| Date | Wed, 15 Jan 2014 20:03:28 +0200 | From | sagi grimberg <> | Subject | Re: [PATCH 00/14] target: Initial support for DIF Type1+Type3 emulation |
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On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote: > From: Nicholas Bellinger <nab@linux-iscsi.org> > > Hi MKP & SCSI folks, > > This series contains initial support for target mode DIF Type1+Type3 > emulation within target core, RAMDISK_MCP device backend, and tcm_loop > fabric driver. > > DIF emulation is enabled via a new 'pi_prot_type' device attribute > within configfs, which is set after initial device configuration and > before target fabric LUN export occurs. > > The DIF read/write verify emulation has been made generic enough so > it can be used by other backend drivers (eg: FILEIO), as well as > DIF v2 in the near future. Also note that the majority of the logic > has been groked from existing scsi_debug.c code. > > The current plan is to enable basic support for emulated backends with > tcm_loop for v3.14 code, and then move onto IBLOCK backend support > (that requires BLOCK layer changes)
Hey Nic, Can you please elaborate on what BLOCK layer changes are required? I didn't spot any misses from Looking at Documentation/block/data-integrity.txt.
Am I missing something?
Sagi.
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