RE: [2.6 patch] SCSI ips: remove inlines

From: IpsLinux
Date: Mon Jul 12 2004 - 08:42:05 EST


Adrian,

FYI ... Your ips patch has been applied to the current development code
stream at Adaptec.
Thanks for the heads-up.

IpsLinux Support



-----Original Message-----
From: Adrian Bunk [mailto:bunk@xxxxxxxxx]
Sent: Friday, July 09, 2004 8:24 PM
To: IpsLinux
Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx
Subject: [2.6 patch] SCSI ips: remove inlines

Trying to compile drivers/scsi/ips.c with gcc 3.4 and
# define inline __inline__ __attribute__((always_inline))
results in the following error:

<-- snip -->

...
CC drivers/scsi/ips.o
drivers/scsi/ips.c: In function `ips_eh_abort':
drivers/scsi/ips.c:490: sorry, unimplemented: inlining failed in call to
'ips_removeq_copp': function body not available
drivers/scsi/ips.c:843: sorry, unimplemented: called from here
drivers/scsi/ips.c:488: sorry, unimplemented: inlining failed in call to
'ips_removeq_wait': function body not available
drivers/scsi/ips.c:847: sorry, unimplemented: called from here
make[2]: *** [drivers/scsi/ips.o] Error 1

<-- snip -->


The patch below removes all inlines from ips.c. As a side effect, this
showed that 3 formerly inlined functions are completely unused which are
also removed in the patch.

An alternative approach to removing the inlines would be to keep all
inlines that are _really_ required and reorder the functions in the file
accordingly.


diffstat output:
drivers/scsi/ips.c | 130 ++++++---------------------------------------
1 files changed, 19 insertions(+), 111 deletions(-)


Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.7-mm6-full-gcc3.4/drivers/scsi/ips.c.old 2004-07-09
01:12:30.000000000 +0200
+++ linux-2.6.7-mm6-full-gcc3.4/drivers/scsi/ips.c 2004-07-09
01:24:02.000000000 +0200
@@ -474,21 +474,17 @@
static uint32_t ips_statupd_copperhead_memio(ips_ha_t *); static
uint32_t ips_statupd_morpheus(ips_ha_t *); static ips_scb_t
*ips_getscb(ips_ha_t *); -static inline void
ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *); -static inline void
ips_putq_scb_tail(ips_scb_queue_t *, ips_scb_t *); -static inline void
ips_putq_wait_head(ips_wait_queue_t *, Scsi_Cmnd *); -static inline void
ips_putq_wait_tail(ips_wait_queue_t *, Scsi_Cmnd *); -static inline void
ips_putq_copp_head(ips_copp_queue_t *,
+static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *); static
+void ips_putq_wait_tail(ips_wait_queue_t *, Scsi_Cmnd *); static void
+ips_putq_copp_tail(ips_copp_queue_t *,
ips_copp_wait_item_t *);
-static inline void ips_putq_copp_tail(ips_copp_queue_t *,
- ips_copp_wait_item_t *);
-static inline ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
-static inline ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t
*); -static inline Scsi_Cmnd *ips_removeq_wait_head(ips_wait_queue_t *);
-static inline Scsi_Cmnd *ips_removeq_wait(ips_wait_queue_t *, Scsi_Cmnd
*); -static inline ips_copp_wait_item_t
*ips_removeq_copp(ips_copp_queue_t *,
+static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *); static
+ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *); static
+Scsi_Cmnd *ips_removeq_wait_head(ips_wait_queue_t *); static Scsi_Cmnd
+*ips_removeq_wait(ips_wait_queue_t *, Scsi_Cmnd *); static
+ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,

ips_copp_wait_item_t *);
-static inline ips_copp_wait_item_t
*ips_removeq_copp_head(ips_copp_queue_t *);
+static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);

static int ips_is_passthru(Scsi_Cmnd *); static int
ips_make_passthru(ips_ha_t *, Scsi_Cmnd *, ips_scb_t *, int); @@ -1885,7
+1881,7 @@
/* Fill in a single scb sg_list element from an address
*/
/* return a -1 if a breakup occurred
*/

/***********************************************************************
*****/
-static inline int
+static int
ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
ips_scb_t * scb, int indx, unsigned int e_len) {
@@ -2950,7 +2946,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline void
+static void
ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item) {
METHOD_TRACE("ips_putq_scb_head", 1);
@@ -2969,38 +2965,6 @@


