Messages in this thread | | | Date | Wed, 29 Sep 2004 14:31:29 +0100 | From | Christoph Hellwig <> | Subject | Re: New DRM driver model - gets rid of DRM() macros! |
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On Wed, Sep 29, 2004 at 02:29:24PM +0100, Keith Whitwell wrote: > Christoph Hellwig wrote: > > > - drm_flush is a noop. a NULL ->flush does the same thing, just easier > > - dito or ->poll > > - dito for ->read > > Pretty sure you couldn't get away with null for these in 2.4, at least.
Umm, of course you could. There's only a hanfull instance defining a ->flush at all. Similarly all file_ops for regular files and many char devices don't have ->poll. no ->read is pretty rare but 2.4 chæcks it aswell.
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