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Commit 662d91a2 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher Committed by Philipp Reisner
Browse files

drbd: Get rid of unnecessary macros (1) 



This macro doesn't save much code, but makes things a lot harder to read.

Signed-off-by: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarLars Ellenberg <lars.ellenberg@linbit.com>
parent 2f58dcfc

drivers/block/drbd/drbd_main.c

+40 −31
Original line number Diff line number Diff line
@@ -674,21 +674,6 @@ void print_st_err(struct drbd_conf *mdev, 
}





#define drbd_peer_str drbd_role_str

#define drbd_pdsk_str drbd_disk_str



#define drbd_susp_str(A)     ((A) ? "1" : "0")

#define drbd_aftr_isp_str(A) ((A) ? "1" : "0")

#define drbd_peer_isp_str(A) ((A) ? "1" : "0")

#define drbd_user_isp_str(A) ((A) ? "1" : "0")



#define PSC(A) \

	({ if (ns.A != os.A) { \

		pbp += sprintf(pbp, #A "( %s -> %s ) ", \

			      drbd_##A##_str(os.A), \

			      drbd_##A##_str(ns.A)); \

	} })



/**

 * is_valid_state() - Returns an SS_ error code if ns is not valid

 * @mdev:	DRBD device.
@@ -1087,18 +1072,42 @@ int __drbd_set_state(struct drbd_conf *mdev, 
	char *pbp, pb[300];

	pbp = pb;

	*pbp = 0;

		PSC(role);

		PSC(peer);

		PSC(conn);

		PSC(disk);

		PSC(pdsk);

	if (ns.role != os.role)

		pbp += sprintf(pbp, "role( %s -> %s ) ",

			       drbd_role_str(os.role),

			       drbd_role_str(ns.role));

	if (ns.peer != os.peer)

		pbp += sprintf(pbp, "peer( %s -> %s ) ",

			       drbd_role_str(os.peer),

			       drbd_role_str(ns.peer));

	if (ns.conn != os.conn)

		pbp += sprintf(pbp, "conn( %s -> %s ) ",

			       drbd_conn_str(os.conn),

			       drbd_conn_str(ns.conn));

	if (ns.disk != os.disk)

		pbp += sprintf(pbp, "disk( %s -> %s ) ",

			       drbd_disk_str(os.disk),

			       drbd_disk_str(ns.disk));

	if (ns.pdsk != os.pdsk)

		pbp += sprintf(pbp, "pdsk( %s -> %s ) ",

			       drbd_disk_str(os.pdsk),

			       drbd_disk_str(ns.pdsk));

	if (is_susp(ns) != is_susp(os))

			pbp += sprintf(pbp, "susp( %s -> %s ) ",

				       drbd_susp_str(is_susp(os)),

				       drbd_susp_str(is_susp(ns)));

		PSC(aftr_isp);

		PSC(peer_isp);

		PSC(user_isp);

		pbp += sprintf(pbp, "susp( %d -> %d ) ",

			       is_susp(os),

			       is_susp(ns));

	if (ns.aftr_isp != os.aftr_isp)

		pbp += sprintf(pbp, "aftr_isp( %d -> %d ) ",

			       os.aftr_isp,

			       ns.aftr_isp);

	if (ns.peer_isp != os.peer_isp)

		pbp += sprintf(pbp, "peer_isp( %d -> %d ) ",

			       os.peer_isp,

			       ns.peer_isp);

	if (ns.user_isp != os.user_isp)

		pbp += sprintf(pbp, "user_isp( %d -> %d ) ",

			       os.user_isp,

			       ns.user_isp);

	dev_info(DEV, "%s\n", pb);

	}