On Thu, Mar 02, 2006 at 09:53:06AM -0700, Ju, Seokmann wrote: > Hi, > > In the 'scsi_cmnd' structure, there are two entries holding address > information for data to be transferred. One is 'request_buffer' and the > other one is 'buffer'. > In case of 'use_sg' is non-zero, those entries indicates the address of > the scatter-gather table. > > Is there way to get virtual address (so that the data could be accessed > by the driver) of the actual data in the case of 'use_sg' is non-zero? For each sg list entry do something like: buffer = kmap_atomic(sg->page, KM_USER0) + sg->offset; <access buffer> kunmap_atomic(buffer - sg->offset, KM_USER0); - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
