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From: Mike Christie <michael.christie@oracle.com>
To: himanshu.madhani@oracle.com, njavali@marvell.com,
	james.bottomley@hansenpartnership.com,
	linux-scsi@vger.kernel.org, target-devel@vger.kernel.org
Subject: [PATCH 4/8] target: remove TARGET_SCF_LOOKUP_LUN_FROM_TAG
Date: Sun, 01 Nov 2020 18:59:30 +0000
Message-ID: <1604257174-4524-5-git-send-email-michael.christie@oracle.com> (raw)
In-Reply-To: <1604257174-4524-1-git-send-email-michael.christie@oracle.com>

TARGET_SCF_LOOKUP_LUN_FROM_TAG is no longer used so remove it.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
---
 drivers/target/target_core_transport.c | 33 ---------------------------------
 include/target/target_core_base.h      |  1 -
 2 files changed, 34 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index d47619a..465b6583 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1772,29 +1772,6 @@ static void target_complete_tmr_failure(struct work_struct *work)
 	transport_cmd_check_stop_to_fabric(se_cmd);
 }
 
-static bool target_lookup_lun_from_tag(struct se_session *se_sess, u64 tag,
-				       u64 *unpacked_lun)
-{
-	struct se_cmd *se_cmd;
-	unsigned long flags;
-	bool ret = false;
-
-	spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
-	list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) {
-		if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
-			continue;
-
-		if (se_cmd->tag = tag) {
-			*unpacked_lun = se_cmd->orig_fe_lun;
-			ret = true;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
-
-	return ret;
-}
-
 /**
  * target_submit_tmr - lookup unpacked lun and submit uninitialized se_cmd
  *                     for TMR CDBs
@@ -1842,16 +1819,6 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
 		core_tmr_release_req(se_cmd->se_tmr_req);
 		return ret;
 	}
-	/*
-	 * If this is ABORT_TASK with no explicit fabric provided LUN,
-	 * go ahead and search active session tags for a match to figure
-	 * out unpacked_lun for the original se_cmd.
-	 */
-	if (tm_type = TMR_ABORT_TASK && (flags & TARGET_SCF_LOOKUP_LUN_FROM_TAG)) {
-		if (!target_lookup_lun_from_tag(se_sess, tag,
-						&se_cmd->orig_fe_lun))
-			goto failure;
-	}
 
 	ret = transport_lookup_tmr_lun(se_cmd);
 	if (ret)
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 549947d..b3c9946 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -195,7 +195,6 @@ enum target_sc_flags_table {
 	TARGET_SCF_ACK_KREF		= 0x02,
 	TARGET_SCF_UNKNOWN_SIZE		= 0x04,
 	TARGET_SCF_USE_CPUID		= 0x08,
-	TARGET_SCF_LOOKUP_LUN_FROM_TAG	= 0x10,
 };
 
 /* fabric independent task management function values */
-- 
1.8.3.1

  parent reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-01 18:59 [PATCH 0/8 v3] target: fix up locking/refcounting in IO paths Mike Christie
2020-11-01 18:59 ` [PATCH 1/8] target: fix lun ref count handling Mike Christie
2020-11-11  2:58   ` Martin K. Petersen
2020-11-01 18:59 ` [PATCH 2/8] target: fix cmd_count ref leak Mike Christie
2020-11-01 18:59 ` [PATCH 3/8] qla2xxx: drop TARGET_SCF_LOOKUP_LUN_FROM_TAG Mike Christie
2020-11-01 18:59 ` Mike Christie [this message]
2020-11-01 18:59 ` [PATCH 5/8] qla2xxx: move sess cmd list/lock to driver Mike Christie
2020-11-01 18:59 ` [PATCH 6/8] target: Drop sess_cmd_lock from IO path Mike Christie
2020-11-01 18:59 ` [PATCH 7/8] target: make state_list per cpu Mike Christie
2020-11-01 18:59 ` [PATCH 8/8] tcm loop: allow queues, can queue and cmd per lun to be settable Mike Christie
2020-11-05  3:41 ` [PATCH 0/8 v3] target: fix up locking/refcounting in IO paths Martin K. Petersen

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