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Message-ID: <4CC123E7.1000409@snapgear.com>
Date: Fri, 22 Oct 2010 15:40:55 +1000
From: Greg Ungerer <gerg@...pgear.com>
To: Akinobu Mita <akinobu.mita@...il.com>
CC: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
Arnd Bergmann <arnd@...db.de>,
Christoph Hellwig <hch@...radead.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Greg Ungerer <gerg@...inux.org>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Roman Zippel <zippel@...ux-m68k.org>,
Andreas Schwab <schwab@...ux-m68k.org>,
linux-m68k@...ts.linux-m68k.org,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
linux390@...ibm.com, linux-s390@...r.kernel.org,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Michal Simek <monstr@...str.eu>,
microblaze-uclinux@...e.uq.edu.au,
"David S. Miller" <davem@...emloft.net>,
sparclinux@...r.kernel.org,
Hirokazu Takata <takata@...ux-m32r.org>,
linux-m32r@...linux-m32r.org, Ralf Baechle <ralf@...ux-mips.org>,
linux-mips@...ux-mips.org, Paul Mundt <lethal@...ux-sh.org>,
linux-sh@...r.kernel.org, Chris Zankel <chris@...kel.net>
Subject: Re: [PATCH v2 22/22] bitops: remove minix bitops from asm/bitops.h
On 22/10/10 00:41, Akinobu Mita wrote:
> minix bit operations are only used by minix filesystem and useless
> by other modules. Because byte order of inode and block bitmaps is
> defferent on each architecture like below:
>
> m68k:
> big-endian 16bit indexed bitmaps
>
> h8300, microblaze, s390, sparc, m68knommu:
> big-endian 32 or 64bit indexed bitmaps
>
> m32r, mips, sh, xtensa:
> big-endian 32 or 64bit indexed bitmaps for big-endian mode
> little-endian bitmaps for little-endian mode
>
> Others:
> little-endian bitmaps
>
> In order to move minix bit operations from asm/bitops.h to
> architecture independent code in minix file system, this provides two
> config options.
>
> CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED is only selected by m68k.
> CONFIG_MINIX_FS_NATIVE_ENDIAN is selected by the architectures which
> use native byte order bitmaps (h8300, microblaze, s390, sparc,
> m68knommu, m32r, mips, sh, xtensa).
> The architectures which always use little-endian bitmaps do not select
> these options.
>
> Finally, we can remove minix bit operations from asm/bitops.h for
> all architectures.
>
> Signed-off-by: Akinobu Mita<akinobu.mita@...il.com>
> Cc: Greg Ungerer<gerg@...inux.org>
I have no problems with the m68k part.
Acked-by: Greg Ungerer <gerg@...inux.org>
> Cc: Geert Uytterhoeven<geert@...ux-m68k.org>
> Cc: Roman Zippel<zippel@...ux-m68k.org>
> Cc: Andreas Schwab<schwab@...ux-m68k.org>
> Cc: linux-m68k@...ts.linux-m68k.org
> Cc: Martin Schwidefsky<schwidefsky@...ibm.com>
> Cc: Heiko Carstens<heiko.carstens@...ibm.com>
> Cc: linux390@...ibm.com
> Cc: linux-s390@...r.kernel.org
> Cc: Yoshinori Sato<ysato@...rs.sourceforge.jp>
> Cc: Michal Simek<monstr@...str.eu>
> Cc: microblaze-uclinux@...e.uq.edu.au
> Cc: "David S. Miller"<davem@...emloft.net>
> Cc: sparclinux@...r.kernel.org
> Cc: Hirokazu Takata<takata@...ux-m32r.org>
> Cc: linux-m32r@...linux-m32r.org
> Cc: Ralf Baechle<ralf@...ux-mips.org>
> Cc: linux-mips@...ux-mips.org
> Cc: Paul Mundt<lethal@...ux-sh.org>
> Cc: linux-sh@...r.kernel.org
> Cc: Chris Zankel<chris@...kel.net>
> ---
> Mostly rewritten since previous submission
>
> arch/alpha/include/asm/bitops.h | 2 -
> arch/arm/include/asm/bitops.h | 14 ------
> arch/avr32/include/asm/bitops.h | 1 -
