Messages in this thread | | | Date | Wed, 30 Sep 2009 09:33:35 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH] ext4: Add a stub for mpage_da_data in the trace header |
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On Tue, Sep 29, 2009 at 02:40:07PM -0700, Josh Stone wrote: > The tracepoint ext4_da_write_pages has a struct mpage_da_data* > parameter, but that struct is only defined in fs/ext4/ext4.h. This > patch adds a forward declaration for that struct, so this tracepoint > header can still be used by tools like SystemTap.
That's not what the tracepoints are for anyway. No hacks for out of tree crap like this please - just use the trace buffer directly like ftrace and then you don't actually need any data types.
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