Re: [PATCH] fiemap support for ext3

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On Wed, Apr 23, 2008 at 08:58:03PM -0600, Andreas Dilger wrote:
> On Apr 23, 2008  15:39 -0400, Josef Bacik wrote:
> > Here is my reworked fiemap patch for ext3.  The generic fiemap handler
> > takes the get_block_t from the filesystem and does the fiemap that way,
> > so then adding ext2 support should be a snap, as well as any other fs
> > that wants to use this.
> 
> Ah, one other point is that this should also be used by ext4 to map inodes
> that are not in extents format, replacing the -EOPNOTSUPP return in that
> case.
>

Sounds good, but I'm wondering if we should add a flag to the FIEMAP stuff to
specify wether the inode you are mapping does truly have extents or if its just
more of a block map.  Do you think something like that would be usefull?  Thank
you,

Josef 
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