On Wed, Jan 13, 2010 at 10:09:56PM +0800, Wu, Fengguang wrote: > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > > Now, rw_verify_area() checsk f_pos is negative or not. And if > negative, returns -EINVAL. > > But, some special files as /dev/(k)mem and /proc/<pid>/mem etc.. > has negative offsets. And we can't do any access via read/write > to the file(device). > > This patch introduce a flag S_VERYBIG and allow negative file > offsets. Ehh... FMODE_NEG_OFFSET in file->f_mode, perhaps? -- 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
