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Re: [Bug-tar] Skipped files with --listed-incremental after rename

From: Joerg Schilling
Subject: Re: [Bug-tar] Skipped files with --listed-incremental after rename
Date: Tue, 14 Oct 2003 16:42:53 +0200 (CEST)

>From address@hidden  Tue Oct 14 00:31:58 2003

>>From address@hidden  Tue Oct 14 00:16:08 2003

>>Joerg Schilling <address@hidden> writes:

>>> If a filesystem does not update st_ctime, then you cannot do simple meta 
>>> data
>>> based incremental backups.

>>I tend to agree: it would have to get more complicated.  I don't see
>>any easy way out.

>Well, it is possible with my my planned extensions for star, but it would be
>more expensive to implement. In fact, the main target for these planned star
>extensions is to have a complete rename/delete database at the beginning of
>a tar archive in order to give the same level of convenience as 
>ufsdump/ufsrestore. This is why I did plan an implementation for 
>SCHILY.dino/SCHILY.ddev not before 2004.


I just found that I did forget to remember that "struct dirent" contains d_ino.
This makes it relatively easy to add the SCHILY.dino tag to directories.
It may be that I inroduce this with the next release.....

When the SCHILY.dino tag is present, it is possible to detect renames where
st_ctime of the renamed file does not change.


 EMail:address@hidden (home) Jörg Schilling D-13353 Berlin
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