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authorGoldwyn Rodrigues <rgoldwyn@suse.com>2014-03-07 13:49:26 -0600
committerGoldwyn Rodrigues <rgoldwyn@suse.com>2015-02-23 07:28:42 -0600
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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>
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