Mailinglist Archive: opensuse (2459 mails)

[Anders Johansson <ajh@xxxxxxxxxx>]

On Tue, 2008-03-25 at 20:12 -0600, Boyd Lynn Gerber wrote:
> On Wed, 26 Mar 2008, Anders Johansson wrote:
> > On Tue, 2008-03-25 at 13:09 -0600, Boyd Lynn Gerber wrote:
> > > Both, but I am mainly using the xfs.  I have a lot of small files.  The
> > > files themselves keep their times, but the directories all change.
> >
> > ls -l shows you the mtime of a file or directory, i.e. the time it was
> > modified. Did something change inside the directory?
>
> No, nothing changed.  Here is what ls -l shows
>
> osr6:/home/zenez/etc # ls -l
> total 144
> -rw-r--r--   1 root root 32520 2007-11-03 12:03 SuSEfirewall2
> drwxr-xr-x 259 root root 16384 2008-03-23 09:47 etc
> drwxr-xr-x 153 root root 12288 2008-03-23 09:47 etc.ecom4
> drwxr-xr-x   4 root root    35 2008-03-23 09:47 etc.hold
> drwxr-xr-x   2 root root    75 2008-03-23 09:47 etc.sav
> drwxr-xr-x 225 root root 16384 2008-03-23 09:47 etc.start
> drwxr-xr-x 192 root root 16384 2008-03-23 09:47 etc.suse
>
> Notice only the directory timestamp has changed.  also note they all have
> the same time.  All the files within the directories have there orignal
> timestamps.  Only the directories have changed.

Ok, I can reproduce this on xfs, not on ext3, and I think I understand
why it is happening.

The directories *are* changing. Specifically, the .. dentry is changed
to point to the inode of the new parent directory. In your ls output I'm
willing to bet that you moved the directory to another partition, which
means your directory got a new inode number, which in turn means all ..
dentries in all subdirectories had to be updated

So to my mind it is correct that the mtime gets updated. I see it more
as a problem with ext that it doesn't get updated there

Anders

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