Re: [rfc][patch 3/4] fs: new truncate sequence

[Christoph Hellwig]

On Tue, Jul 07, 2009 at 05:02:57PM +0200, Nick Piggin wrote:
> That's kind of why I liked it in inode_setattr better.
> 
> But if the filesystem defines its own ->setattr, then it could simply
> not define a ->setsize and do the right thing in setattr. So this
> calling convention seems not too bad.

Or the filesystem could just call into it's own setattr method
internally.  For that we'd switch back to passing the iattr to
->setsize.  For a filesystem that doesn't do anything special for
ATTR_SIZE ->setsize could point to the same function as ->setattr.

For filesystem where's it's really different they could be separate or
share helpers.

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