2010/2/2 Catalin Marinas <catalin.marinas@xxxxxxx>: > In the iSCSI case, does the HCD driver write directly to a page cache > page? Or it just fills in network packets that are copied to page cache > pages by the iSCSI code (sorry, I'm not familiar with this part of the > kernel). If the latter, the cache flushing in the HCD driver would not > help and it needs to be done in the iSCSI code. So we should flush dcache page in the place where the user mapped page is copied to, instead of low level driver which does not do such thing always. -- Lei Ming -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
