taglinefilesource code
getblk713fs/buffer.cstruct buffer_head * getblk(kdev_t dev, int block, int size)
getblk27fs/msdos/msbuffer.h#undef getblk
getblk32fs/msdos/msbuffer.h#define getblk(d,b,s)      msdos_getblk(sb,b)