About change of arguments in hooks

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wsunat_private

Hi, 

I'm thinking of implementing file redirection using LSM hooks, e.g.
The deletion on /opt/2 will be applied to /tmp/2_victim.

And the hook inode_unlink(struct inode *dir, struct dentry *dentry) will be 
used, besides the extra work of keeping dcache consistent,  I've got to 
change the value of two pointers dir and dentry to make them pointing to  
/tmp and 2_victim instead.

I just wonder if this approach will bring some important side effect? I'm 
afraid it's not the right way of making using of LSM infrastructure.

Thanks for your suggestions!

wsun
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