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neigh: switch to proc_create_seq_data 

And use proc private data directly instead of doing a detour
through seq->private.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-04-15 10:16:41 +02:00
parent d51269592c
commit 71a5053a41
1 changed files with 6 additions and 25 deletions
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31
net/core/neighbour.c
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@ -59,7 +59,7 @@ static int pneigh_ifdown_and_unlock(struct neigh_table *tbl,
struct net_device *dev);
#ifdef CONFIG_PROC_FS
static const struct file_operations neigh_stat_seq_fops;
static const struct seq_operations neigh_stat_seq_ops;
#endif
/*
@ -1558,8 +1558,8 @@ void neigh_table_init(int index, struct neigh_table *tbl)
panic("cannot create neighbour cache statistics");
#ifdef CONFIG_PROC_FS
if (!proc_create_data(tbl->id, 0, init_net.proc_net_stat,
&neigh_stat_seq_fops, tbl))
if (!proc_create_seq_data(tbl->id, 0, init_net.proc_net_stat,
&neigh_stat_seq_ops, tbl))
panic("cannot create neighbour proc dir entry");
#endif
@ -2786,7 +2786,7 @@ EXPORT_SYMBOL(neigh_seq_stop);
static void *neigh_stat_seq_start(struct seq_file *seq, loff_t *pos)
{
struct neigh_table *tbl = seq->private;
struct neigh_table *tbl = PDE_DATA(file_inode(seq->file));
int cpu;
if (*pos == 0)
@ -2803,7 +2803,7 @@ static void *neigh_stat_seq_start(struct seq_file *seq, loff_t *pos)
static void *neigh_stat_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct neigh_table *tbl = seq->private;
struct neigh_table *tbl = PDE_DATA(file_inode(seq->file));
int cpu;
for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
@ -2822,7 +2822,7 @@ static void neigh_stat_seq_stop(struct seq_file *seq, void *v)
static int neigh_stat_seq_show(struct seq_file *seq, void *v)
{
struct neigh_table *tbl = seq->private;
struct neigh_table *tbl = PDE_DATA(file_inode(seq->file));
struct neigh_statistics *st = v;
if (v == SEQ_START_TOKEN) {
@ -2861,25 +2861,6 @@ static const struct seq_operations neigh_stat_seq_ops = {
.stop = neigh_stat_seq_stop,
.show = neigh_stat_seq_show,
};
static int neigh_stat_seq_open(struct inode *inode, struct file *file)
{
int ret = seq_open(file, &neigh_stat_seq_ops);
if (!ret) {
struct seq_file *sf = file->private_data;
sf->private = PDE_DATA(inode);
}
return ret;
};
static const struct file_operations neigh_stat_seq_fops = {
.open = neigh_stat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
#endif /* CONFIG_PROC_FS */
static inline size_t neigh_nlmsg_size(void)