On Thu, 2007-05-17 at 09:40 +1000, David Chinner wrote:
> On Wed, May 16, 2007 at 07:21:16AM -0500, Dave Kleikamp wrote:
> > On Wed, 2007-05-16 at 13:16 +1000, David Chinner wrote:
> > > Please don't make this always happen. c/mtime updates should be dependent
> > > on the mode being used and whether there is visible change to the file. If no
> > > userspace visible changes to the file occurred, then timestamps should not
> > > be changed.
> >
> > i_blocks will be updated, so it seems reasonable to update ctime. mtime
> > shouldn't be changed, though, since the contents of the file will be
> > unchanged.
>
> That's assuming blocks were actually allocated - if the prealloc range already
> has underlying blocks there is no change and so we should not be changing
> mtime either. Only the filesystem will know if it has changed the file, so I
> think that timestamp updates need to be driven down to that level, not done
> blindy at the highest layer....
Yes, I agree.
Shaggy
--
David Kleikamp
IBM Linux Technology Center
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