On Tue, May 01, 2007 at 12:01:42AM -0600, Andreas Dilger wrote:
> Except one other issue with online shrinking is that we need to move
> inodes on occasion and this poses a bunch of other problems over just
> remapping the data blocks.
Well, I did say "necessary", and not "sufficient". But yes, moving
inodes, especially if the inode is currently open gets interesting. I
don't think there are that many user space applications that would
notice or care if the st_ino of an open file changed out from under
them, but there are obviously userspace applications, such as tar,
that would most definitely care.
- Ted
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