From: Mikulas Patocka <mpatocka@xxxxxxxxxx> Date: Mon, 14 Jul 2008 08:16:13 -0400 (EDT) > As you mentioned ESP driver, it declares .sg_tablesize = SG_ALL, so > BIO_VMERGE_BOUNDARY has no effect on the operation of this driver. Any > other driver where BIO_VMERGE_BOUNDARY does matter? When BIO_VMERGE_BOUNDARY is turned on, requests that would not otherwise fit into the device's limits, can. It's the only way to know ahead of time that the IOMMU is going to merge things for us. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
