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Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i_iscsi.c')
-rw-r--r--drivers/scsi/bnx2i/bnx2i_iscsi.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 041928b23cb0..5c55a75ae597 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -1,7 +1,7 @@
/*
* bnx2i_iscsi.c: Broadcom NetXtreme II iSCSI driver.
*
- * Copyright (c) 2006 - 2010 Broadcom Corporation
+ * Copyright (c) 2006 - 2011 Broadcom Corporation
* Copyright (c) 2007, 2008 Red Hat, Inc. All rights reserved.
* Copyright (c) 2007, 2008 Mike Christie
*
@@ -27,6 +27,7 @@ static struct scsi_host_template bnx2i_host_template;
*/
static DEFINE_SPINLOCK(bnx2i_resc_lock); /* protects global resources */
+DECLARE_PER_CPU(struct bnx2i_percpu_s, bnx2i_percpu);
static int bnx2i_adapter_ready(struct bnx2i_hba *hba)
{
@@ -1214,7 +1215,8 @@ static int bnx2i_task_xmit(struct iscsi_task *task)
struct bnx2i_cmd *cmd = task->dd_data;
struct iscsi_cmd *hdr = (struct iscsi_cmd *) task->hdr;
- if (bnx2i_conn->ep->num_active_cmds + 1 > hba->max_sqes)
+ if (atomic_read(&bnx2i_conn->ep->num_active_cmds) + 1 >
+ hba->max_sqes)
return -ENOMEM;
/*
@@ -1354,6 +1356,9 @@ bnx2i_conn_create(struct iscsi_cls_session *cls_session, uint32_t cid)
bnx2i_conn = conn->dd_data;
bnx2i_conn->cls_conn = cls_conn;
bnx2i_conn->hba = hba;
+
+ atomic_set(&bnx2i_conn->work_cnt, 0);
+
/* 'ep' ptr will be assigned in bind() call */
bnx2i_conn->ep = NULL;
init_completion(&bnx2i_conn->cmd_cleanup_cmpl);
@@ -1457,11 +1462,34 @@ static void bnx2i_conn_destroy(struct iscsi_cls_conn *cls_conn)
struct bnx2i_conn *bnx2i_conn = conn->dd_data;
struct Scsi_Host *shost;
struct bnx2i_hba *hba;
+ struct bnx2i_work *work, *tmp;
+ unsigned cpu = 0;
+ struct bnx2i_percpu_s *p;
shost = iscsi_session_to_shost(iscsi_conn_to_session(cls_conn));
hba = iscsi_host_priv(shost);
bnx2i_conn_free_login_resources(hba, bnx2i_conn);
+
+ if (atomic_read(&bnx2i_conn->work_cnt)) {
+ for_each_online_cpu(cpu) {
+ p = &per_cpu(bnx2i_percpu, cpu);
+ spin_lock_bh(&p->p_work_lock);
+ list_for_each_entry_safe(work, tmp,
+ &p->work_list, list) {
+ if (work->session == conn->session &&
+ work->bnx2i_conn == bnx2i_conn) {
+ list_del_init(&work->list);
+ kfree(work);
+ if (!atomic_dec_and_test(
+ &bnx2i_conn->work_cnt))
+ break;
+ }
+ }
+ spin_unlock_bh(&p->p_work_lock);
+ }
+ }
+
iscsi_conn_teardown(cls_conn);
}
@@ -1769,7 +1797,7 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost,
}
bnx2i_ep = ep->dd_data;
- bnx2i_ep->num_active_cmds = 0;
+ atomic_set(&bnx2i_ep->num_active_cmds, 0);
iscsi_cid = bnx2i_alloc_iscsi_cid(hba);
if (iscsi_cid == -1) {
printk(KERN_ALERT "bnx2i (%s): alloc_ep - unable to allocate "
@@ -2163,9 +2191,9 @@ static struct scsi_host_template bnx2i_host_template = {
.eh_device_reset_handler = iscsi_eh_device_reset,
.eh_target_reset_handler = iscsi_eh_recover_target,
.change_queue_depth = iscsi_change_queue_depth,
- .can_queue = 1024,
+ .can_queue = 2048,
.max_sectors = 127,
- .cmd_per_lun = 24,
+ .cmd_per_lun = 128,
.this_id = -1,
.use_clustering = ENABLE_CLUSTERING,
.sg_tablesize = ISCSI_MAX_BDS_PER_CMD,