[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Xen-devel] [RFC PATCH] Data integrity extension support for xen-block
> * A filesystem in Guest that is integrity-aware can prepare I/Os with
> metadata attached.
> * Filesystems in Guest are capable of transferring metadata from user space.
> Those metadata get lost if we don't pass them through in blkfront.
>
> You may have a look at:
> [1] http://lwn.net/Articles/280023/
> [2] https://www.kernel.org/doc/Documentation/block/data-integrity.txt
And Google for SCSI DIF/DIX which can give you some ideas. There is also
this slide-deck: https://oss.oracle.com/~mkp/docs/ols2008-slides.pdf
Also note that some devices (like NVMe) also implement some of this:
http://www.flashmemorysummit.com/English/Collaterals/Proceedings/2014/20140804_Seminar_F_Busch.pdf
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel
|
