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Commit 8a7c086d authored by Oleg Drokin's avatar Oleg Drokin Committed by Greg Kroah-Hartman
Browse files

staging/lustre/ldlm: Remove unused ldlm_cancel_locks_for_exports() 



This is only used on the server in case a client gets disconnected.

Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3dd5a6ba

drivers/staging/lustre/lustre/ldlm/ldlm_internal.h

+0 −2
Original line number Diff line number Diff line
@@ -164,8 +164,6 @@ void ldlm_lock_add_to_lru(struct ldlm_lock *lock); 
void ldlm_lock_touch_in_lru(struct ldlm_lock *lock);

void ldlm_lock_destroy_nolock(struct ldlm_lock *lock);



void ldlm_cancel_locks_for_export(struct obd_export *export);



/* ldlm_lockd.c */

int ldlm_bl_to_thread_lock(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,

			   struct ldlm_lock *lock);

drivers/staging/lustre/lustre/ldlm/ldlm_lock.c

+0 −50
Original line number Diff line number Diff line
@@ -2011,56 +2011,6 @@ struct export_cl_data { 
	int			ecl_loop;

};



/**

 * Iterator function for ldlm_cancel_locks_for_export.

 * Cancels passed locks.

 */

int ldlm_cancel_locks_for_export_cb(struct cfs_hash *hs, struct cfs_hash_bd *bd,

				    struct hlist_node *hnode, void *data)



{

	struct export_cl_data	*ecl = (struct export_cl_data *)data;

	struct obd_export	*exp  = ecl->ecl_exp;

	struct ldlm_lock     *lock = cfs_hash_object(hs, hnode);

	struct ldlm_resource *res;



	res = ldlm_resource_getref(lock->l_resource);

	LDLM_LOCK_GET(lock);



	LDLM_DEBUG(lock, "export %p", exp);

	ldlm_res_lvbo_update(res, NULL, 1);

	ldlm_lock_cancel(lock);

	ldlm_reprocess_all(res);

	ldlm_resource_putref(res);

	LDLM_LOCK_RELEASE(lock);



	ecl->ecl_loop++;

	if ((ecl->ecl_loop & -ecl->ecl_loop) == ecl->ecl_loop) {

		CDEBUG(D_INFO,

		       "Cancel lock %p for export %p (loop %d), still have %d locks left on hash table.\n",

		       lock, exp, ecl->ecl_loop,

		       atomic_read(&hs->hs_count));

	}



	return 0;

}



/**

 * Cancel all locks for given export.

 *

 * Typically called on client disconnection/eviction

 */

void ldlm_cancel_locks_for_export(struct obd_export *exp)

{

	struct export_cl_data	ecl = {

		.ecl_exp	= exp,

		.ecl_loop	= 0,

	};



	cfs_hash_for_each_empty(exp->exp_lock_hash,

				ldlm_cancel_locks_for_export_cb, &ecl);

}



/**

 * Downgrade an exclusive lock.

 *