> arch/blackfin/include/asm/bitops.h | 1 -
> arch/cris/include/asm/bitops.h | 1 -
> arch/frv/include/asm/bitops.h | 2 -
> arch/h8300/include/asm/bitops.h | 1 -
> arch/ia64/include/asm/bitops.h | 1 -
> arch/m32r/include/asm/bitops.h | 1 -
> arch/m68k/include/asm/bitops_mm.h | 30 ------------
> arch/mips/include/asm/bitops.h | 1 -
> arch/mn10300/include/asm/bitops.h | 1 -
> arch/parisc/include/asm/bitops.h | 2 -
> arch/powerpc/include/asm/bitops.h | 14 ------
> arch/s390/include/asm/bitops.h | 1 -
> arch/sh/include/asm/bitops.h | 1 -
> arch/sparc/include/asm/bitops_32.h | 1 -
> arch/sparc/include/asm/bitops_64.h | 2 -
> arch/tile/include/asm/bitops.h | 1 -
> arch/x86/include/asm/bitops.h | 2 -
> arch/xtensa/include/asm/bitops.h | 1 -
> fs/minix/Kconfig | 8 +++
> fs/minix/minix.h | 79 +++++++++++++++++++++++++++++++++
> include/asm-generic/bitops.h | 1 -
> include/asm-generic/bitops/minix-le.h | 15 ------
> include/asm-generic/bitops/minix.h | 15 ------
> 26 files changed, 87 insertions(+), 112 deletions(-)
> delete mode 100644 include/asm-generic/bitops/minix-le.h
> delete mode 100644 include/asm-generic/bitops/minix.h
>
> diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
> index 822433a..85b8152 100644
> --- a/arch/alpha/include/asm/bitops.h
> +++ b/arch/alpha/include/asm/bitops.h
> @@ -459,8 +459,6 @@ sched_find_first_bit(const unsigned long b[2])
> #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a)
> #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a)
>
> -#include<asm-generic/bitops/minix.h>
> -
> #endif /* __KERNEL__ */
>
> #endif /* _ALPHA_BITOPS_H */
> diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
> index ac2edb4..59a2a2b 100644
> --- a/arch/arm/include/asm/bitops.h
> +++ b/arch/arm/include/asm/bitops.h
> @@ -332,20 +332,6 @@ static inline int fls(int x)
> #define ext2_clear_bit_atomic(lock,nr,p) \
> test_and_clear_le_bit(nr, (unsigned long *)(p))
>
> -/*
> - * Minix is defined to use little-endian byte ordering.
> - * These do not need to be atomic.
> - */
> -#define minix_set_bit(nr,p) \
> - __set_le_bit(nr, (unsigned long *)(p))
> -#define minix_test_bit(nr,p) \
> - test_le_bit(nr, (unsigned long *)(p))
> -#define minix_test_and_set_bit(nr,p) \
> - __test_and_set_le_bit(nr, (unsigned long *)(p))
> -#define minix_test_and_clear_bit(nr,p) \
> - __test_and_clear_le_bit(nr, (unsigned long *)(p))
> -#define minix_find_first_zero_bit(p,sz) \
> - find_first_zero_le_bit((unsigned long *)(p), sz)
>
> #endif /* __KERNEL__ */
>
> diff --git a/arch/avr32/include/asm/bitops.h b/arch/avr32/include/asm/bitops.h
> index 73a163a..72444d9 100644
> --- a/arch/avr32/include/asm/bitops.h
> +++ b/arch/avr32/include/asm/bitops.h
> @@ -301,6 +301,5 @@ static inline int ffs(unsigned long word)
>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix-le.h>
>
> #endif /* __ASM_AVR32_BITOPS_H */
> diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
> index 2c549f7..68843fa 100644
> --- a/arch/blackfin/include/asm/bitops.h
> +++ b/arch/blackfin/include/asm/bitops.h
> @@ -27,7 +27,6 @@
>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
>
> #ifndef CONFIG_SMP
> #include<linux/irqflags.h>
> diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h
> index 71bea40..310e0de 100644
> --- a/arch/cris/include/asm/bitops.h
> +++ b/arch/cris/include/asm/bitops.h
> @@ -159,7 +159,6 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
> #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a)
