* Re: [PATCH][next] sctp: make array sctp_sched_ops static
@ 2017-10-11 10:44 ` Joe Perches
0 siblings, 0 replies; 11+ messages in thread
From: Joe Perches @ 2017-10-11 10:44 UTC (permalink / raw)
To: Colin King, Vlad Yasevich, Neil Horman, David S . Miller,
linux-sctp, netdev
Cc: kernel-janitors, linux-kernel
On Wed, 2017-10-11 at 11:17 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> The array sctp_sched_ops is local to the source and
> does not need to be in global scope, so make it static.
>
> Cleans up sparse warning:
> symbol 'sctp_sched_ops' was not declared. Should it be static?
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> net/sctp/stream_sched.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
> index 03513a9fa110..0b83ec51e43b 100644
> --- a/net/sctp/stream_sched.c
> +++ b/net/sctp/stream_sched.c
> @@ -124,7 +124,7 @@ static struct sctp_sched_ops sctp_sched_fcfs = {
> extern struct sctp_sched_ops sctp_sched_prio;
> extern struct sctp_sched_ops sctp_sched_rr;
>
> -struct sctp_sched_ops *sctp_sched_ops[] = {
> +static struct sctp_sched_ops *sctp_sched_ops[] = {
> &sctp_sched_fcfs,
> &sctp_sched_prio,
> &sctp_sched_rr,
Perhaps these should also be const to move more data to text
---
include/net/sctp/stream_sched.h | 3 ++-
include/net/sctp/structs.h | 2 +-
net/sctp/stream.c | 6 +++---
net/sctp/stream_sched.c | 17 +++++++++--------
4 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/include/net/sctp/stream_sched.h b/include/net/sctp/stream_sched.h
index c676550a4c7d..431235c7587a 100644
--- a/include/net/sctp/stream_sched.h
+++ b/include/net/sctp/stream_sched.h
@@ -67,6 +67,7 @@ void sctp_sched_dequeue_done(struct sctp_outq *q, struct sctp_chunk *ch);
void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch);
int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp);
-struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream);
+const struct sctp_sched_ops *
+sctp_sched_ops_from_stream(struct sctp_stream *stream);
#endif /* __sctp_stream_sched_h__ */
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 6168e3449131..032ec5618e8a 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1028,7 +1028,7 @@ struct sctp_outq {
struct list_head out_chunk_list;
/* Stream scheduler being used */
- struct sctp_sched_ops *sched;
+ const struct sctp_sched_ops *sched;
unsigned int out_qlen; /* Total length of queued data chunks. */
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 5ea33a2c453b..62678c2229e4 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -140,7 +140,7 @@ static int sctp_stream_alloc_in(struct sctp_stream *stream, __u16 incnt,
int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
gfp_t gfp)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
int i, ret = 0;
gfp |= __GFP_NOWARN;
@@ -201,7 +201,7 @@ int sctp_stream_init_ext(struct sctp_stream *stream, __u16 sid)
void sctp_stream_free(struct sctp_stream *stream)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
int i;
sched->free(stream);
@@ -224,7 +224,7 @@ void sctp_stream_clear(struct sctp_stream *stream)
void sctp_stream_update(struct sctp_stream *stream, struct sctp_stream *new)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
sched->unsched_all(stream);
sctp_stream_outq_migrate(stream, new, new->outcnt);
diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
index 03513a9fa110..642542be57ec 100644
--- a/net/sctp/stream_sched.c
+++ b/net/sctp/stream_sched.c
@@ -106,7 +106,7 @@ static void sctp_sched_fcfs_unsched_all(struct sctp_stream *stream)
{
}
-static struct sctp_sched_ops sctp_sched_fcfs = {
+static const struct sctp_sched_ops sctp_sched_fcfs = {
.set = sctp_sched_fcfs_set,
.get = sctp_sched_fcfs_get,
.init = sctp_sched_fcfs_init,
@@ -121,10 +121,10 @@ static struct sctp_sched_ops sctp_sched_fcfs = {
/* API to other parts of the stack */
-extern struct sctp_sched_ops sctp_sched_prio;
-extern struct sctp_sched_ops sctp_sched_rr;
+extern const struct sctp_sched_ops sctp_sched_prio;
+extern const struct sctp_sched_ops sctp_sched_rr;
-struct sctp_sched_ops *sctp_sched_ops[] = {
+static const struct sctp_sched_ops *sctp_sched_ops[] = {
&sctp_sched_fcfs,
&sctp_sched_prio,
&sctp_sched_rr,
@@ -133,8 +133,8 @@ struct sctp_sched_ops *sctp_sched_ops[] = {
int sctp_sched_set_sched(struct sctp_association *asoc,
enum sctp_sched_type sched)
{
- struct sctp_sched_ops *n = sctp_sched_ops[sched];
- struct sctp_sched_ops *old = asoc->outqueue.sched;
+ const struct sctp_sched_ops *n = sctp_sched_ops[sched];
+ const struct sctp_sched_ops *old = asoc->outqueue.sched;
struct sctp_datamsg *msg = NULL;
struct sctp_chunk *ch;
int i, ret = 0;
@@ -259,13 +259,14 @@ void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch)
int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
INIT_LIST_HEAD(&stream->out[sid].ext->outq);
return sched->init_sid(stream, sid, gfp);
}
-struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream)
+const struct sctp_sched_ops *
+sctp_sched_ops_from_stream(struct sctp_stream *stream)
{
struct sctp_association *asoc;
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^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH][next] sctp: make array sctp_sched_ops static
@ 2017-10-11 10:44 ` Joe Perches
0 siblings, 0 replies; 11+ messages in thread
From: Joe Perches @ 2017-10-11 10:44 UTC (permalink / raw)
To: Colin King, Vlad Yasevich, Neil Horman, David S . Miller,
linux-sctp, netdev
Cc: kernel-janitors, linux-kernel
On Wed, 2017-10-11 at 11:17 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> The array sctp_sched_ops is local to the source and
> does not need to be in global scope, so make it static.
