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103 Commits

Author SHA1 Message Date
Goldwyn Rodrigues
edb39c9ded Introduce md_cluster_operations to handle cluster functions 
This allows dynamic registering of cluster hooks.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
 2015-02-23 07:28:42 -06:00
Goldwyn Rodrigues
47741b7ca7 DLM lock and unlock functions 
A dlm_lock_resource is a structure which contains all information
required for locking using DLM. The init function allocates the
lock and acquires the lock in NL mode. The unlock function
converts the lock resource to NL mode. This is done to preserve
LVB and for faster processing of locks. The lock resource is
DLM unlocked only in the lockres_free function, which is the end
of life of the lock resource.

Signed-off-by: Lidong Zhong <lzhong@suse.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
 2015-02-23 07:28:42 -06:00
Goldwyn Rodrigues
8e854e9cfd Create a separate module for clustering support 
Tagged as EXPERIMENTAL for now.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
 2015-02-23 07:28:42 -06:00