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SUNRPC: move the pool_map definitions (back) into svc.c

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[ Upstream commit cf0e124e0a489944d08fcc3c694d2b234d2cc658 ]

These definitions are not used outside of svc.c, and there is no
evidence that they ever have been.  So move them into svc.c
and make the declarations 'static'.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
NeilBrown 2021-11-29 15:51:25 +11:00 • committed by Ksawlii
parent a747f45557
commit 188b003050
2 changed files with 25 additions and 31 deletions
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25
include/linux/sunrpc/svc.h
View file

@ -497,29 +497,6 @@ struct svc_procedure {
const char * pc_name; /* for display */
};
/*
* Mode for mapping cpus to pools.
*/
enum {
SVC_POOL_AUTO = -1, /* choose one of the others */
SVC_POOL_GLOBAL, /* no mapping, just a single global pool
* (legacy & UP mode) */
SVC_POOL_PERCPU, /* one pool per cpu */
SVC_POOL_PERNODE /* one pool per numa node */
};
struct svc_pool_map {
int count; /* How many svc_servs use us */
int mode; /* Note: int not enum to avoid
* warnings about "enumeration value
* not handled in switch" */
unsigned int npools;
unsigned int *pool_to; /* maps pool id to cpu or node */
unsigned int *to_pool; /* maps cpu or node to pool id */
};
extern struct svc_pool_map svc_pool_map;
/*
* Function prototypes.
*/
@ -536,8 +513,6 @@ void svc_rqst_replace_page(struct svc_rqst *rqstp,
struct page *page);
void svc_rqst_free(struct svc_rqst *);
void svc_exit_thread(struct svc_rqst *);
unsigned int svc_pool_map_get(void);
void svc_pool_map_put(void);
struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int,
const struct svc_serv_ops *);
int svc_set_num_threads(struct svc_serv *, struct svc_pool *, int);

31
net/sunrpc/svc.c
View file

@ -39,14 +39,35 @@ static void svc_unregister(const struct svc_serv *serv, struct net *net);
#define SVC_POOL_DEFAULT SVC_POOL_GLOBAL
/*
* Mode for mapping cpus to pools.
*/
enum {
SVC_POOL_AUTO = -1, /* choose one of the others */
SVC_POOL_GLOBAL, /* no mapping, just a single global pool
* (legacy & UP mode) */
SVC_POOL_PERCPU, /* one pool per cpu */
SVC_POOL_PERNODE /* one pool per numa node */
};
/*
* Structure for mapping cpus to pools and vice versa.
* Setup once during sunrpc initialisation.
*/
struct svc_pool_map svc_pool_map = {
struct svc_pool_map {
int count; /* How many svc_servs use us */
int mode; /* Note: int not enum to avoid
* warnings about "enumeration value
* not handled in switch" */
unsigned int npools;
unsigned int *pool_to; /* maps pool id to cpu or node */
unsigned int *to_pool; /* maps cpu or node to pool id */
};
static struct svc_pool_map svc_pool_map = {
.mode = SVC_POOL_DEFAULT
};
EXPORT_SYMBOL_GPL(svc_pool_map);
static DEFINE_MUTEX(svc_pool_map_mutex);/* protects svc_pool_map.count only */
@ -220,7 +241,7 @@ svc_pool_map_init_pernode(struct svc_pool_map *m)
* vice versa). Initialise the map if we're the first user.
* Returns the number of pools.
*/
unsigned int
static unsigned int
svc_pool_map_get(void)
{
struct svc_pool_map *m = &svc_pool_map;
@ -255,7 +276,6 @@ svc_pool_map_get(void)
mutex_unlock(&svc_pool_map_mutex);
return m->npools;
}
EXPORT_SYMBOL_GPL(svc_pool_map_get);
/*
* Drop a reference to the global map of cpus to pools.
@ -264,7 +284,7 @@ EXPORT_SYMBOL_GPL(svc_pool_map_get);
* mode using the pool_mode module option without
* rebooting or re-loading sunrpc.ko.
*/
void
static void
svc_pool_map_put(void)
{
struct svc_pool_map *m = &svc_pool_map;
@ -281,7 +301,6 @@ svc_pool_map_put(void)
mutex_unlock(&svc_pool_map_mutex);
}
EXPORT_SYMBOL_GPL(svc_pool_map_put);
static int svc_pool_map_get_node(unsigned int pidx)
{