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Re: [Linux-cluster] error: 'struct inode' has no member named 'i_mutex'



David Siroky wrote:

Hi!

I tried to compile the cluster 1.02 against debian kernel 2.6.15

./configure --kernel_src=/usr/src/linux-source-2.6.15
make install

but the compilation fails:

....
/usr/src/cluster-1.02.00/gfs-kernel/src/gfs/ops_file.c: In function
'gfs_write':
/usr/src/cluster-1.02.00/gfs-kernel/src/gfs/ops_file.c:955: warning:
implicit declaration of function 'mutex_lock'
/usr/src/cluster-1.02.00/gfs-kernel/src/gfs/ops_file.c:955: error:
'struct inode' has no member named 'i_mutex'
/usr/src/cluster-1.02.00/gfs-kernel/src/gfs/ops_file.c:960: warning:
implicit declaration of function 'mutex_unlock'
/usr/src/cluster-1.02.00/gfs-kernel/src/gfs/ops_file.c:960: error:
'struct inode' has no member named 'i_mutex'
make[5]: *** [/usr/src/cluster-1.02.00/gfs-kernel/src/gfs/ops_file.o]
Error 1
make[4]: *** [_module_/usr/src/cluster-1.02.00/gfs-kernel/src/gfs] Error
2
make[4]: Leaving directory `/usr/src/linux-source-2.6.15'
make[3]: *** [all] Error 2
make[3]: Leaving directory `/usr/src/cluster-1.02.00/gfs-kernel/src/gfs'
...

What em I doing wrong?

This is why we've been very careful about RHEL updates (in order to provide stable external interfaces and environment for users and customers).

Sometime after 2.6.15 kernel, the i_sem semaphore within VFS layer's struct inode was changed to i_mutext in community versions of kernels. GFS had to comply to this change for non-RHEL based CVS branches. In short, you have to pick up newer versions of kernel from your distributor that contains this VFS layer changes.

-- Wendy


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