> #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a)
>
> -#include<asm-generic/bitops/minix.h>
> #include<asm-generic/bitops/sched.h>
>
> #endif /* __KERNEL__ */
> diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h
> index e3ea644..a1d00b0 100644
> --- a/arch/frv/include/asm/bitops.h
> +++ b/arch/frv/include/asm/bitops.h
> @@ -406,8 +406,6 @@ int __ilog2_u64(u64 n)
> #define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit ((nr) ^ 0x18, (addr))
> #define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr) ^ 0x18, (addr))
>
> -#include<asm-generic/bitops/minix-le.h>
> -
> #endif /* __KERNEL__ */
>
> #endif /* _ASM_BITOPS_H */
> diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h
> index 23cea66..e856c1b 100644
> --- a/arch/h8300/include/asm/bitops.h
> +++ b/arch/h8300/include/asm/bitops.h
> @@ -202,7 +202,6 @@ static __inline__ unsigned long __ffs(unsigned long word)
> #include<asm-generic/bitops/lock.h>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __KERNEL__ */
>
> diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h
> index 336984a..b76f7e0 100644
> --- a/arch/ia64/include/asm/bitops.h
> +++ b/arch/ia64/include/asm/bitops.h
> @@ -461,7 +461,6 @@ static __inline__ unsigned long __arch_hweight64(unsigned long x)
> #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a)
> #define ext2_clear_bit_atomic(l,n,a) test_and_clear_bit(n,a)
>
> -#include<asm-generic/bitops/minix.h>
> #include<asm-generic/bitops/sched.h>
>
> #endif /* __KERNEL__ */
> diff --git a/arch/m32r/include/asm/bitops.h b/arch/m32r/include/asm/bitops.h
> index cdfb4c8..6300f22 100644
> --- a/arch/m32r/include/asm/bitops.h
> +++ b/arch/m32r/include/asm/bitops.h
> @@ -268,7 +268,6 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr)
>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __KERNEL__ */
>
> diff --git a/arch/m68k/include/asm/bitops_mm.h b/arch/m68k/include/asm/bitops_mm.h
> index f31ed5a..5f06275 100644
> --- a/arch/m68k/include/asm/bitops_mm.h
> +++ b/arch/m68k/include/asm/bitops_mm.h
> @@ -325,36 +325,6 @@ static inline int __fls(int x)
> #include<asm-generic/bitops/hweight.h>
> #include<asm-generic/bitops/lock.h>
>
> -/* Bitmap functions for the minix filesystem */
> -
> -static inline int minix_find_first_zero_bit(const void *vaddr, unsigned size)
> -{
> - const unsigned short *p = vaddr, *addr = vaddr;
> - unsigned short num;
> -
> - if (!size)
> - return 0;
> -
> - size = (size>> 4) + ((size& 15)> 0);
> - while (*p++ == 0xffff) {
> - if (--size == 0)
> - return (p - addr)<< 4;
> - }
> -
> - num = *--p;
> - return ((p - addr)<< 4) + ffz(num);
> -}
> -
> -#define minix_test_and_set_bit(nr, addr) __test_and_set_bit((nr) ^ 16, (unsigned long *)(addr))
> -#define minix_set_bit(nr,addr) __set_bit((nr) ^ 16, (unsigned long *)(addr))
> -#define minix_test_and_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 16, (unsigned long *)(addr))
> -
> -static inline int minix_test_bit(int nr, const void *vaddr)
> -{
> - const unsigned short *p = vaddr;
> - return (p[nr>> 4]& (1U<< (nr& 15))) != 0;
> -}
> -
> /* Bitmap functions for little endian. */
>
> #define __set_le_bit(nr, addr) \
> diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
> index 07ce5aa..6a2202c 100644
> --- a/arch/mips/include/asm/bitops.h
> +++ b/arch/mips/include/asm/bitops.h
> @@ -706,7 +706,6 @@ static inline int ffs(int word)
>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __KERNEL__ */
>
