staging/lustre: Remove unused lustre_build_lock_params()

#define LL_MAX_BLKSIZE_BITS     (22)

#define LL_MAX_BLKSIZE	  (1UL<<LL_MAX_BLKSIZE_BITS)

#include "lustre/lustre_user.h"

struct lustre_rw_params {

	int		lrp_lock_mode;

	ldlm_policy_data_t lrp_policy;

	u32		lrp_brw_flags;

	int		lrp_ast_flags;

};

/*

 * XXX nikita: this function lives in the header because it is used by both

 * llite kernel module and liblustre library, and there is no (?) better place

 * to put it in.

 */

static inline void lustre_build_lock_params(int cmd, unsigned long open_flags,

					    __u64 connect_flags,

					    loff_t pos, ssize_t len,

					    struct lustre_rw_params *params)

{

	params->lrp_lock_mode = (cmd == OBD_BRW_READ) ? LCK_PR : LCK_PW;

	params->lrp_brw_flags = 0;

	params->lrp_policy.l_extent.start = pos;

	params->lrp_policy.l_extent.end = pos + len - 1;

	/*

	 * for now O_APPEND always takes local locks.

	 */

	if (cmd == OBD_BRW_WRITE && (open_flags & O_APPEND)) {

		params->lrp_policy.l_extent.start = 0;

		params->lrp_policy.l_extent.end   = OBD_OBJECT_EOF;

	} else if (LIBLUSTRE_CLIENT && (connect_flags & OBD_CONNECT_SRVLOCK)) {

		/*

		 * liblustre: OST-side locking for all non-O_APPEND

		 * reads/writes.

		 */

		params->lrp_lock_mode = LCK_NL;

		params->lrp_brw_flags = OBD_BRW_SRVLOCK;

	} else {

		/*

		 * nothing special for the kernel. In the future llite may use

		 * OST-side locks for small writes into highly contended

		 * files.

		 */

	}

	params->lrp_ast_flags = (open_flags & O_NONBLOCK) ?

		LDLM_FL_BLOCK_NOWAIT : 0;

}

/*

 * This is embedded into liblustre and llite super-blocks to keep track of

 * connect flags (capabilities) supported by all imports given mount is