diff mbox series

[4/8] target: remove TARGET_SCF_LOOKUP_LUN_FROM_TAG

Message ID 1603954171-11621-5-git-send-email-michael.christie@oracle.com
State Superseded
Headers show
Series [1/8] target: fix lun ref count handling | expand

Commit Message

Mike Christie Oct. 29, 2020, 6:49 a.m. UTC
TARGET_SCF_LOOKUP_LUN_FROM_TAG is no longer used so remove it.

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

Comments

Himanshu Madhani Oct. 29, 2020, 8:24 p.m. UTC | #1
> On Oct 29, 2020, at 1:49 AM, Mike Christie <michael.christie@oracle.com> wrote:
> 
> TARGET_SCF_LOOKUP_LUN_FROM_TAG is no longer used so remove it.
> 
> Signed-off-by: Mike Christie <michael.christie@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
> 

Looks Good.

Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>

--
Himanshu Madhani	 Oracle Linux Engineering
diff mbox series

Patch

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 */