>
> Cleans up sparse warning:
> symbol 'sctp_sched_ops' was not declared. Should it be static?
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> net/sctp/stream_sched.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
> index 03513a9fa110..0b83ec51e43b 100644
> --- a/net/sctp/stream_sched.c
> +++ b/net/sctp/stream_sched.c
> @@ -124,7 +124,7 @@ static struct sctp_sched_ops sctp_sched_fcfs = {
> extern struct sctp_sched_ops sctp_sched_prio;
> extern struct sctp_sched_ops sctp_sched_rr;
>
> -struct sctp_sched_ops *sctp_sched_ops[] = {
> +static struct sctp_sched_ops *sctp_sched_ops[] = {
> &sctp_sched_fcfs,
> &sctp_sched_prio,
> &sctp_sched_rr,
Perhaps these should also be const to move more data to text
---
include/net/sctp/stream_sched.h | 3 ++-
include/net/sctp/structs.h | 2 +-
net/sctp/stream.c | 6 +++---
net/sctp/stream_sched.c | 17 +++++++++--------
4 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/include/net/sctp/stream_sched.h b/include/net/sctp/stream_sched.h
index c676550a4c7d..431235c7587a 100644
--- a/include/net/sctp/stream_sched.h
+++ b/include/net/sctp/stream_sched.h
@@ -67,6 +67,7 @@ void sctp_sched_dequeue_done(struct sctp_outq *q, struct sctp_chunk *ch);
void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch);
int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp);
-struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream);
+const struct sctp_sched_ops *
+sctp_sched_ops_from_stream(struct sctp_stream *stream);
#endif /* __sctp_stream_sched_h__ */
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 6168e3449131..032ec5618e8a 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1028,7 +1028,7 @@ struct sctp_outq {
struct list_head out_chunk_list;
/* Stream scheduler being used */
- struct sctp_sched_ops *sched;
+ const struct sctp_sched_ops *sched;
unsigned int out_qlen; /* Total length of queued data chunks. */
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 5ea33a2c453b..62678c2229e4 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -140,7 +140,7 @@ static int sctp_stream_alloc_in(struct sctp_stream *stream, __u16 incnt,
int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
gfp_t gfp)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
int i, ret = 0;
gfp |= __GFP_NOWARN;
@@ -201,7 +201,7 @@ int sctp_stream_init_ext(struct sctp_stream *stream, __u16 sid)
void sctp_stream_free(struct sctp_stream *stream)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
int i;
sched->free(stream);
@@ -224,7 +224,7 @@ void sctp_stream_clear(struct sctp_stream *stream)
void sctp_stream_update(struct sctp_stream *stream, struct sctp_stream *new)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
sched->unsched_all(stream);
sctp_stream_outq_migrate(stream, new, new->outcnt);
diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
index 03513a9fa110..642542be57ec 100644
--- a/net/sctp/stream_sched.c
+++ b/net/sctp/stream_sched.c
@@ -106,7 +106,7 @@ static void sctp_sched_fcfs_unsched_all(struct sctp_stream *stream)
{
}
-static struct sctp_sched_ops sctp_sched_fcfs = {
+static const struct sctp_sched_ops sctp_sched_fcfs = {
.set = sctp_sched_fcfs_set,
.get = sctp_sched_fcfs_get,
.init = sctp_sched_fcfs_init,
@@ -121,10 +121,10 @@ static struct sctp_sched_ops sctp_sched_fcfs = {
/* API to other parts of the stack */
-extern struct sctp_sched_ops sctp_sched_prio;
-extern struct sctp_sched_ops sctp_sched_rr;
+extern const struct sctp_sched_ops sctp_sched_prio;
+extern const struct sctp_sched_ops sctp_sched_rr;
-struct sctp_sched_ops *sctp_sched_ops[] = {
+static const struct sctp_sched_ops *sctp_sched_ops[] = {
&sctp_sched_fcfs,
&sctp_sched_prio,
&sctp_sched_rr,
@@ -133,8 +133,8 @@ struct sctp_sched_ops *sctp_sched_ops[] = {
int sctp_sched_set_sched(struct sctp_association *asoc,
enum sctp_sched_type sched)
{
- struct sctp_sched_ops *n = sctp_sched_ops[sched];
- struct sctp_sched_ops *old = asoc->outqueue.sched;