> diff --git a/arch/mn10300/include/asm/bitops.h b/arch/mn10300/include/asm/bitops.h
> index e1a9768..94ee844 100644
> --- a/arch/mn10300/include/asm/bitops.h
> +++ b/arch/mn10300/include/asm/bitops.h
> @@ -234,7 +234,6 @@ int ffs(int x)
> test_and_clear_bit((nr), (addr))
>
> #include<asm-generic/bitops/le.h>
> -#include<asm-generic/bitops/minix-le.h>
>
> #endif /* __KERNEL__ */
> #endif /* __ASM_BITOPS_H */
> diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h
> index 919d7ed..43c516f 100644
> --- a/arch/parisc/include/asm/bitops.h
> +++ b/arch/parisc/include/asm/bitops.h
> @@ -234,6 +234,4 @@ static __inline__ int fls(int x)
>
> #endif /* __KERNEL__ */
>
> -#include<asm-generic/bitops/minix-le.h>
> -
> #endif /* _PARISC_BITOPS_H */
> diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
> index eb9ce7f..bf5ccfc 100644
> --- a/arch/powerpc/include/asm/bitops.h
> +++ b/arch/powerpc/include/asm/bitops.h
> @@ -308,20 +308,6 @@ unsigned long find_next_le_bit(const unsigned long *addr,
> #define ext2_clear_bit_atomic(lock, nr, addr) \
> test_and_clear_le_bit((nr), (unsigned long*)addr)
>
> -/* Bitmap functions for the minix filesystem. */
> -
> -#define minix_test_and_set_bit(nr,addr) \
> - __test_and_set_le_bit(nr, (unsigned long *)addr)
> -#define minix_set_bit(nr,addr) \
> - __set_le_bit(nr, (unsigned long *)addr)
> -#define minix_test_and_clear_bit(nr,addr) \
> - __test_and_clear_le_bit(nr, (unsigned long *)addr)
> -#define minix_test_bit(nr,addr) \
> - test_le_bit(nr, (unsigned long *)addr)
> -
> -#define minix_find_first_zero_bit(addr,size) \
> - find_first_zero_le_bit((unsigned long *)addr, size)
> -
> #include<asm-generic/bitops/sched.h>
>
> #endif /* __KERNEL__ */
> diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
> index 1bd1e11..e537613 100644
> --- a/arch/s390/include/asm/bitops.h
> +++ b/arch/s390/include/asm/bitops.h
> @@ -842,7 +842,6 @@ static inline int find_next_le_bit(void *vaddr, unsigned long size,
> #define ext2_clear_bit_atomic(lock, nr, addr) \
> test_and_clear_le_bit((nr), (unsigned long *)(addr))
>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __KERNEL__ */
>
> diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
> index fc5cd5b..90fa3e4 100644
> --- a/arch/sh/include/asm/bitops.h
> +++ b/arch/sh/include/asm/bitops.h
> @@ -96,7 +96,6 @@ static inline unsigned long ffz(unsigned long word)
> #include<asm-generic/bitops/sched.h>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
> #include<asm-generic/bitops/fls.h>
> #include<asm-generic/bitops/__fls.h>
> #include<asm-generic/bitops/fls64.h>
> diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h
> index 75da6f8..25a6766 100644
> --- a/arch/sparc/include/asm/bitops_32.h
> +++ b/arch/sparc/include/asm/bitops_32.h
> @@ -105,7 +105,6 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
> #include<asm-generic/bitops/find.h>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __KERNEL__ */
>
> diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h
> index 66db28e..38e9aa1 100644
> --- a/arch/sparc/include/asm/bitops_64.h
> +++ b/arch/sparc/include/asm/bitops_64.h
> @@ -96,8 +96,6 @@ static inline unsigned int __arch_hweight8(unsigned int w)
> #define ext2_clear_bit_atomic(lock,nr,addr) \
> test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr))
>
> -#include<asm-generic/bitops/minix.h>
> -
> #endif /* __KERNEL__ */
>
> #endif /* defined(_SPARC64_BITOPS_H) */
> diff --git a/arch/tile/include/asm/bitops.h b/arch/tile/include/asm/bitops.h
