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Date: Thu, 27 Oct 2022 00:43:20 +0200
From: наб <nabijaczleweli@...ijaczleweli.xyz>
To: unlisted-recipients:; (no To-header on input)
Cc: Jonathan Corbet <corbet@....net>,
Federico Vaga <federico.vaga@...a.pv.it>,
Alex Shi <alexs@...nel.org>,
Yanteng Si <siyanteng@...ngson.cn>,
Hu Haowen <src.res@...il.cn>,
Russell King <linux@...linux.org.uk>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-doc-tw-discuss@...ts.sourceforge.net,
linux-arm-kernel@...ts.infradead.org, linux-scsi@...r.kernel.org
Subject: [PATCH 10/15] scsi: acorn: remove QUEUE_MAGIC_{FREE,USED}
We have largely moved away from this approach,
and we have better debugging instrumentation nowadays: kill it
Ref: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@kroah.com/
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@...ijaczleweli.xyz>
---
Documentation/process/magic-number.rst | 2 --
.../it_IT/process/magic-number.rst | 2 --
.../zh_CN/process/magic-number.rst | 2 --
.../zh_TW/process/magic-number.rst | 2 --
drivers/scsi/arm/queue.c | 21 -------------------
5 files changed, 29 deletions(-)
diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst
index 77a96a79c7e8..c1c68c713cbc 100644
--- a/Documentation/process/magic-number.rst
+++ b/Documentation/process/magic-number.rst
@@ -72,6 +72,4 @@ FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/
SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h``
HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
CCB_MAGIC 0xf2691ad2 ccb ``drivers/scsi/ncr53c8xx.c``
-QUEUE_MAGIC_FREE 0xf7e1c9a3 queue_entry ``drivers/scsi/arm/queue.c``
-QUEUE_MAGIC_USED 0xf7e1cc33 queue_entry ``drivers/scsi/arm/queue.c``
===================== ================ ======================== ==========================================
diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst
index ef509265a3df..5b609ca78a14 100644
--- a/Documentation/translations/it_IT/process/magic-number.rst
+++ b/Documentation/translations/it_IT/process/magic-number.rst
@@ -78,6 +78,4 @@ FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/
SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h``
HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
CCB_MAGIC 0xf2691ad2 ccb ``drivers/scsi/ncr53c8xx.c``
-QUEUE_MAGIC_FREE 0xf7e1c9a3 queue_entry ``drivers/scsi/arm/queue.c``
-QUEUE_MAGIC_USED 0xf7e1cc33 queue_entry ``drivers/scsi/arm/queue.c``
===================== ================ ======================== ==========================================
diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst
index 6437c408dd67..ab4d4e32b61f 100644
--- a/Documentation/translations/zh_CN/process/magic-number.rst
+++ b/Documentation/translations/zh_CN/process/magic-number.rst
@@ -61,6 +61,4 @@ FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/
SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h``
HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
CCB_MAGIC 0xf2691ad2 ccb ``drivers/scsi/ncr53c8xx.c``
-QUEUE_MAGIC_FREE 0xf7e1c9a3 queue_entry ``drivers/scsi/arm/queue.c``
-QUEUE_MAGIC_USED 0xf7e1cc33 queue_entry ``drivers/scsi/arm/queue.c``
===================== ================ ======================== ==========================================
diff --git a/Documentation/translations/zh_TW/process/magic-number.rst b/Documentation/translations/zh_TW/process/magic-number.rst
index 453cc205e6c3..a6131d978189 100644
--- a/Documentation/translations/zh_TW/process/magic-number.rst
+++ b/Documentation/translations/zh_TW/process/magic-number.rst
@@ -64,6 +64,4 @@ FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/
SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h``
HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h``
CCB_MAGIC 0xf2691ad2 ccb ``drivers/scsi/ncr53c8xx.c``
-QUEUE_MAGIC_FREE 0xf7e1c9a3 queue_entry ``drivers/scsi/arm/queue.c``
-QUEUE_MAGIC_USED 0xf7e1cc33 queue_entry ``drivers/scsi/arm/queue.c``
===================== ================ ======================== ==========================================
diff --git a/drivers/scsi/arm/queue.c b/drivers/scsi/arm/queue.c
index 978df23ce188..fe7d814a73a9 100644
--- a/drivers/scsi/arm/queue.c
+++ b/drivers/scsi/arm/queue.c
@@ -26,27 +26,11 @@
#include <scsi/scsi_eh.h>
#include <scsi/scsi_tcq.h>
-#define DEBUG
-
typedef struct queue_entry {
struct list_head list;
struct scsi_cmnd *SCpnt;
-#ifdef DEBUG
- unsigned long magic;
-#endif
} QE_t;
-#ifdef DEBUG
-#define QUEUE_MAGIC_FREE 0xf7e1c9a3
-#define QUEUE_MAGIC_USED 0xf7e1cc33
-
-#define SET_MAGIC(q,m) ((q)->magic = (m))
-#define BAD_MAGIC(q,m) ((q)->magic != (m))
-#else
-#define SET_MAGIC(q,m) do { } while (0)
-#define BAD_MAGIC(q,m) (0)
-#endif
-
#include "queue.h"
#define NR_QE 32
@@ -74,7 +58,6 @@ int queue_initialise (Queue_t *queue)
queue->alloc = q = kmalloc_array(nqueues, sizeof(QE_t), GFP_KERNEL);
if (q) {
for (; nqueues; q++, nqueues--) {
- SET_MAGIC(q, QUEUE_MAGIC_FREE);
q->SCpnt = NULL;
list_add(&q->list, &queue->free);
}
@@ -119,9 +102,7 @@ int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head)
list_del(l);
q = list_entry(l, QE_t, list);
- BUG_ON(BAD_MAGIC(q, QUEUE_MAGIC_FREE));
- SET_MAGIC(q, QUEUE_MAGIC_USED);
q->SCpnt = SCpnt;
if (head)
@@ -144,9 +125,7 @@ static struct scsi_cmnd *__queue_remove(Queue_t *queue, struct list_head *ent)
*/
list_del(ent);
q = list_entry(ent, QE_t, list);
- BUG_ON(BAD_MAGIC(q, QUEUE_MAGIC_USED));
- SET_MAGIC(q, QUEUE_MAGIC_FREE);
list_add(ent, &queue->free);
return q->SCpnt;
--
2.30.2
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