On Thu, May 5, 2016 at 5:54 PM, Steve French <smfrench@xxxxxxxxx> wrote: > On Wed, May 4, 2016 at 8:46 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: >> On Friday 29 April 2016 13:57:36 David Howells wrote: >>> struct statx *buffer); >>> >>> This is an enhanced file stat function that provides a number of useful >>> features, in summary: >>> >>> (1) More information: creation time, data version number, inode >>> generation >>> number and flags. A subset of these is available through a number of >>> filesystems (such as CIFS, NFS, AFS, Ext4 and BTRFS). >>> >> >> I have a question about birthtime/creationtime: As we are gaining a way >> to read this, should we also provide a way to update it using a new >> variant >> of the utimensat syscall in order to have 'cp -a' create an identical >> copy, >> or is the idea that this is defined as the time that is particular copy >> of the inode was created? >> >> I've discussed this with Deepa in the past, as she is driving the >> convertion of the inode timestamps to timespec64 now, and we will >> need a new version of utimensat for her work as well. I can see good >> reasons either way (allowing updates of btime or disallowing them). > It would help interop with Windows (and presumably Mac) if birth time can be updated -- Thanks, Steve -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
