Re: scsi_cmnd data_buffer checksum

[Martin K. Petersen]

>>>>> "Anil" == Anil kumar <anils_r@xxxxxxxxx> writes:

Anil> cmd-> write_buf = (u8 *)(kmap_atomic(sg->page, KM_IRQ0) + sg->offset);
Anil> memcpy(cmd->local_write_buf, cmd->write_buf, cmd->scsibufflen(scsi_cmnd));

You need to walk the scatterlist.  You can't assume that the pages are
contiguous in memory.

But why are you doing this checksumming stuff manually when the existing
DIX/DIF code can do it for you?

-- 
Martin K. Petersen	Oracle Linux Engineering
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