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Add `skew' parameter to extent_alloc_subregion(), and rename this function 

to extent_alloc_subregion1(). Provide compatibility macros.
This commit is contained in:
pk 1998-09-10 20:43:14 +00:00
parent d1e0ee615b
commit 9ba1c28908
1 changed files with 14 additions and 5 deletions
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19
sys/sys/extent.h
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@ -1,4 +1,4 @@
/* $NetBSD: extent.h,v 1.8 1998/06/06 02:25:46 thorpej Exp $ */
/* $NetBSD: extent.h,v 1.9 1998/09/10 20:43:14 pk Exp $ */
/*-
* Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
@ -105,16 +105,25 @@ struct extent_fixed {
struct extent *extent_create __P((const char *, u_long, u_long, int,
caddr_t, size_t, int));
void extent_destroy __P((struct extent *));
int extent_alloc_subregion __P((struct extent *, u_long, u_long,
u_long, u_long, u_long, int, u_long *));
int extent_alloc_subregion1 __P((struct extent *, u_long, u_long,
u_long, u_long, u_long, u_long, int, u_long *));
int extent_alloc_region __P((struct extent *, u_long, u_long, int));
int extent_free __P((struct extent *, u_long, u_long, int));
void extent_print __P((struct extent *));
/* Simple case of extent_alloc_subregion() */
#define extent_alloc(_ex, _size, _alignment, _boundary, _flags, _result) \
extent_alloc_subregion((_ex), (_ex)->ex_start, (_ex)->ex_end, \
(_size), (_alignment), (_boundary), (_flags), (_result))
extent_alloc_subregion1((_ex), (_ex)->ex_start, (_ex)->ex_end, \
(_size), (_alignment), 0, (_boundary), (_flags), (_result))
#define extent_alloc1(_ex, _size, _alignment, _skew, _boundary, \
_flags, _result) \
extent_alloc_subregion1((_ex), (_ex)->ex_start, (_ex)->ex_end, \
(_size), (_alignment), (_skew), (_boundary), (_flags), (_result))
/* Compat version of extent_alloc_subregion() */
#define extent_alloc_subregion(_ex, _start, _end, _size, _alignment, \
_boundary, _flags, _result) \
extent_alloc_subregion1((_ex), (_start), (_end), \
(_size), (_alignment), 0, (_boundary), (_flags), (_result))
#endif /* _KERNEL || _EXTENT_TESTING */
#endif /* ! _SYS_EXTENT_H_ */