Re: [PATCH] filelock: move file locking definitions to separate header file

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On Tue, 2022-11-22 at 03:51 +0000, Matthew Wilcox wrote:
> On Sun, Nov 20, 2022 at 03:59:57PM -0500, Jeff Layton wrote:
> > Move the file locking definitions to a new header file, and add the
> > appropriate #include directives to the source files that need them. By
> > doing this we trim down fs.h a bit and limit the amount of rebuilding
> > that has to be done when we make changes to the file locking APIs.
> 
> I'm in favour of this in general, but I think there's a few implicit
> includes.  Can you create a test.c that only #include
> <linnux/filelock.h> and see if there's anything missing?
> 
> > +	wait_queue_head_t fl_wait;
> > +	struct file *fl_file;
> 
> These two seem undefined at this point.
> 
> > +	struct fasync_struct *	fl_fasync; /* for lease break notifications */
> 
> Likewise.
> 

Yeah, there is quite a bit missing. I think I'll have to add this at the
head of filelock.h:

#include <linux/fs.h>

...as we need several definitions from fs.h for this header.
-- 
Jeff Layton <jlayton@xxxxxxxxxx>




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