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authorMike Christie <michael.christie@oracle.com>2023-09-27 21:09:02 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2023-10-13 15:53:57 -0400
commitee48345e1ccaaa7a9f0a8b34c694a68286ac78fa (patch)
treedce0cb07a24c086166103153ec15e0e2a5f15262
parentscsi: target: Have drivers report if they support direct submissions (diff)
downloadwireguard-linux-ee48345e1ccaaa7a9f0a8b34c694a68286ac78fa.tar.xz
wireguard-linux-ee48345e1ccaaa7a9f0a8b34c694a68286ac78fa.zip
scsi: target: core: Move core_alua_check_nonop_delay() call
Move core_alua_check_nonop_delay() to transport_handle_cdb_direct() so the iSCSI target driver doesn't have to call as many core functions directly. We will eventually merge transport_handle_cdb_direct and target_submit so iSCSI and the other drivers call a common function. It will also be helpful as preparation for future changes which allow the iSCSI target to defer command submission to the LIO submission workqueue, because we will have a common submission function for that which will be based on transport_handle_cdb_direct()/target_submit(). Signed-off-by: Mike Christie <michael.christie@oracle.com> Link: https://lore.kernel.org/r/20230928020907.5730-3-michael.christie@oracle.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/target/iscsi/iscsi_target.c6
-rw-r--r--drivers/target/target_core_alua.c1
-rw-r--r--drivers/target/target_core_transport.c12
-rw-r--r--include/target/target_core_fabric.h2
4 files changed, 6 insertions, 15 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index b516c2893420..1d25e64b068a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1234,12 +1234,6 @@ attach_cmd:
spin_lock_bh(&conn->cmd_lock);
list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list);
spin_unlock_bh(&conn->cmd_lock);
- /*
- * Check if we need to delay processing because of ALUA
- * Active/NonOptimized primary access state..
- */
- core_alua_check_nonop_delay(&cmd->se_cmd);
-
return 0;
}
EXPORT_SYMBOL(iscsit_setup_scsi_cmd);
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 3372856319f7..01751faad386 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -850,7 +850,6 @@ int core_alua_check_nonop_delay(
msleep_interruptible(cmd->alua_nonop_delay);
return 0;
}
-EXPORT_SYMBOL(core_alua_check_nonop_delay);
static int core_alua_write_tpg_metadata(
const char *path,
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 687adc9e086c..a63f19bf47f8 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1586,6 +1586,12 @@ int transport_handle_cdb_direct(
might_sleep();
+ /*
+ * Check if we need to delay processing because of ALUA
+ * Active/NonOptimized primary access state..
+ */
+ core_alua_check_nonop_delay(cmd);
+
if (!cmd->se_lun) {
dump_stack();
pr_err("cmd->se_lun is NULL\n");
@@ -1817,12 +1823,6 @@ void target_submit(struct se_cmd *se_cmd)
}
- /*
- * Check if we need to delay processing because of ALUA
- * Active/NonOptimized primary access state..
- */
- core_alua_check_nonop_delay(se_cmd);
-
transport_handle_cdb_direct(se_cmd);
}
EXPORT_SYMBOL_GPL(target_submit);
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index dcd7d76d2f30..e5fcfb845529 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -206,8 +206,6 @@ void target_stop_session(struct se_session *se_sess);
void target_wait_for_sess_cmds(struct se_session *);
void target_show_cmd(const char *pfx, struct se_cmd *cmd);
-int core_alua_check_nonop_delay(struct se_cmd *);
-
int core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
void core_tmr_release_req(struct se_tmr_req *);
int transport_generic_handle_tmr(struct se_cmd *);