Re: [PATCH v3 22/22] bitops: remove minix bitops from asm/bitops.h

[Paul Mundt]

On Tue, Nov 23, 2010 at 10:38:24PM +0900, 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@xxxxxxxxx>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> Acked-by: Greg Ungerer <gerg@xxxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Roman Zippel <zippel@xxxxxxxxxxxxxx>
> Cc: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
> Cc: linux-m68k@xxxxxxxxxxxxxxxxxxxx
> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> Cc: linux390@xxxxxxxxxx
> Cc: linux-s390@xxxxxxxxxxxxxxx
> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
> Cc: Michal Simek <monstr@xxxxxxxxx>
> Cc: microblaze-uclinux@xxxxxxxxxxxxxx
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Cc: sparclinux@xxxxxxxxxxxxxxx
> Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
> Cc: linux-m32r@xxxxxxxxxxxxxxxxx
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Cc: linux-mips@xxxxxxxxxxxxxx
> Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
> Cc: linux-sh@xxxxxxxxxxxxxxx
> Cc: Chris Zankel <chris@xxxxxxxxxx>

Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>
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