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Commit b8b22533 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Nicholas Bellinger
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tcm_fc: Offload WRITE I/O backend submission to tpg workqueue 



Defer the write processing to the internal to be able to use
target_execute_cmd.  I'm not even entirely sure the calling code requires
this due to the convoluted structure in libfc, but let's be safe for now.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Cc: Mark Rustad <mark.d.rustad@intel.com>
Cc: Kiran Patil <Kiran.patil@intel.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 43381ce8

drivers/target/tcm_fc/tfc_io.c

+11 −2
Original line number Diff line number Diff line
@@ -183,6 +183,13 @@ int ft_queue_data_in(struct se_cmd *se_cmd) 
	return ft_queue_status(se_cmd);

}



static void ft_execute_work(struct work_struct *work)

{

	struct ft_cmd *cmd = container_of(work, struct ft_cmd, work);



	target_execute_cmd(&cmd->se_cmd);

}



/*

 * Receive write data frame.

 */
@@ -307,8 +314,10 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp) 
		cmd->write_data_len += tlen;

	}

last_frame:

	if (cmd->write_data_len == se_cmd->data_length)

		transport_generic_handle_data(se_cmd);

	if (cmd->write_data_len == se_cmd->data_length) {

		INIT_WORK(&cmd->work, ft_execute_work);

		queue_work(cmd->sess->tport->tpg->workqueue, &cmd->work);

	}

drop:

	fc_frame_free(fp);

}