transport_wait_for_tasks() not only waits for command completion
but also sets CMD_T_STOP. Additionally, this function is not only
called by frontend drivers but also by the target core. Update
the transport_wait_for_tasks() documentation to reflect this.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Andy Grover <agrover@xxxxxxxxxx>
Cc: David Disseldorp <ddiss@xxxxxxx>
---
drivers/target/target_core_transport.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9b1dced4534a..6c451ea4f429 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2756,11 +2756,12 @@ __transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop,
}
/**
- * transport_wait_for_tasks - wait for completion to occur
- * @cmd: command to wait
+ * transport_wait_for_tasks - set CMD_T_STOP and wait for t_transport_stop_comp
+ * @cmd: command to wait on
*
- * Called from frontend fabric context to wait for storage engine
- * to pause and/or release frontend generated struct se_cmd.
+ * Returns immediately if CMD_T_ACTIVE has not been set. If CMD_T_ACTIVE has
+ * been set, sets the CMD_T_STOP flag, waits for t_transport_stop_comp and
+ * clears CMD_T_STOP and CMD_T_ACTIVE.
*/
bool transport_wait_for_tasks(struct se_cmd *cmd)
{
--
2.11.0
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