diff mbox

[v6,25/33] target: Remove several state tests from the TMF code

Message ID 20170215002612.14566-26-bart.vanassche@sandisk.com (mailing list archive)
State Superseded
Headers show

Commit Message

Bart Van Assche Feb. 15, 2017, 12:26 a.m. UTC
Whether or not a session is being torn down does not affect whether
or not SCSI commands are in the task set. Hence remove the "tearing
down" checks from the TMF code. The TRANSPORT_ISTATE_PROCESSING
check is left out because it is now safe to wait for a command that
is in that state.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: David Disseldorp <ddiss@suse.de>
---
 drivers/target/target_core_tmr.c | 16 ----------------
 1 file changed, 16 deletions(-)
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Patch

diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index 109ae5e9e995..bd5ada93c434 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -114,12 +114,6 @@  static bool __target_check_io_state(struct se_cmd *se_cmd, u32 skip_flags,
 		spin_unlock(&se_cmd->t_state_lock);
 		return false;
 	}
-	if (sess->sess_tearing_down) {
-		pr_debug("Attempted to abort io tag: %llu already shutdown,"
-			" skipping\n", se_cmd->tag);
-		spin_unlock(&se_cmd->t_state_lock);
-		return false;
-	}
 	se_cmd->transport_state |= CMD_T_ABORTED;
 
 	if ((tmr_sess != se_cmd->se_sess) && tas)
@@ -238,16 +232,6 @@  static void core_tmr_drain_tmr_list(
 			spin_unlock(&sess->sess_cmd_lock);
 			continue;
 		}
-		if (cmd->t_state == TRANSPORT_ISTATE_PROCESSING) {
-			spin_unlock(&cmd->t_state_lock);
-			spin_unlock(&sess->sess_cmd_lock);
-			continue;
-		}
-		if (sess->sess_tearing_down) {
-			spin_unlock(&cmd->t_state_lock);
-			spin_unlock(&sess->sess_cmd_lock);
-			continue;
-		}
 		cmd->transport_state |= CMD_T_ABORTED;
 		spin_unlock(&cmd->t_state_lock);