On Thursday 21 October 2010, 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>
