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>
