centOS7编译NBD驱动

uname  -r  #-> 3.10.0-123.el7.x86_64

yum  install  kernel-devel kernel-headers
cd  /tmp
wget http: //vault .centos.org /7 .0.1406 /os/Source/SPackages/kernel-3 .10.0-123.el7.src.rpm
rpm -ihv kernel-3.10.0-123.el7.src.rpm
cd  ~ /rpmbuild/SOURCES
tar  Jxvf linux-3.10.0-123.el7. tar .xz -C  /usr/src/kernels/
cd  /usr/src/kernels/
mv  $( uname  -r) $( uname  -r)-old
mv  linux-3.10.0-123.el7 $( uname  -r)
cd  $( uname  -r)
make  mrproper
cp  ../$( uname  -r)-old /Module .symvers ./
cp  /boot/config- $( uname  -r) ./.config
make  oldconfig
make  prepare
make  scripts
make  CONFIG_BLK_DEV_NBD=m M=drivers /block
cp  drivers /block/nbd .ko  /lib/modules/ $( uname  -r) /kernel/drivers/block/
depmod -a