The patch titled
Make some netfilter-related proc files use seq_list_xxx helpers
has been added to the -mm tree. Its filename is
make-some-netfilter-related-proc-files-use-seq_list_xxx.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Make some netfilter-related proc files use seq_list_xxx helpers
From: Pavel Emelianov <xemul@xxxxx>
This includes /proc/net/ip_conntrack_expect file.
Although struct nf_conntrack_expect has list_head as the very first element I
use list_entry in .show callback to emphasize the fact that *v is the
list_head pointer.
Signed-off-by: Pavel Emelianov <xemul@xxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 27 +---------
net/netfilter/nf_conntrack_expect.c | 27 +---------
2 files changed, 8 insertions(+), 46 deletions(-)
diff -puN net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c~make-some-netfilter-related-proc-files-use-seq_list_xxx net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c~make-some-netfilter-related-proc-files-use-seq_list_xxx
+++ a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
@@ -208,35 +208,15 @@ static const struct file_operations ct_f
/* expects */
static void *exp_seq_start(struct seq_file *s, loff_t *pos)
{
- struct list_head *e = &nf_conntrack_expect_list;
- loff_t i;
-
/* strange seq_file api calls stop even if we fail,
* thus we need to grab lock since stop unlocks */
read_lock_bh(&nf_conntrack_lock);
-
- if (list_empty(e))
- return NULL;
-
- for (i = 0; i <= *pos; i++) {
- e = e->next;
- if (e == &nf_conntrack_expect_list)
- return NULL;
- }
- return e;
+ return seq_list_start(&nf_conntrack_expect_list, *pos);
}
static void *exp_seq_next(struct seq_file *s, void *v, loff_t *pos)
{
- struct list_head *e = v;
-
- ++*pos;
- e = e->next;
-
- if (e == &nf_conntrack_expect_list)
- return NULL;
-
- return e;
+ return seq_list_next(v, &nf_conntrack_expect_list, pos);
}
static void exp_seq_stop(struct seq_file *s, void *v)
@@ -246,7 +226,8 @@ static void exp_seq_stop(struct seq_file
static int exp_seq_show(struct seq_file *s, void *v)
{
- struct nf_conntrack_expect *exp = v;
+ struct nf_conntrack_expect *exp = list_entry(v,
+ struct nf_conntrack_expect, list);
if (exp->tuple.src.l3num != AF_INET)
return 0;
diff -puN net/netfilter/nf_conntrack_expect.c~make-some-netfilter-related-proc-files-use-seq_list_xxx net/netfilter/nf_conntrack_expect.c
--- a/net/netfilter/nf_conntrack_expect.c~make-some-netfilter-related-proc-files-use-seq_list_xxx
+++ a/net/netfilter/nf_conntrack_expect.c
@@ -366,35 +366,15 @@ EXPORT_SYMBOL_GPL(nf_conntrack_expect_re
#ifdef CONFIG_PROC_FS
static void *exp_seq_start(struct seq_file *s, loff_t *pos)
{
- struct list_head *e = &nf_conntrack_expect_list;
- loff_t i;
-
/* strange seq_file api calls stop even if we fail,
* thus we need to grab lock since stop unlocks */
read_lock_bh(&nf_conntrack_lock);
-
- if (list_empty(e))
- return NULL;
-
- for (i = 0; i <= *pos; i++) {
- e = e->next;
- if (e == &nf_conntrack_expect_list)
- return NULL;
- }
- return e;
+ return seq_list_start(&nf_conntrack_expect_list, *pos);
}
static void *exp_seq_next(struct seq_file *s, void *v, loff_t *pos)
{
- struct list_head *e = v;
-
- ++*pos;
- e = e->next;
-
- if (e == &nf_conntrack_expect_list)
- return NULL;
-
- return e;
+ return seq_list_next(v, &nf_conntrack_expect_list, pos);
}
static void exp_seq_stop(struct seq_file *s, void *v)
@@ -404,7 +384,8 @@ static void exp_seq_stop(struct seq_file
static int exp_seq_show(struct seq_file *s, void *v)
{
- struct nf_conntrack_expect *expect = v;
+ struct nf_conntrack_expect *expect = list_entry(v,
+ struct nf_conntrack_expect, list);
if (expect->timeout.function)
seq_printf(s, "%ld ", timer_pending(&expect->timeout)
_
Patches currently in -mm which might be from xemul@xxxxx are
make-common-helpers-for-seq_files-that-work-with-list_head-s.patch
make-afs-use-seq_list_xxx-helpers.patch
make-atm-driver-use-seq_list_xxx-helpers.patch
make-block-layer-proc-files-use-seq_list_xxx-helpers.patch
make-crypto-api-use-seq_list_xxx-helpers.patch
make-input-layer-use-seq_list_xxx-helpers.patch
make-isdn-capi-use-seq_list_xxx-helpers.patch
make-proc-misc-use-seq_list_xxx-helpers.patch
make-proc-modules-use-seq_list_xxx-helpers.patch
make-some-network-related-proc-files-use-seq_list_xxx.patch
make-some-netfilter-related-proc-files-use-seq_list_xxx.patch
make-nfs-client-use-seq_list_xxx-helpers.patch
make-proc-tty-drivers-use-seq_list_xxx-helpers.patch
make-proc-slabinfo-use-seq_list_xxx-helpers.patch
make-proc-self-mountstats-use-seq_list_xxx-helpers.patch
-
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