+ const struct sctp_sched_ops *n = sctp_sched_ops[sched];
+ const struct sctp_sched_ops *old = asoc->outqueue.sched;
struct sctp_datamsg *msg = NULL;
struct sctp_chunk *ch;
int i, ret = 0;
@@ -259,13 +259,14 @@ void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch)
int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp)
{
- struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ const struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
INIT_LIST_HEAD(&stream->out[sid].ext->outq);
return sched->init_sid(stream, sid, gfp);
}
-struct sctp_sched_ops *sctp_sched_ops_from_stream(struct sctp_stream *stream)
+const struct sctp_sched_ops *
+sctp_sched_ops_from_stream(struct sctp_stream *stream)
{
struct sctp_association *asoc;
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH][next] sctp: make array sctp_sched_ops static
2017-10-11 10:44 ` Joe Perches
@ 2017-10-11 21:24 ` Marcelo Ricardo Leitner
-1 siblings, 0 replies; 11+ messages in thread
From: Marcelo Ricardo Leitner @ 2017-10-11 21:24 UTC (permalink / raw)
To: Joe Perches
Cc: Colin King, Vlad Yasevich, Neil Horman, David S . Miller,
linux-sctp, netdev, kernel-janitors, linux-kernel
On Wed, Oct 11, 2017 at 03:44:50AM -0700, Joe Perches wrote:
> On Wed, 2017-10-11 at 11:17 +0100, Colin King wrote:
> > From: Colin Ian King <colin.king@canonical.com>
> >
> > The array sctp_sched_ops is local to the source and
> > does not need to be in global scope, so make it static.
> >
> > Cleans up sparse warning:
> > symbol 'sctp_sched_ops' was not declared. Should it be static?
> >
> > Signed-off-by: Colin Ian King <colin.king@canonical.com>
> > ---
> > net/sctp/stream_sched.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
> > index 03513a9fa110..0b83ec51e43b 100644
> > --- a/net/sctp/stream_sched.c
> > +++ b/net/sctp/stream_sched.c
> > @@ -124,7 +124,7 @@ static struct sctp_sched_ops sctp_sched_fcfs = {
> > extern struct sctp_sched_ops sctp_sched_prio;
> > extern struct sctp_sched_ops sctp_sched_rr;
> >
> > -struct sctp_sched_ops *sctp_sched_ops[] = {
> > +static struct sctp_sched_ops *sctp_sched_ops[] = {
> > &sctp_sched_fcfs,
> > &sctp_sched_prio,
> > &sctp_sched_rr,
>
> Perhaps these should also be const to move more data to text
Yes. There are no plans on supporting any sort of dynamic updates on
this, at least for now.
Marcelo
^ permalink raw reply [flat|nested] 11+ messages in thread* Re: [PATCH][next] sctp: make array sctp_sched_ops static
@ 2017-10-11 21:24 ` Marcelo Ricardo Leitner
0 siblings, 0 replies; 11+ messages in thread
From: Marcelo Ricardo Leitner @ 2017-10-11 21:24 UTC (permalink / raw)
To: Joe Perches
Cc: Colin King, Vlad Yasevich, Neil Horman, David S . Miller,
linux-sctp, netdev, kernel-janitors, linux-kernel
On Wed, Oct 11, 2017 at 03:44:50AM -0700, Joe Perches wrote:
> On Wed, 2017-10-11 at 11:17 +0100, Colin King wrote:
> > From: Colin Ian King <colin.king@canonical.com>
> >
> > The array sctp_sched_ops is local to the source and
> > does not need to be in global scope, so make it static.
> >
> > Cleans up sparse warning:
> > symbol 'sctp_sched_ops' was not declared. Should it be static?
> >
> > Signed-off-by: Colin Ian King <colin.king@canonical.com>
> > ---
> > net/sctp/stream_sched.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
> > index 03513a9fa110..0b83ec51e43b 100644
> > --- a/net/sctp/stream_sched.c
> > +++ b/net/sctp/stream_sched.c
> > @@ -124,7 +124,7 @@ static struct sctp_sched_ops sctp_sched_fcfs = {
> > extern struct sctp_sched_ops sctp_sched_prio;
> > extern struct sctp_sched_ops sctp_sched_rr;
> >
> > -struct sctp_sched_ops *sctp_sched_ops[] = {
> > +static struct sctp_sched_ops *sctp_sched_ops[] = {
> > &sctp_sched_fcfs,
> > &sctp_sched_prio,
> > &sctp_sched_rr,
>
> Perhaps these should also be const to move more data to text
Yes. There are no plans on supporting any sort of dynamic updates on
this, at least for now.
Marcelo
^ permalink raw reply [flat|nested] 11+ messages in thread