> index 5447add..132e6bb 100644
> --- a/arch/tile/include/asm/bitops.h
> +++ b/arch/tile/include/asm/bitops.h
> @@ -123,6 +123,5 @@ static inline unsigned long __arch_hweight64(__u64 w)
> #include<asm-generic/bitops/find.h>
> #include<asm-generic/bitops/sched.h>
> #include<asm-generic/bitops/le.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* _ASM_TILE_BITOPS_H */
> diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
> index 3c95e07..69d5813 100644
> --- a/arch/x86/include/asm/bitops.h
> +++ b/arch/x86/include/asm/bitops.h
> @@ -463,7 +463,5 @@ static inline int fls(int x)
> #define ext2_clear_bit_atomic(lock, nr, addr) \
> test_and_clear_bit((nr), (unsigned long *)(addr))
>
> -#include<asm-generic/bitops/minix.h>
> -
> #endif /* __KERNEL__ */
> #endif /* _ASM_X86_BITOPS_H */
> diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h
> index a56b7b5..c8fac8d 100644
> --- a/arch/xtensa/include/asm/bitops.h
> +++ b/arch/xtensa/include/asm/bitops.h
> @@ -125,7 +125,6 @@ static inline unsigned long __fls(unsigned long word)
> #include<asm-generic/bitops/hweight.h>
> #include<asm-generic/bitops/lock.h>
> #include<asm-generic/bitops/sched.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __KERNEL__ */
>
> diff --git a/fs/minix/Kconfig b/fs/minix/Kconfig
> index 0fd7ca9..6624684 100644
> --- a/fs/minix/Kconfig
> +++ b/fs/minix/Kconfig
> @@ -15,3 +15,11 @@ config MINIX_FS
> module will be called minix. Note that the file system of your root
> partition (the one containing the directory /) cannot be compiled as
> a module.
> +
> +config MINIX_FS_NATIVE_ENDIAN
> + def_bool MINIX_FS
> + depends on H8300 || M32R || MICROBLAZE || MIPS || S390 || SUPERH || SPARC || XTENSA || (M68K&& !MMU)
> +
> +config MINIX_FS_BIG_ENDIAN_16BIT_INDEXED
> + def_bool MINIX_FS
> + depends on M68K&& MMU
> diff --git a/fs/minix/minix.h b/fs/minix/minix.h
> index 407b1c8..9dfd62c 100644
> --- a/fs/minix/minix.h
> +++ b/fs/minix/minix.h
> @@ -88,4 +88,83 @@ static inline struct minix_inode_info *minix_i(struct inode *inode)
> return list_entry(inode, struct minix_inode_info, vfs_inode);
> }
>
> +#if defined(CONFIG_MINIX_FS_NATIVE_ENDIAN)&& \
> + defined(CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED)
> +
> +#error Minix file system byte order broken
> +
> +#elif defined(CONFIG_MINIX_FS_NATIVE_ENDIAN)
> +
> +/*
> + * big-endian 32 or 64 bit indexed bitmaps on big-endian system or
> + * little-endian bitmaps on little-endian system
> + */
> +
> +#define minix_test_and_set_bit(nr, addr) \
> + __test_and_set_bit((nr), (unsigned long *)(addr))
> +#define minix_set_bit(nr, addr) \
> + __set_bit((nr), (unsigned long *)(addr))
> +#define minix_test_and_clear_bit(nr, addr) \
> + __test_and_clear_bit((nr), (unsigned long *)(addr))
> +#define minix_test_bit(nr, addr) \
> + test_bit((nr), (unsigned long *)(addr))
> +#define minix_find_first_zero_bit(addr, size) \
> + find_first_zero_bit((unsigned long *)(addr), (size))
> +
> +#elif defined(CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED)
> +
> +/*
> + * big-endian 16bit indexed bitmaps
> + */
> +
> +static inline int minix_find_first_zero_bit(const void *vaddr, unsigned size)
> +{
> + const unsigned short *p = vaddr, *addr = vaddr;
> + unsigned short num;
> +
> + if (!size)
> + return 0;
> +
> + size = (size>> 4) + ((size& 15)> 0);
> + while (*p++ == 0xffff) {
> + if (--size == 0)
> + return (p - addr)<< 4;
> + }
> +
> + num = *--p;
> + return ((p - addr)<< 4) + ffz(num);
