Is used to signal completion of dfs_readnowait or dfs_writenowait.
typedef struct { void *sema; int ccode; } dfs_cbparms_t;
Specifies a local semaphore handle obtained by calling a semaphore function. See Synchronization Services
in Volume 2.
Specifies the completion code for dfs_readnowait or dfs_writenowait. For possible values, see Section 13.4.5, DFS Return Values.
See dfs_readnowait or dfs_writenowait for more information.