[disk] Introduce UnitNum operation
authorShao Miller <Shao.Miller@yrdsb.edu.on.ca>
Sun, 9 Jan 2011 10:23:27 +0000 (05:23 -0500)
committerShao Miller <Shao.Miller@yrdsb.edu.on.ca>
Sun, 9 Jan 2011 10:23:27 +0000 (05:23 -0500)
commitc59ae39c19e626bc0ff5d2d39054908e14fe18f5
tree601eb0f911cd714678d8570363795d54c4d4ba52
parent4d789c46bae4e82303f27e53a4b6283a2ea6ffe5
[disk] Introduce UnitNum operation

To fetch the unit number.  A disk driver should implement it.
src/aoe/driver.c
src/include/disk.h
src/winvblock/disk/disk.c
src/winvblock/filedisk/filedisk.c
src/winvblock/ramdisk/ramdisk.c