From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
This patch makes transport_generic_new_cmd() defined as EXPORT_SYMBOL()
for use with iscsi-target direct task allocation. It then changes
iscsi-target to use this direct method instead of the legacy
transport_generic_handle_cdb() queue usage.
Signed-off-by: Andy Grover <agrover@xxxxxxxxxx>
Reported-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
---
drivers/target/target_core_transport.c | 4 ++--
include/target/target_core_transport.h | 1 +
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9bb3ac9..fbc5687 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1842,7 +1842,6 @@ int transport_generic_handle_cdb(
printk(KERN_ERR "cmd->se_lun is NULL\n");
return -EINVAL;
}
-
transport_add_cmd_to_queue(cmd, TRANSPORT_NEW_CMD);
return 0;
}
@@ -4747,7 +4746,7 @@ transport_map_control_cmd_to_task(struct se_cmd *cmd)
/*
* Generate struct se_task(s) and/or their payloads for this CDB.
*/
-static int transport_generic_new_cmd(struct se_cmd *cmd)
+int transport_generic_new_cmd(struct se_cmd *cmd)
{
struct se_portal_group *se_tpg;
struct se_task *task;
@@ -4817,6 +4816,7 @@ static int transport_generic_new_cmd(struct se_cmd *cmd)
transport_execute_tasks(cmd);
return 0;
}
+EXPORT_SYMBOL(transport_generic_new_cmd);
/* transport_generic_process_write():
*
diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h
index 4bbd88b..c9846d5 100644
--- a/include/target/target_core_transport.h
+++ b/include/target/target_core_transport.h
@@ -188,6 +188,7 @@ extern int transport_map_mem_to_sg(struct se_task *, struct list_head *,
struct se_mem **, u32 *, u32 *);
extern void transport_do_task_sg_chain(struct se_cmd *);
extern void transport_generic_process_write(struct se_cmd *);
+extern int transport_generic_new_cmd(struct se_cmd *);
extern int transport_generic_do_tmr(struct se_cmd *);
/* From target_core_alua.c */
extern int core_alua_check_nonop_delay(struct se_cmd *);
--
1.7.6
--
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