> +}
> +
> +#define minix_test_and_set_bit(nr, addr) \
> + __test_and_set_bit((nr) ^ 16, (unsigned long *)(addr))
> +#define minix_set_bit(nr, addr) \
> + __set_bit((nr) ^ 16, (unsigned long *)(addr))
> +#define minix_test_and_clear_bit(nr, addr) \
> + __test_and_clear_bit((nr) ^ 16, (unsigned long *)(addr))
> +
> +static inline int minix_test_bit(int nr, const void *vaddr)
> +{
> + const unsigned short *p = vaddr;
> + return (p[nr>> 4]& (1U<< (nr& 15))) != 0;
> +}
> +
> +#else
> +
> +/*
> + * little-endian bitmaps
> + */
> +
> +#define minix_test_and_set_bit(nr, addr) \
> + __test_and_set_le_bit((nr), (unsigned long *)(addr))
> +#define minix_set_bit(nr, addr) \
> + __set_le_bit((nr), (unsigned long *)(addr))
> +#define minix_test_and_clear_bit(nr, addr) \
> + __test_and_clear_le_bit((nr), (unsigned long *)(addr))
> +#define minix_test_bit(nr, addr) \
> + test_le_bit((nr), (unsigned long *)(addr))
> +#define minix_find_first_zero_bit(addr, size) \
> + find_first_zero_le_bit((unsigned long *)(addr), (size))
> +
> +#endif
> +
> #endif /* FS_MINIX_H */
> diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h
> index dd7c014..280ca7a 100644
> --- a/include/asm-generic/bitops.h
> +++ b/include/asm-generic/bitops.h
> @@ -40,6 +40,5 @@
> #include<asm-generic/bitops/non-atomic.h>
> #include<asm-generic/bitops/le.h>
> #include<asm-generic/bitops/ext2-atomic.h>
> -#include<asm-generic/bitops/minix.h>
>
> #endif /* __ASM_GENERIC_BITOPS_H */
> diff --git a/include/asm-generic/bitops/minix-le.h b/include/asm-generic/bitops/minix-le.h
> deleted file mode 100644
> index f366cfa..0000000
> --- a/include/asm-generic/bitops/minix-le.h
> +++ /dev/null
> @@ -1,15 +0,0 @@
> -#ifndef _ASM_GENERIC_BITOPS_MINIX_LE_H_
> -#define _ASM_GENERIC_BITOPS_MINIX_LE_H_
> -
> -#define minix_test_and_set_bit(nr,addr) \
> - __test_and_set_le_bit((nr), (unsigned long *)(addr))
> -#define minix_set_bit(nr,addr) \
> - __set_le_bit((nr), (unsigned long *)(addr))
> -#define minix_test_and_clear_bit(nr,addr) \
> - __test_and_clear_le_bit((nr), (unsigned long *)(addr))
> -#define minix_test_bit(nr,addr) \
> - test_le_bit((nr), (unsigned long *)(addr))
> -#define minix_find_first_zero_bit(addr,size) \
> - find_first_zero_le_bit((unsigned long *)(addr), (size))
> -
> -#endif /* _ASM_GENERIC_BITOPS_MINIX_LE_H_ */
> diff --git a/include/asm-generic/bitops/minix.h b/include/asm-generic/bitops/minix.h
> deleted file mode 100644
> index 91f42e8..0000000
> --- a/include/asm-generic/bitops/minix.h
> +++ /dev/null
> @@ -1,15 +0,0 @@
> -#ifndef _ASM_GENERIC_BITOPS_MINIX_H_
> -#define _ASM_GENERIC_BITOPS_MINIX_H_
> -
> -#define minix_test_and_set_bit(nr,addr) \
> - __test_and_set_bit((nr),(unsigned long *)(addr))
> -#define minix_set_bit(nr,addr) \
> - __set_bit((nr),(unsigned long *)(addr))
> -#define minix_test_and_clear_bit(nr,addr) \
> - __test_and_clear_bit((nr),(unsigned long *)(addr))
> -#define minix_test_bit(nr,addr) \
> - test_bit((nr),(unsigned long *)(addr))
> -#define minix_find_first_zero_bit(addr,size) \
> - find_first_zero_bit((unsigned long *)(addr),(size))
> -
> -#endif /* _ASM_GENERIC_BITOPS_MINIX_H_ */
--
------------------------------------------------------------------------
Greg Ungerer -- Principal Engineer EMAIL: gerg@...pgear.com
SnapGear Group, McAfee PHONE: +61 7 3435 2888
8 Gardner Close FAX: +61 7 3217 5323
Milton, QLD, 4064, Australia WEB: http://www.SnapGear.com
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