---

yaml --- r: 188292 b: refs/heads/master c: 309ce15 h: refs/heads/master v: v3
git-mirror · Mar 3, 2010 · cf65b52 · cf65b52
1 parent a8a06ab
commit cf65b52
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Showing 8 changed files with 27 additions and 11 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d7b4627f5f3390a2f350f16c047b3fc3eccce6d8
+refs/heads/master: 309ce156aa27f29338438011d292a8d6496623d3
diff --git a/trunk/drivers/infiniband/ulp/iser/iscsi_iser.c b/trunk/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -596,7 +596,7 @@ static struct scsi_host_template iscsi_iser_sht = {
 	.cmd_per_lun            = ISER_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
-	.eh_target_reset_handler= iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.target_alloc		= iscsi_target_alloc,
 	.use_clustering         = DISABLE_CLUSTERING,
 	.proc_name              = "iscsi_iser",

diff --git a/trunk/drivers/scsi/be2iscsi/be_main.c b/trunk/drivers/scsi/be2iscsi/be_main.c
@@ -79,7 +79,7 @@ static struct scsi_host_template beiscsi_sht = {
 	.slave_configure = beiscsi_slave_configure,
 	.target_alloc = iscsi_target_alloc,
 	.eh_device_reset_handler = iscsi_eh_device_reset,
-	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_session_reset,
 	.sg_tablesize = BEISCSI_SGLIST_ELEMENTS,
 	.can_queue = BE2_IO_DEPTH,
 	.this_id = -1,

diff --git a/trunk/drivers/scsi/bnx2i/bnx2i_iscsi.c b/trunk/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -1989,7 +1989,7 @@ static struct scsi_host_template bnx2i_host_template = {
 	.queuecommand		= iscsi_queuecommand,
 	.eh_abort_handler	= iscsi_eh_abort,
 	.eh_device_reset_handler = iscsi_eh_device_reset,
-	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.change_queue_depth	= iscsi_change_queue_depth,
 	.can_queue		= 1024,
 	.max_sectors		= 127,

diff --git a/trunk/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/trunk/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
@@ -915,7 +915,7 @@ static struct scsi_host_template cxgb3i_host_template = {
 	.cmd_per_lun		= ISCSI_DEF_CMD_PER_LUN,
 	.eh_abort_handler	= iscsi_eh_abort,
 	.eh_device_reset_handler = iscsi_eh_device_reset,
-	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.target_alloc		= iscsi_target_alloc,
 	.use_clustering		= DISABLE_CLUSTERING,
 	.this_id		= -1,

diff --git a/trunk/drivers/scsi/iscsi_tcp.c b/trunk/drivers/scsi/iscsi_tcp.c
@@ -874,7 +874,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = {
 	.cmd_per_lun		= ISCSI_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
-	.eh_target_reset_handler= iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.use_clustering         = DISABLE_CLUSTERING,
 	.slave_alloc            = iscsi_sw_tcp_slave_alloc,
 	.slave_configure        = iscsi_sw_tcp_slave_configure,

diff --git a/trunk/drivers/scsi/libiscsi.c b/trunk/drivers/scsi/libiscsi.c
@@ -2338,7 +2338,7 @@ EXPORT_SYMBOL_GPL(iscsi_session_recovery_timedout);
  * This function will wait for a relogin, session termination from
  * userspace, or a recovery/replacement timeout.
  */
-static int iscsi_eh_session_reset(struct scsi_cmnd *sc)
+int iscsi_eh_session_reset(struct scsi_cmnd *sc)
 {
 	struct iscsi_cls_session *cls_session;
 	struct iscsi_session *session;
@@ -2389,6 +2389,7 @@ static int iscsi_eh_session_reset(struct scsi_cmnd *sc)
 	mutex_unlock(&session->eh_mutex);
 	return SUCCESS;
 }
+EXPORT_SYMBOL_GPL(iscsi_eh_session_reset);
 
 static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr)
 {
@@ -2403,8 +2404,7 @@ static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr)
  * iscsi_eh_target_reset - reset target
  * @sc: scsi command
  *
- * This will attempt to send a warm target reset. If that fails
- * then we will drop the session and attempt ERL0 recovery.
+ * This will attempt to send a warm target reset.
  */
 int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 {
@@ -2476,12 +2476,27 @@ int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 	ISCSI_DBG_EH(session, "tgt %s reset result = %s\n", session->targetname,
 		     rc == SUCCESS ? "SUCCESS" : "FAILED");
 	mutex_unlock(&session->eh_mutex);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(iscsi_eh_target_reset);
 
+/**
+ * iscsi_eh_recover_target - reset target and possibly the session
+ * @sc: scsi command
+ *
+ * This will attempt to send a warm target reset. If that fails,
+ * we will escalate to ERL0 session recovery.
+ */
+int iscsi_eh_recover_target(struct scsi_cmnd *sc)
+{
+	int rc;
+
+	rc = iscsi_eh_target_reset(sc);
 	if (rc == FAILED)
 		rc = iscsi_eh_session_reset(sc);
 	return rc;
 }
-EXPORT_SYMBOL_GPL(iscsi_eh_target_reset);
+EXPORT_SYMBOL_GPL(iscsi_eh_recover_target);
 
 /*
  * Pre-allocate a pool of @max items of @item_size. By default, the pool

diff --git a/trunk/include/scsi/libiscsi.h b/trunk/include/scsi/libiscsi.h
@@ -338,7 +338,8 @@ struct iscsi_host {
 extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth,
 				    int reason);
 extern int iscsi_eh_abort(struct scsi_cmnd *sc);
-extern int iscsi_eh_target_reset(struct scsi_cmnd *sc);
+extern int iscsi_eh_recover_target(struct scsi_cmnd *sc);
+extern int iscsi_eh_session_reset(struct scsi_cmnd *sc);
 extern int iscsi_eh_device_reset(struct scsi_cmnd *sc);
 extern int iscsi_queuecommand(struct scsi_cmnd *sc,
 			      void (*done)(struct scsi_cmnd *));