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Groups > linux.kernel > #1236954

[PATCH 08/32] staging/lustre/ldlm: Remove unused ldlm_cancel_locks_for_exports()

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From: Oleg Drokin <green@linuxhacker.ru>

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

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
---
 drivers/staging/lustre/lustre/ldlm/ldlm_internal.h |  2 -
 drivers/staging/lustre/lustre/ldlm/ldlm_lock.c     | 50 ----------------------
 2 files changed, 52 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
index fa4b7c7..e870b3e 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
@@ -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);
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
index 12eb5ac..b257b89 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
@@ -2012,56 +2012,6 @@ struct export_cl_data {
 };
 
 /**
- * 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.
  *
  * A fast variant of ldlm_lock_convert for conversion of exclusive
-- 
2.1.0

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Thread

[PATCH 00/32] Lustre (mostly locking) unused code removal green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 21/32] staging/lustre/ldlm: Remove ldlm_refresh/del_waiting_lock() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 04/32] staging/lustre/llite: Remove unused ll_rmdir_entry() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 18/32] staging/lustre/ldlm: Remove ldlm_namespace_free() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 12/32] staging/lustre/ldlm: Remove unused ldlm_cli_enqueue_local() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 25/32] staging/lustre/ldlm: Remove unused ldlm_blocking_ast/_nocheck() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 06/32] staging/lustre/lov: Remove unused lov_lsm_decref() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 29/32] staging/lustre/ldlm: Remove unused exported symbols. green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 20/32] staging/lustre/ldlm: Remove unused ldlm_pool_set_slv() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 16/32] staging/lustre/ldlm: Remove ldlm_glimpse_ast() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 28/32] staging/lustre/ldlm: Remove server side code from pool support. green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 24/32] staging/lustre/ldlm: Remove unused ldlm_resource_insert_lock_after() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 19/32] staging/lustre/ldlm: Remove unused ldlm_pool_get_clv() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 30/32] staging/lustre/ldlm: Remove ldlm_namespace_inactive_list() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 05/32] staging/lustre/lov: Remove unused lov_dump_lmm/pool() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 02/32] staging/lustre: KEY_DEFAULT/MAX_COOKIESIZE key is unused, remove them green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 32/32] staging/lustre/ldlm: Make ldlm_add_ast_work_item() static green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 13/32] staging/lustre/ldlm: Remove unused ldlm_init/fini_flock_export green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 08/32] staging/lustre/ldlm: Remove unused ldlm_cancel_locks_for_exports() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 07/32] staging/lustre/ldlm: Remove unused interval tree bits green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 03/32] staging/lustre: Remove ununused ll_ra_read_get() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 14/32] staging/lustre/ldlm: Remove unused ldlm_enqueue_pack() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 26/32] staging/lustre: Remove ns_is_client() green@linuxhacker.ru - 2015-10-01 06:20 +0200
  [PATCH 11/32] staging/lustre/ldlm: Get rid of lr_converting queue green@linuxhacker.ru - 2015-10-01 06:30 +0200
  [PATCH 10/32] staging/lustre/ldlm: Remove unimplemented lock conversion traces. green@linuxhacker.ru - 2015-10-01 06:30 +0200

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