From: Kevin Wolf <kwolf@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 5/8] scsi-disk: add scsi-block for device passthrough
Date: Fri, 28 Oct 2011 19:04:41 +0200 [thread overview]
Message-ID: <4EAAE0A9.2090209@redhat.com> (raw)
In-Reply-To: <1319540020-32484-6-git-send-email-pbonzini@redhat.com>
Am 25.10.2011 12:53, schrieb Paolo Bonzini:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/scsi-disk.c | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 118 insertions(+), 0 deletions(-)
This has lost its commit message since the last version. I'll pick it
from there:
scsi-block is a new device that supports device passthrough of Linux
block devices (i.e. /dev/sda, not /dev/sg0). It uses SG_IO for commands
other than I/O commands, and regular AIO read/writes for I/O commands.
Besides being simpler to configure (no mapping required to scsi-generic
device names), this removes the need for a large bounce buffer and,
in the future, will get scatter/gather support for free from scsi-disk.
Kevin
next prev parent reply other threads:[~2011-10-28 17:01 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-25 10:53 [Qemu-devel] [PATCH 0/5] My remaining block/SCSI patches for 1.0 Paolo Bonzini
2011-10-25 10:53 ` [Qemu-devel] [PATCH 1/8] scsi: do not call transfer_data after canceling a request Paolo Bonzini
2011-10-25 10:53 ` [Qemu-devel] [PATCH 2/8] scsi-disk: bump SCSIRequest reference count until aio completion runs Paolo Bonzini
2011-10-25 10:53 ` [Qemu-devel] [PATCH 3/8] scsi-generic: " Paolo Bonzini
2011-10-25 10:53 ` [Qemu-devel] [PATCH 4/8] scsi: push request restart to SCSIDevice Paolo Bonzini
2011-10-25 10:53 ` [Qemu-devel] [PATCH 5/8] scsi-disk: add scsi-block for device passthrough Paolo Bonzini
2011-10-28 17:04 ` Kevin Wolf [this message]
2011-10-25 10:53 ` [Qemu-devel] [PATCH 6/8] block: add eject request callback Paolo Bonzini
2011-10-28 17:21 ` Kevin Wolf
2011-10-29 7:46 ` Paolo Bonzini
2011-11-07 13:21 ` Markus Armbruster
2011-11-07 13:36 ` Paolo Bonzini
2011-11-07 13:49 ` Kevin Wolf
2011-11-07 13:56 ` Paolo Bonzini
2011-11-07 14:12 ` Kevin Wolf
2011-11-07 15:23 ` Markus Armbruster
2011-11-07 16:14 ` Paolo Bonzini
2011-11-07 16:50 ` [Qemu-devel] [PATCH 6/8 v2] " Paolo Bonzini
2011-11-08 13:18 ` Kevin Wolf
2011-10-25 10:53 ` [Qemu-devel] [PATCH 7/8] atapi: implement eject requests Paolo Bonzini
2011-10-25 10:53 ` [Qemu-devel] [PATCH 8/8] scsi-disk: " Paolo Bonzini
2011-10-27 11:45 ` [Qemu-devel] ping Re: [PATCH 0/5] My remaining block/SCSI patches for 1.0 Paolo Bonzini
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