302 #define BUF_LOCKINIT(bp)						\  argument
303 	lockinit(&(bp)->b_lock, PRIBIO + 4, buf_wmesg, 0, LK_NEW)
308 #define	BUF_LOCK(bp, locktype, interlock)				\  argument
309 	_lockmgr_args_rw(&(bp)->b_lock, (locktype), (interlock),	\
316 #define	BUF_TIMELOCK(bp, locktype, interlock, wmesg, catch, timo)	\  argument
317 	_lockmgr_args_rw(&(bp)->b_lock, (locktype) | LK_TIMELOCK,	\
325 #define	BUF_UNLOCK(bp) do {						\  argument
326 	KASSERT(((bp)->b_flags & B_REMFREE) == 0,			\
327 	    ("BUF_UNLOCK %p while B_REMFREE is still set.", (bp)));	\
329 	BUF_UNLOCK_RAW((bp));						\
331 #define	BUF_UNLOCK_RAW(bp) do {						\  argument
332 	(void)_lockmgr_args(&(bp)->b_lock, LK_RELEASE, NULL,		\
340 #define	BUF_LOCKRECURSED(bp)						\  argument
341 	lockmgr_recursed(&(bp)->b_lock)
346 #define	BUF_ISLOCKED(bp)						\  argument
347 	lockstatus(&(bp)->b_lock)
351 #define BUF_LOCKFREE(bp) 						\  argument
352 	lockdestroy(&(bp)->b_lock)
357 #define BUF_LOCKPRINTINFO(bp) 						\  argument
358 	lockmgr_printinfo(&(bp)->b_lock)
364 #define	BUF_ASSERT_LOCKED(bp)						\  argument
365 	_lockmgr_assert(&(bp)->b_lock, KA_LOCKED, LOCK_FILE, LOCK_LINE)
366 #define	BUF_ASSERT_SLOCKED(bp)						\  argument
367 	_lockmgr_assert(&(bp)->b_lock, KA_SLOCKED, LOCK_FILE, LOCK_LINE)
368 #define	BUF_ASSERT_XLOCKED(bp)						\  argument
369 	_lockmgr_assert(&(bp)->b_lock, KA_XLOCKED, LOCK_FILE, LOCK_LINE)
370 #define	BUF_ASSERT_UNLOCKED(bp)						\  argument
371 	_lockmgr_assert(&(bp)->b_lock, KA_UNLOCKED, LOCK_FILE, LOCK_LINE)
373 #define	BUF_ASSERT_LOCKED(bp)  argument
374 #define	BUF_ASSERT_SLOCKED(bp)  argument
375 #define	BUF_ASSERT_XLOCKED(bp)  argument
376 #define	BUF_ASSERT_UNLOCKED(bp)  argument
386 #define	BUF_KERNPROC(bp)						\  argument
387 	_lockmgr_disown(&(bp)->b_lock, LOCK_FILE, LOCK_LINE)
412 bwrite(struct buf *bp)  in bwrite()  argument
415 	KASSERT(bp->b_bufobj != NULL, ("bwrite: no bufobj bp=%p", bp));  in bwrite()
416 	KASSERT(bp->b_bufobj->bo_ops != NULL, ("bwrite: no bo_ops bp=%p", bp));  in bwrite()
417 	KASSERT(bp->b_bufobj->bo_ops->bop_write != NULL,  in bwrite()
418 	    ("bwrite: no bop_write bp=%p", bp));  in bwrite()
419 	return (BO_WRITE(bp->b_bufobj, bp));  in bwrite()
423 bstrategy(struct buf *bp)  in bstrategy()  argument
426 	KASSERT(bp->b_bufobj != NULL, ("bstrategy: no bufobj bp=%p", bp));  in bstrategy()
427 	KASSERT(bp->b_bufobj->bo_ops != NULL,  in bstrategy()
428 	    ("bstrategy: no bo_ops bp=%p", bp));  in bstrategy()
429 	KASSERT(bp->b_bufobj->bo_ops->bop_strategy != NULL,  in bstrategy()
430 	    ("bstrategy: no bop_strategy bp=%p", bp));  in bstrategy()
431 	BO_STRATEGY(bp->b_bufobj, bp);  in bstrategy()
435 buf_start(struct buf *bp)  in buf_start()  argument
437 	KASSERT((bp->b_flags & B_IOSTARTED) == 0,  in buf_start()
438 	    ("recursed buf_start %p", bp));  in buf_start()
439 	bp->b_flags |= B_IOSTARTED;  in buf_start()
441 		(*bioops.io_start)(bp);  in buf_start()
445 buf_complete(struct buf *bp)  in buf_complete()  argument
447 	if ((bp->b_flags & B_IOSTARTED) != 0) {  in buf_complete()
448 		bp->b_flags &= ~B_IOSTARTED;  in buf_complete()
450 			(*bioops.io_complete)(bp);  in buf_complete()
455 buf_deallocate(struct buf *bp)  in buf_deallocate()  argument
458 		(*bioops.io_deallocate)(bp);  in buf_deallocate()
462 buf_countdeps(struct buf *bp, int i)  in buf_countdeps()  argument
465 		return ((*bioops.io_countdeps)(bp, i));  in buf_countdeps()
471 buf_track(struct buf *bp __unused, const char *location __unused)  in buf_track()
475 	bp->b_io_tracking[BUF_TRACKING_ENTRY(bp->b_io_tcnt++)] = location;  in buf_track()
477 	bp->b_io_tracking = location;  in buf_track()
486 #define	clrbuf(bp) {							\  argument
487 	bzero((bp)->b_data, (u_int)(bp)->b_bcount);			\
488 	(bp)->b_resid = 0;						\
518 buf_mapped(struct buf *bp)  in buf_mapped()  argument
521 	return (bp->b_data != unmapped_buf);  in buf_mapped()
529 void	bdata2bio(struct buf *bp, struct bio *bip);
555 void	vfs_busy_pages_acquire(struct buf *bp);
556 void	vfs_busy_pages_release(struct buf *bp);
577 void	vfs_bio_brelse(struct buf *bp, int ioflags);
578 void	vfs_bio_bzero_buf(struct buf *bp, int base, int size);
580 void	vfs_bio_set_flags(struct buf *bp, int ioflags);
588 void	pbgetbo(struct bufobj *bo, struct buf *bp);
592 int	allocbuf(struct buf *bp, int size);