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

Al Viro
2022-11-25T03:35:28Z

On Tue, Nov 22, 2022 at 03:51:31AM +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.

#include <linux/wait.h>

struct file;
struct fasync_struct;