On Tuesday 22 April 2014 18:37:11 Ley Foon Tan wrote: > Hi Arnd and Peter Anvin, > > Other than 64-bit time_t, clock_t and suseconds_t, can you confirm > that we don't need to have 64 bit off_t? See detail in link below. > I can submit the patches for 64-bit time changes > (include/asm-generic/posix_types.h and other archs) if everyone is > agreed on this. Yes. > Excerpt from https://lkml.org/lkml/2012/11/14/358 : > "Obviously, we want to use 64-bit off_t, but this is achieved already > through loff_t, which is used in all places in the asm-generic > ABI anyway (the syscalls using off_t are stripped out). I don't > think we want to have the other ones set to 64 bit on ARC or Meta, > although I'm not 100% sure about ino_t and nlink_t. " This is all still true. You should have no syscall using 'off_t', only loff_t. I still don't know whether we would want 32 or 64 bit ino_t and nlink_t for new architectures. It seems it would gain very little, but have a noticeable overhead. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
