On 12/27/2012 11:57 PM, Hitoshi Mitake wrote: > At Thu, 27 Dec 2012 22:00:41 +0800, > levin li wrote: >> >> From: levin li <xingke.lwp at taobao.com> >> >> This module provides function for users to take sheepdog VDIs as block >> devices in linux, users can register a VDI to its kernel space, it just >> like that a new hard disk is added to the computer, users can create >> partitions for the disk, format the disk or mount the disk, it provides >> users a efficient way to use sheepdog as distributed storage system. >> >> The usage is easy, after install the module sheepdev.ko, it creates a proc >> entry '/proc/entry', you can write into the proc entry file to control >> the driver. >> >> Add a new block device from an existing sheepdog VDI: >> >> # echo "add 127.0.0.1:7070 a5d05d" > /proc/sheep >> >> It would create a block device /dev/sheepa, you can format/mount this device: >> >> # mkfs.ext4 /dev/sheepa >> # mount -t ext4 /sheep/sheepa test >> >> Remove a block device from the kernel: >> >> # echo "del sheepa" > /proc/sheep >> >> Signed-off-by: levin li <xingke.lwp at taobao.com> >> --- >> sheepdev/connect.c | 178 ++++++++++++ >> sheepdev/module.c | 726 ++++++++++++++++++++++++++++++++++++++++++++++ >> sheepdev/sheep.c | 136 +++++++++ >> sheepdev/sheep.h | 88 ++++++ >> sheepdev/sheepdog_proto.h | 290 ++++++++++++++++++ >> 5 files changed, 1418 insertions(+) >> create mode 100644 sheepdev/connect.c >> create mode 100644 sheepdev/module.c >> create mode 100644 sheepdev/sheep.c >> create mode 100644 sheepdev/sheep.h >> create mode 100644 sheepdev/sheepdog_proto.h >> > > It is interesting. I've not looked the internal of sheepdev, but I > tried to build it and found this compile error: > /home/mitake/github/sheepdog.git/sheepdev/connect.c: In function ‘connect_to’: > /home/mitake/github/sheepdog.git/sheepdev/connect.c:31: error: implicit declaration of function ‘in_aton’ > > It seems that including <linux/inet.h> in sheep.h is required. > The version of my environment for building the kernel module is > 3.7.0-rc7. > > Thanks, > Hitoshi > Thanks, I'll try the kernel you use and fix this problem. thanks, levin |