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Currently, working for ocfs2 development at Oracle Lnux UEK group.

Previously, for a NAS appliance running Oracle Secure Linux, designed and wrote lock-free fifos to connect NFS CIFS protocols running in user space to the kernel tcp stack. FIFOs implemented on shared memory – user kernel vaddrs mapping to the same paddr. Lock-free achieved by using memory barriers and atomic ops.

Prior to that, 10 years working on enhancing Veritas File System (VxFS) at Veritas/Symantec.

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