hi Randy: > > Not sure that I understand your question, but I think that using > O_DIRECT in the open() call attempts to do what you are asking. > > Please read 'man open' and search for O_DIRECT. sorry for making you confused. I just want to know why O_DIRECT -- Regards, -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html