David,
Please pull from:
master.kernel.org:/home/acme/BK/net-2.5
- Arnaldo
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
ChangeSet@1.861, 2002-10-18 00:49:22-03:00, acme@conectiva.com.br
o ipv4: remove the hack, make udp seq_file functions use seq->private
ip_proc.c | 65 ++++++++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 45 insertions(+), 20 deletions(-)
diff -Nru a/net/ipv4/ip_proc.c b/net/ipv4/ip_proc.c
--- a/net/ipv4/ip_proc.c Fri Oct 18 00:57:11 2002
+++ b/net/ipv4/ip_proc.c Fri Oct 18 00:57:11 2002
@@ -282,28 +282,24 @@
/* ------------------------------------------------------------------------ */
-#define UDP_HASH_POS_BITS (sizeof(loff_t) * 8 - 8)
-#define UDP_HASH_BITS (((loff_t)127) << UDP_HASH_POS_BITS)
-#define UDP_HASH_BUCKET(p) ((p & UDP_HASH_BITS) >> UDP_HASH_POS_BITS)
+struct udp_iter_state {
+ int bucket;
+};
static __inline__ struct sock *udp_get_bucket(struct seq_file *seq, loff_t *pos)
{
+ int i;
struct sock *sk = NULL;
- loff_t ppos = *pos & ~UDP_HASH_BITS, l = ppos;
- loff_t bucket = UDP_HASH_BUCKET(*pos);
+ loff_t l = *pos;
+ struct udp_iter_state *state = seq->private;
- for (; bucket < UDP_HTABLE_SIZE; ++bucket)
- for (sk = udp_hash[bucket]; sk; sk = sk->next) {
+ for (; state->bucket < UDP_HTABLE_SIZE; ++state->bucket)
+ for (i = 0, sk = udp_hash[state->bucket]; sk; ++i, sk = sk->next) {
if (sk->family != PF_INET)
continue;
if (l--)
continue;
- *pos = (bucket << UDP_HASH_POS_BITS) | ppos;
- /*
- * temporary HACK till we have a solution to
- * get more state passed to seq_show -acme
- */
- seq->private = (void *)(int)bucket;
+ *pos = i;
goto out;
}
out:
@@ -318,8 +314,8 @@
static void *udp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
- int next_bucket;
struct sock *sk;
+ struct udp_iter_state *state;
if (v == (void *)1) {
sk = udp_get_bucket(seq, pos);
@@ -331,11 +327,11 @@
if (sk)
goto out;
- next_bucket = UDP_HASH_BUCKET(*pos) + 1;
- if (next_bucket >= UDP_HTABLE_SIZE)
+ state = seq->private;
+ if (++state->bucket >= UDP_HTABLE_SIZE)
goto out;
- *pos = (loff_t)next_bucket << UDP_HASH_POS_BITS;
+ *pos = 0;
sk = udp_get_bucket(seq, pos);
out:
++*pos;
@@ -372,8 +368,9 @@
"inode");
else {
char tmpbuf[129];
+ struct udp_iter_state *state = seq->private;
- udp_format_sock(v, tmpbuf, (int)seq->private);
+ udp_format_sock(v, tmpbuf, state->bucket);
seq_printf(seq, "%-127s\n", tmpbuf);
}
return 0;
@@ -441,7 +438,35 @@
static int udp_seq_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &udp_seq_ops);
+ struct seq_file *seq;
+ int rc = -ENOMEM;
+ struct udp_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+
+ if (!s)
+ goto out;
+
+ rc = seq_open(file, &udp_seq_ops);
+ if (rc)
+ goto out_kfree;
+
+ seq = file->private_data;
+ seq->private = s;
+ memset(s, 0, sizeof(*s));
+out:
+ return rc;
+out_kfree:
+ kfree(s);
+ goto out;
+}
+
+static int udp_seq_release(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq = (struct seq_file *)file->private_data;
+
+ kfree(seq->private);
+ seq->private = NULL;
+
+ return seq_release(inode, file);
}
static struct file_operations arp_seq_fops = {
@@ -462,7 +487,7 @@
.open = udp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = udp_seq_release,
};
/* ------------------------------------------------------------------------ */
===================================================================
This BitKeeper patch contains the following changesets:
1.861
## Wrapped with gzip_uu ##
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`
end
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This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:00:39 EST