Constify most stevedore pointers.

bin/varnishd/cache/cache.h

@@ -382,7 +382,7 @@ struct lru {
 struct storeobj {
 	unsigned		magic;
 #define STOREOBJ_MAGIC		0x6faed850
-	struct stevedore	*stevedore;
+	const struct stevedore	*stevedore;
 	void			*priv;
 	uintptr_t		priv2;
 };
@@ -1092,7 +1092,7 @@ void RFC2616_Vary_AE(struct http *hp);
 /* stevedore.c */
 int STV_NewObject(struct objcore *, struct worker *,
     const char *hint, unsigned len);
-struct storage *STV_alloc(struct stevedore *, size_t size);
+struct storage *STV_alloc(const struct stevedore *, size_t size);
 void STV_trim(struct storage *st, size_t size, int move_ok);
 void STV_free(struct storage *st);
 void STV_open(void);

bin/varnishd/cache/cache_obj.c

@@ -214,7 +214,7 @@ ObjIterEnd(struct objcore *oc, void **oix)
  */
 
 static struct storage *
-objallocwithnuke(struct stevedore *stv, struct worker *wrk, size_t size)
+objallocwithnuke(const struct stevedore *stv, struct worker *wrk, size_t size)
 {
 	struct storage *st = NULL;
 	unsigned fail;

bin/varnishd/storage/stevedore.c

@@ -154,7 +154,7 @@ stv_pick_stevedore(struct vsl_log *vsl, const char **hint)
 /*-------------------------------------------------------------------*/
 
 struct storage *
-STV_alloc(struct stevedore *stv, size_t size)
+STV_alloc(const struct stevedore *stv, size_t size)
 {
 	struct storage *st;
 
@@ -190,7 +190,7 @@ STV_alloc(struct stevedore *stv, size_t size)
  */
 
 struct object *
-STV_MkObject(struct stevedore *stv, struct objcore *oc, void *ptr)
+STV_MkObject(const struct stevedore *stv, struct objcore *oc, void *ptr)
 {
 	struct object *o;
 
@@ -218,7 +218,8 @@ STV_MkObject(struct stevedore *stv, struct objcore *oc, void *ptr)
  */
 
 int
-stv_default_allocobj(struct stevedore *stv, struct objcore *oc, unsigned ltot)
+stv_default_allocobj(const struct stevedore *stv, struct objcore *oc,
+    unsigned ltot)
 {
 	struct object *o;
 	struct storage *st;

bin/varnishd/storage/storage.h

@@ -48,7 +48,7 @@ struct storage {
 
 
 	VTAILQ_ENTRY(storage)	list;
-	struct stevedore	*stevedore;
+	const struct stevedore	*stevedore;
 	void			*priv;
 
 	unsigned char		*ptr;
@@ -132,10 +132,10 @@ struct storeobj_methods {
 
 typedef void storage_init_f(struct stevedore *, int ac, char * const *av);
 typedef void storage_open_f(const struct stevedore *);
-typedef struct storage *storage_alloc_f(struct stevedore *, size_t size);
+typedef struct storage *storage_alloc_f(const struct stevedore *, size_t size);
 typedef void storage_trim_f(struct storage *, size_t size, int move_ok);
 typedef void storage_free_f(struct storage *);
-typedef int storage_allocobj_f(struct stevedore *, struct objcore *,
+typedef int storage_allocobj_f(const struct stevedore *, struct objcore *,
     unsigned ltot);
 typedef void storage_close_f(const struct stevedore *);
 typedef void storage_signal_close_f(const struct stevedore *);
@@ -196,7 +196,8 @@ extern struct stevedore *stv_transient;
 int STV_GetFile(const char *fn, int *fdp, const char **fnp, const char *ctx);
 uintmax_t STV_FileSize(int fd, const char *size, unsigned *granularity,
     const char *ctx);
-struct object *STV_MkObject(struct stevedore *, struct objcore *, void *ptr);
+struct object *STV_MkObject(const struct stevedore *, struct objcore *,
+    void *ptr);
 
 struct lru *LRU_Alloc(void);
 void LRU_Free(struct lru *lru);

bin/varnishd/storage/storage_file.c

@@ -438,7 +438,7 @@ smf_open(const struct stevedore *st)
 /*--------------------------------------------------------------------*/
 
 static struct storage *
-smf_alloc(struct stevedore *st, size_t size)
+smf_alloc(const struct stevedore *st, size_t size)
 {
 	struct smf *smf;
 	struct smf_sc *sc;

bin/varnishd/storage/storage_malloc.c

@@ -57,7 +57,7 @@ struct sma {
 };
 
 static struct storage *
-sma_alloc(struct stevedore *st, size_t size)
+sma_alloc(const struct stevedore *st, size_t size)
 {
 	struct sma_sc *sma_sc;
 	struct sma *sma = NULL;

bin/varnishd/storage/storage_persistent.c

@@ -423,7 +423,7 @@ smp_close(const struct stevedore *st)
  */
 
 static struct storage *
-smp_allocx(struct stevedore *st, size_t min_size, size_t max_size,
+smp_allocx(const struct stevedore *st, size_t min_size, size_t max_size,
     struct smp_object **so, unsigned *idx, struct smp_seg **ssg)
 {
 	struct smp_sc *sc;
@@ -504,7 +504,7 @@ smp_allocx(struct stevedore *st, size_t min_size, size_t max_size,
  */
 
 static int
-smp_allocobj(struct stevedore *stv, struct objcore *oc, unsigned ltot)
+smp_allocobj(const struct stevedore *stv, struct objcore *oc, unsigned ltot)
 {
 	struct object *o;
 	struct storage *st;
@@ -557,7 +557,7 @@ smp_allocobj(struct stevedore *stv, struct objcore *oc, unsigned ltot)
  */
 
 static struct storage *
-smp_alloc(struct stevedore *st, size_t size)
+smp_alloc(const struct stevedore *st, size_t size)
 {
 
 	return (smp_allocx(st,

bin/varnishd/storage/storage_umem.c

@@ -51,7 +51,7 @@ struct smu {
 };
 
 static struct storage *
-smu_alloc(struct stevedore *st, size_t size)
+smu_alloc(const struct stevedore *st, size_t size)
 {
 	struct smu *smu;