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Diffstat (limited to 'net/rds/ib_rdma.c')
-rw-r--r--net/rds/ib_rdma.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 69a6289ed67..81033af9302 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -139,7 +139,7 @@ int rds_ib_update_ipaddr(struct rds_ib_device *rds_ibdev, __be32 ipaddr)
139 return rds_ib_add_ipaddr(rds_ibdev, ipaddr); 139 return rds_ib_add_ipaddr(rds_ibdev, ipaddr);
140} 140}
141 141
142int rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn) 142void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn)
143{ 143{
144 struct rds_ib_connection *ic = conn->c_transport_data; 144 struct rds_ib_connection *ic = conn->c_transport_data;
145 145
@@ -148,45 +148,44 @@ int rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn
148 BUG_ON(list_empty(&ib_nodev_conns)); 148 BUG_ON(list_empty(&ib_nodev_conns));
149 BUG_ON(list_empty(&ic->ib_node)); 149 BUG_ON(list_empty(&ic->ib_node));
150 list_del(&ic->ib_node); 150 list_del(&ic->ib_node);
151 spin_unlock_irq(&ib_nodev_conns_lock);
152 151
153 spin_lock_irq(&rds_ibdev->spinlock); 152 spin_lock_irq(&rds_ibdev->spinlock);
154 list_add_tail(&ic->ib_node, &rds_ibdev->conn_list); 153 list_add_tail(&ic->ib_node, &rds_ibdev->conn_list);
155 spin_unlock_irq(&rds_ibdev->spinlock); 154 spin_unlock_irq(&rds_ibdev->spinlock);
155 spin_unlock_irq(&ib_nodev_conns_lock);
156 156
157 ic->rds_ibdev = rds_ibdev; 157 ic->rds_ibdev = rds_ibdev;
158
159 return 0;
160} 158}
161 159
162void rds_ib_remove_nodev_conns(void) 160void rds_ib_remove_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn)
163{ 161{
164 struct rds_ib_connection *ic, *_ic; 162 struct rds_ib_connection *ic = conn->c_transport_data;
165 LIST_HEAD(tmp_list);
166 163
167 /* avoid calling conn_destroy with irqs off */ 164 /* place conn on nodev_conns_list */
168 spin_lock_irq(&ib_nodev_conns_lock); 165 spin_lock(&ib_nodev_conns_lock);
169 list_splice(&ib_nodev_conns, &tmp_list);
170 INIT_LIST_HEAD(&ib_nodev_conns);
171 spin_unlock_irq(&ib_nodev_conns_lock);
172 166
173 list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node) { 167 spin_lock_irq(&rds_ibdev->spinlock);
174 if (ic->conn->c_passive) 168 BUG_ON(list_empty(&ic->ib_node));
175 rds_conn_destroy(ic->conn->c_passive); 169 list_del(&ic->ib_node);
176 rds_conn_destroy(ic->conn); 170 spin_unlock_irq(&rds_ibdev->spinlock);
177 } 171
172 list_add_tail(&ic->ib_node, &ib_nodev_conns);
173
174 spin_unlock(&ib_nodev_conns_lock);
175
176 ic->rds_ibdev = NULL;
178} 177}
179 178
180void rds_ib_remove_conns(struct rds_ib_device *rds_ibdev) 179void __rds_ib_destroy_conns(struct list_head *list, spinlock_t *list_lock)
181{ 180{
182 struct rds_ib_connection *ic, *_ic; 181 struct rds_ib_connection *ic, *_ic;
183 LIST_HEAD(tmp_list); 182 LIST_HEAD(tmp_list);
184 183
185 /* avoid calling conn_destroy with irqs off */ 184 /* avoid calling conn_destroy with irqs off */
186 spin_lock_irq(&rds_ibdev->spinlock); 185 spin_lock_irq(list_lock);
187 list_splice(&rds_ibdev->conn_list, &tmp_list); 186 list_splice(list, &tmp_list);
188 INIT_LIST_HEAD(&rds_ibdev->conn_list); 187 INIT_LIST_HEAD(list);
189 spin_unlock_irq(&rds_ibdev->spinlock); 188 spin_unlock_irq(list_lock);
190 189
191 list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node) { 190 list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node) {
192 if (ic->conn->c_passive) 191 if (ic->conn->c_passive)