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Commit 4dde5069 authored by Vijaya Mohan Guvva's avatar Vijaya Mohan Guvva Committed by James Bottomley
Browse files

[SCSI] bfa: dis-associate bfa path_tov with dev_loss_tmo 



Disassoicate path_tov in the driver with the dev_loss_tmo set by the
application.

Signed-off-by: default avatarVijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent f9c867b4

drivers/scsi/bfa/bfad_attr.c

+7 −26
Original line number Original line Diff line number Diff line
@@ -334,24 +334,11 @@ bfad_im_reset_stats(struct Scsi_Host *shost) 
	return;

	return;

}

}





/*

 * FC transport template entry, get rport loss timeout.

 */

static void

bfad_im_get_rport_loss_tmo(struct fc_rport *rport)

{

	struct bfad_itnim_data_s *itnim_data = rport->dd_data;

	struct bfad_itnim_s   *itnim = itnim_data->itnim;

	struct bfad_s         *bfad = itnim->im->bfad;

	unsigned long   flags;



	spin_lock_irqsave(&bfad->bfad_lock, flags);

	rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);

	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

}



/*

/*

 * FC transport template entry, set rport loss timeout.

 * FC transport template entry, set rport loss timeout.

 * Update dev_loss_tmo based on the value pushed down by the stack

 * In case it is lesser than path_tov of driver, set it to path_tov + 1

 * to ensure that the driver times out before the application

 */

 */

static void

static void

bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)

bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
@@ -359,15 +346,11 @@ bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout) 
	struct bfad_itnim_data_s *itnim_data = rport->dd_data;

	struct bfad_itnim_data_s *itnim_data = rport->dd_data;

	struct bfad_itnim_s   *itnim = itnim_data->itnim;

	struct bfad_itnim_s   *itnim = itnim_data->itnim;

	struct bfad_s         *bfad = itnim->im->bfad;

	struct bfad_s         *bfad = itnim->im->bfad;

	unsigned long   flags;

	uint16_t path_tov = bfa_fcpim_path_tov_get(&bfad->bfa);



	if (timeout > 0) {

		spin_lock_irqsave(&bfad->bfad_lock, flags);

		bfa_fcpim_path_tov_set(&bfad->bfa, timeout);

		rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);

		spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	}





	rport->dev_loss_tmo = timeout;

	if (timeout < path_tov)

		rport->dev_loss_tmo = path_tov + 1;

}

}





static int

static int
@@ -665,7 +648,6 @@ struct fc_function_template bfad_im_fc_function_template = { 
	.show_rport_maxframe_size = 1,

	.show_rport_maxframe_size = 1,

	.show_rport_supported_classes = 1,

	.show_rport_supported_classes = 1,

	.show_rport_dev_loss_tmo = 1,

	.show_rport_dev_loss_tmo = 1,

	.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,

	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,

	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,

	.issue_fc_host_lip = bfad_im_issue_fc_host_lip,

	.issue_fc_host_lip = bfad_im_issue_fc_host_lip,

	.vport_create = bfad_im_vport_create,

	.vport_create = bfad_im_vport_create,
@@ -723,7 +705,6 @@ struct fc_function_template bfad_im_vport_fc_function_template = { 
	.show_rport_maxframe_size = 1,

	.show_rport_maxframe_size = 1,

	.show_rport_supported_classes = 1,

	.show_rport_supported_classes = 1,

	.show_rport_dev_loss_tmo = 1,

	.show_rport_dev_loss_tmo = 1,

	.get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,

	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,

	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,

};

};