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Re: [Qemu-devel] scsi-generic and max request size
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] scsi-generic and max request size |
Date: |
Thu, 23 Dec 2010 10:44:17 +1100 |
On Thu, 2010-12-23 at 00:39 +0100, Alexander Graf wrote:
> This all belongs in the block layer. If you create a call back
> function or property in the block struct, windows can implement its
> own limits when someone sits down to implement SG_IO on Windows.
Right and we do have "generic" ways it seems to interrogate those
limits .. except they seem to be broken for "sg" :-)
Also I've spotted some oddities where the ioctl for the max request size
sometimes put_user as a int * and sometimes as a short * ... ooops...
Cheers,
Ben.
- Re: [Qemu-devel] scsi-generic and max request size, (continued)
- Re: [Qemu-devel] scsi-generic and max request size, Hannes Reinecke, 2010/12/21
- Re: [Qemu-devel] scsi-generic and max request size, Benjamin Herrenschmidt, 2010/12/21
- Re: [Qemu-devel] scsi-generic and max request size, Hannes Reinecke, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Christoph Hellwig, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Benjamin Herrenschmidt, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Alexander Graf, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Benjamin Herrenschmidt, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Alexander Graf, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Benjamin Herrenschmidt, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Alexander Graf, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] scsi-generic and max request size, Alexander Graf, 2010/12/22
- Re: [Qemu-devel] scsi-generic and max request size, Benjamin Herrenschmidt, 2010/12/22