Re: [PATCH 02/18] xstat: Add a pair of system calls to make extended file stats available [ver #6]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thursday 2010-07-22 17:47, Linus Torvalds wrote:
>On Thu, Jul 22, 2010 at 8:36 AM, Volker Lendecke
><Volker.Lendecke@xxxxxxxxx> wrote:
>>
>> The nice thing about this is also that if this is supposed
>> to be fully usable for Windows clients, the birthtime needs
>> to be changeable. That's what NTFS semantics gives you, thus
>> Windows clients tend to require it.
>
>Ok. So it's not really a creation date, exactly the same way ctime
>isn't at all a creation date. [...]
>Tell me why we shouldn't just do this right?

Nobody said the c in ctime stands for creation. It stands for
change (you probably knew that).

$ touch this
$ stat this
  File: `this'
  Size: 0               Blocks: 0          IO Block: 4096   regular empty file
Device: fh/15d  Inode: 106777647   Links: 1
Access: (0644/-rw-r--r--)  Uid: (25121/ jengelh)   Gid: (  100/   users)
Access: 2010-07-22 18:18:52.665480058 +0200
Modify: 2010-07-22 18:18:52.665480058 +0200
Change: 2010-07-22 18:18:52.665480058 +0200

# Only change inode, not content
$ chmod 600 this
$ stat this
  File: `this'
  Size: 0               Blocks: 0          IO Block: 4096   regular empty file
Device: fh/15d  Inode: 106777647   Links: 1
Access: (0600/-rw-------)  Uid: (25121/ jengelh)   Gid: (  100/   users)
Access: 2010-07-22 18:18:52.665480058 +0200
Modify: 2010-07-22 18:18:52.665480058 +0200
Change: 2010-07-22 18:18:58.533436339 +0200


(Solaris exhibits the very same kind of behavior.)
--
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


[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux