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Re: gnulib support for st_birthtime (second revision of patch)
From: |
Bruno Haible |
Subject: |
Re: gnulib support for st_birthtime (second revision of patch) |
Date: |
Fri, 30 Mar 2007 00:15:17 +0200 |
User-agent: |
KMail/1.5.4 |
On AIX 5.1, with gnulib as of today (29 March) the test-stat-time test fails.
More precisely, on a 'jfs2' file system, the test fails in the third ASSERT
of test_mtime. I get these time stamps:
$ stat t-stt-stamp1
File: `t-stt-stamp1'
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: a0007h/655367d Inode: 218 Links: 1
Access: (0500/-r-x------) Uid: ( 299/ haible) Gid: ( 430/ user)
Access: 2007-03-29 16:55:21.1555657784 +0100
Modify: 2007-03-29 16:55:21.1555657784 +0100
Change: 2007-03-29 16:55:21.1555657784 +0100
$ stat t-stt-stamp2
File: `t-stt-stamp2'
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: a0007h/655367d Inode: 822 Links: 1
Access: (0500/-r-x------) Uid: ( 299/ haible) Gid: ( 430/ user)
Access: 2007-03-29 16:55:25.1186180304 +0100
Modify: 2007-03-29 16:55:25.1186180304 +0100
Change: 2007-03-29 16:55:25.1186180304 +0100
$ stat t-stt-stamp3
File: `t-stt-stamp3'
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: a0007h/655367d Inode: 886 Links: 1
Access: (0500/-r-x------) Uid: ( 299/ haible) Gid: ( 430/ user)
Access: 2007-03-29 16:55:29.-1317180880
Modify: 2007-03-29 16:55:29.-1317180880
Change: 2007-03-29 16:55:29.-1317180880
$ stat t-stt-renamed
File: `t-stt-renamed'
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: a0007h/655367d Inode: 219 Links: 1
Access: (0500/-r-x------) Uid: ( 299/ haible) Gid: ( 430/ user)
Access: 2007-03-29 16:55:23.-562647104
Modify: 2007-03-29 16:55:23.-562647104
Change: 2007-03-29 16:55:23.-562647104
As you can see, the ctime has not been modified by the "mv" command.
"Change" and "Modify" times appear to be always the same on this file system,
no matter what I do.
I can see two ways to fix the test:
- Turn this ASSERT into an 'if' that does appropriate action if not fulfilled.
- Immediately after renaming the file, write something into it, so that also
on this weird filesystem the ctime is bumped.
Bruno
- gnulib support for st_birthtime (second revision of patch), James Youngman, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), Bruno Haible, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), James Youngman, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), Bruno Haible, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), Eric Blake, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), Paul Eggert, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), Eric Blake, 2007/03/27
- Re: gnulib support for st_birthtime (second revision of patch), James Youngman, 2007/03/28
- Re: gnulib support for st_birthtime (second revision of patch), Paul Eggert, 2007/03/29
- Re: gnulib support for st_birthtime (second revision of patch),
Bruno Haible <=
- Re: gnulib support for st_birthtime (second revision of patch), James Youngman, 2007/03/29
- Re: gnulib support for st_birthtime (second revision of patch), Bruno Haible, 2007/03/31
- Re: gnulib support for st_birthtime (second revision of patch), Bruno Haible, 2007/03/29
Re: gnulib support for st_birthtime (second revision of patch), Jim Meyering, 2007/03/27