|| ||Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b-AT-public.gmane.org> |
|| ||Volker.Lendecke-3ekOc4rQMZmzQB+pC5nmwQ-AT-public.gmane.org |
|| ||Re: [PATCH 02/18] xstat: Add a pair of system calls to make extended
file stats available [ver #6] |
|| ||Thu, 22 Jul 2010 08:14:42 -0700|
|| ||David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA-AT-public.gmane.org>,
Jan Engelhardt <jengelh-nopoi9nDyk+ELgA04lAiVw-AT-public.gmane.org>,
|| ||Article, Thread
On Thu, Jul 22, 2010 at 5:17 AM, Volker Lendecke
> On Thu, Jul 22, 2010 at 01:14:47PM +0100, David Howells wrote:
>> Jan Engelhardt <jengelh-nopoi9nDyk+ELgA04lAiVw@public.gmane.org> wrote:
>> > Linux already has a creation time field, it's called otime (there is no "b"
>> > in "creation"), and you will find scattered fragments of that all over the
>> > kernel (foremost, fs/jfs/, now btrfs, and I also notice sysvipc having
>> > something with that name).
>> It is? It's called crtime in Ext4. st_btime, however, would be compatible
>> with BSD's stat, and Samba would just use it by way of autoconf magic if it
> Samba has the following check:
> # recent FreeBSD, NetBSD have creation timestamps called birthtime:
> AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec])
> AC_CHECK_MEMBERS([struct stat.st_birthtime], AC_CHECK_MEMBERS([struct stat.st_birthtimensec]))
> and the supporting code around that. "birth" might also be
> where the "b" comes from :-)
Oh wow. And all of this just convinces me that we should _not_ do any
of this, since clearly it's all totally useless and people can't even
agree on a name.
Let's wait five years and see if there is actually any consensus on it
being needed and used at all, rather than rush into something just
because "we can".
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