[PATCH] compile out scsi_ioctl when no SCSI/IDE/etc. (take 2)

Hi Matt and everyone, I fixed my previous patch, added "select" statements, and provided support for hard-disk only IDE systems as suggested by Eric. Here are the sizes of vmlinux for a ppc system: textdata bss dec no IDE, with scsi_ioctl 1646846 181844 1

[PATCH] compile out scsi_ioctl when no SCSI/IDE/etc. (take 3)

Hi Matt and everyone, I fixed again my previous patch (take2): * CDROM_PKTCDVD draws dependency * removing SCSI_IOCTL from displayed options, as suggested by Milton Miller. * rewrote ifdefs in the middle of ide.c functions as dummy function in header, as suggested by Matthew Wilcox. Mat