diff options
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i_iscsi.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/cxgb3i/cxgb3i_iscsi.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/iscsi_tcp.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/libiscsi.c | 23 | ||||
| -rw-r--r-- | include/scsi/libiscsi.h | 3 |
7 files changed, 26 insertions, 10 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 5f7a6fca0a4..5472b7e9abd 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/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/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 7c22616ab14..4d269b434a7 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/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/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 1c4d1215769..cb71dc98479 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/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/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index 412853c6537..b7c30585dad 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/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/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 8a89ba90058..249053a9d4f 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/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/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 703eb6a8879..685eaec5321 100644 --- a/drivers/scsi/libiscsi.c +++ b/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 @@ failed: 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 @@ done: 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/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index ff92b46f515..ae5196aae1a 100644 --- a/include/scsi/libiscsi.h +++ b/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 *)); |