>>>>> "Andreas" == Andreas Dilger <adilger@xxxxxxxxx> writes: Andreas> Is there a description of sys_dio() somewhere? This was the original draft: http://www.spinics.net/lists/linux-mm/msg14512.html Andreas> In particular, I'm interested to know whether it allows full Andreas> scatter-gather IO submission, unlike pwrite() which only allows Andreas> multiple input buffers, and not multiple file offsets. Each request descriptor contains buffer, target file, and offset. So it's a single entry per descriptor. But many descriptors can be submitted (and reaped) in a single syscall. So you don't have the single file offset limitation of pwritev(). -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
