Re: Missing JBD2_FEATURE_INCOMPAT_64BIT in ext4

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On Sun, 2007-04-15 at 10:16 -0600, Andreas Dilger wrote:
> Just a quick note before I forget.  I thought there was a call in ext4
> to set JBD2_FEATURE_INCOMPAT_64BIT at mount time if the filesystem has
> more than 2^32 blocks?

Question about the online resize case. If the fs is increased to more
than 2^32 blocks, we should set this JBD2_FEATURE_INCOMPAT_64BIT in the
journal. What about existing transactions that still stores 32 bit block
numbers?  I guess the journal need to commit them all so that revoke
will not get confused about the bits for block numbers later.  After
that done then JBD2 can set this feature safely.


> Cheers, Andreas
> --
> Andreas Dilger
> Principal Software Engineer
> Cluster File Systems, Inc.
> 
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