Re: dm-dedup can not make module

[Jack Wang <jack.wang.usish@xxxxxxxxx>]

Hi Zhichao.

Please change

 obj-$(CONFIG_DM_DEDUP) += dm-dedup.o 

to 

obj-m += dm-dedup.o

Regards,

Jack

2015-02-06 23:51 GMT+01:00 Zhichao Cao <caozhichao91@xxxxxxxxx>:

Hi Mike,

I'm a UMN CS student and just the beginer. I'm working on primary dedup project and read the dm-dedup paper, which might be very useful for me, so I want to try and learn it. 

However, when I tried to make dm-dedup as a module and insmod it, it always failed.

make -C /lib/modules/`uname -r`/build M=/root/Downloads/md

make[1]: Entering directory `/usr/src/linux-3.18.5'

  Building modules, stage 2.

  MODPOST 0 modules

make[1]: Leaving directory `/usr/src/linux-3.18.5'

No module was built after make, and my Makefile is:

dm-dedup-y += dm-dedup-target.o dm-dedup-hash.o dm-dedup-rw.o dm-dedup-cbt.o dm-dedup-ram.o

obj-$(CONFIG_DM_DEDUP) += dm-dedup.o

ifeq ($(CONFIG_DM_UEVENT),y)

dm-mod-objs += dm-uevent.o

endif

all:

make -C /lib/modules/`uname -r`/build M=$(PWD)

clean:

make -C /lib/modules/`uname -r`/build M=$(PWD) clean

install:

install -m 755 *.ko /lib/modules/`uname -r`/kernel/drivers/md/

The dm-dedup source files are pulled from git://git.fsl.cs.stonybrook.edu/linux-dmdedup.git 

branch dm-dedup-devel

Can you help me and give me some advises?

Thanks a lot!

Zhichao

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