/***********************************************************************
*****/
/*
*/
-/* Routine Name: ips_putq_scb_tail
*/
-/*
*/
-/* Routine Description:
*/
-/*
*/
-/* Add an item to the tail of the queue
*/
-/*
*/
-/* ASSUMED to be called from within the HA lock
*/
-/*
*/
-/**********************************************************************
******/
-static inline void
-ips_putq_scb_tail(ips_scb_queue_t * queue, ips_scb_t * item) -{
- METHOD_TRACE("ips_putq_scb_tail", 1);
-
- if (!item)
- return;
-
- item->q_next = NULL;
-
- if (queue->tail)
- queue->tail->q_next = item;
-
- queue->tail = item;
-
- if (!queue->head)
- queue->head = item;
-
- queue->count++;
-}
-
-/**********************************************************************
******/
-/*
*/
/* Routine Name: ips_removeq_scb_head
*/
/*
*/
/* Routine Description:
*/
@@ -3010,7 +2974,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline ips_scb_t *
+static ips_scb_t *
ips_removeq_scb_head(ips_scb_queue_t * queue) {
ips_scb_t *item;
@@ -3045,7 +3009,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline ips_scb_t *
+static ips_scb_t *
ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item) {
ips_scb_t *p;
@@ -3082,34 +3046,6 @@


/***********************************************************************
*****/
/*
*/
-/* Routine Name: ips_putq_wait_head
*/
-/*
*/
-/* Routine Description:
*/
-/*
*/
-/* Add an item to the head of the queue
*/
-/*
*/
-/* ASSUMED to be called from within the HA lock
*/
-/*
*/
-/**********************************************************************
******/
-static inline void
-ips_putq_wait_head(ips_wait_queue_t * queue, Scsi_Cmnd * item) -{
- METHOD_TRACE("ips_putq_wait_head", 1);
-
- if (!item)
- return;
-
- item->host_scribble = (char *) queue->head;
- queue->head = item;
-
- if (!queue->tail)
- queue->tail = item;
-
- queue->count++;
-}
-
-/**********************************************************************
******/
-/*
*/
/* Routine Name: ips_putq_wait_tail
*/
/*
*/
/* Routine Description:
*/
@@ -3119,7 +3055,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline void
+static void
ips_putq_wait_tail(ips_wait_queue_t * queue, Scsi_Cmnd * item) {
METHOD_TRACE("ips_putq_wait_tail", 1); @@ -3151,7 +3087,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline Scsi_Cmnd *
+static Scsi_Cmnd *
ips_removeq_wait_head(ips_wait_queue_t * queue) {
Scsi_Cmnd *item;
@@ -3186,7 +3122,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline Scsi_Cmnd *
+static Scsi_Cmnd *
ips_removeq_wait(ips_wait_queue_t * queue, Scsi_Cmnd * item) {
Scsi_Cmnd *p;
@@ -3223,34 +3159,6 @@


/***********************************************************************
*****/
/*
*/
-/* Routine Name: ips_putq_copp_head
*/
-/*
*/
-/* Routine Description:
*/
-/*
*/
-/* Add an item to the head of the queue
*/
-/*
*/
-/* ASSUMED to be called from within the HA lock
*/
-/*
*/
-/**********************************************************************
******/
-static inline void
-ips_putq_copp_head(ips_copp_queue_t * queue, ips_copp_wait_item_t *
item) -{
- METHOD_TRACE("ips_putq_copp_head", 1);
-
- if (!item)
- return;
-
- item->next = queue->head;
- queue->head = item;
-
- if (!queue->tail)
- queue->tail = item;
-
- queue->count++;
-}
-
-/**********************************************************************
******/
-/*
*/
/* Routine Name: ips_putq_copp_tail
*/
/*
*/
/* Routine Description:
*/
@@ -3260,7 +3168,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline void
+static void
ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t *
item) {
METHOD_TRACE("ips_putq_copp_tail", 1); @@ -3292,7 +3200,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline ips_copp_wait_item_t *
+static ips_copp_wait_item_t *
ips_removeq_copp_head(ips_copp_queue_t * queue) {
ips_copp_wait_item_t *item;
@@ -3327,7 +3235,7 @@
/* ASSUMED to be called from within the HA lock
*/
/*
*/

/***********************************************************************
*****/
-static inline ips_copp_wait_item_t *
+static ips_copp_wait_item_t *
ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
{
ips_copp_wait_item_t *p;

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