From 8a7c086d8cb17978f2fdf6768ff0233f9a9507ea Mon Sep 17 00:00:00 2001
From: Oleg Drokin <green@linuxhacker.ru>
Date: Thu, 1 Oct 2015 00:12:18 -0400
Subject: [PATCH] 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: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../lustre/lustre/ldlm/ldlm_internal.h | 2 -
.../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 fa4b7c760d496..e870b3ebe9dd0 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 12eb5ac3b3d84..b257b894864b6 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
@@ -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.
*
--
2.30.2