmap bit Christoph Hellwig
2010-12-16 18:36 ` [Qemu-devel] [PATCH 3/3] raw-posix: add discard support Christoph Hellwig
2010-12-17 10:32 ` Kevin Wolf
2010-12-17 10:41 ` [Qemu-devel] [PATCH v5] " Christoph Hellwig
2010-12-17 10:53 ` [Qemu-devel] " Kevin Wolf
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