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;