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misc: uidstat: Remove use of obsolete create_proc_read_entry api

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Signed-off-by: Arve Hjønnevåg <arve@android.com>
This commit is contained in:
Arve Hjønnevåg 2013-05-13 20:34:22 -07:00 • committed by John Stultz
parent f7a8121740
commit fccab646d3
1 changed files with 18 additions and 32 deletions
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50
drivers/misc/uid_stat.c
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@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/stat.h>
@ -48,42 +49,27 @@ static struct uid_stat *find_uid_stat(uid_t uid) {
return NULL;
}
static int tcp_snd_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
static int uid_stat_atomic_int_show(struct seq_file *m, void *v)
{
int len;
unsigned int bytes;
char *p = page;
struct uid_stat *uid_entry = (struct uid_stat *) data;
if (!data)
return 0;
atomic_t *counter = m->private;
bytes = (unsigned int) (atomic_read(&uid_entry->tcp_snd) + INT_MIN);
p += sprintf(p, "%u\n", bytes);
len = (p - page) - off;
*eof = (len <= count) ? 1 : 0;
*start = page + off;
return len;
bytes = (unsigned int) (atomic_read(counter) + INT_MIN);
return seq_printf(m, "%u\n", bytes);
}
static int tcp_rcv_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
static int uid_stat_read_atomic_int_open(struct inode *inode, struct file *file)
{
int len;
unsigned int bytes;
char *p = page;
struct uid_stat *uid_entry = (struct uid_stat *) data;
if (!data)
return 0;
bytes = (unsigned int) (atomic_read(&uid_entry->tcp_rcv) + INT_MIN);
p += sprintf(p, "%u\n", bytes);
len = (p - page) - off;
*eof = (len <= count) ? 1 : 0;
*start = page + off;
return len;
return single_open(file, uid_stat_atomic_int_show, PDE_DATA(inode));
}
static const struct file_operations uid_stat_read_atomic_int_fops = {
.open = uid_stat_read_atomic_int_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/* Create a new entry for tracking the specified uid. */
static struct uid_stat *create_stat(uid_t uid) {
struct uid_stat *new_uid;
@ -109,11 +95,11 @@ static void create_stat_proc(struct uid_stat *new_uid)
entry = proc_mkdir(uid_s, parent);
/* Keep reference to uid_stat so we know what uid to read stats from. */
create_proc_read_entry("tcp_snd", S_IRUGO, entry , tcp_snd_read_proc,
(void *) new_uid);
proc_create_data("tcp_snd", S_IRUGO, entry,
&uid_stat_read_atomic_int_fops, &new_uid->tcp_snd);
create_proc_read_entry("tcp_rcv", S_IRUGO, entry, tcp_rcv_read_proc,
(void *) new_uid);
proc_create_data("tcp_rcv", S_IRUGO, entry,
&uid_stat_read_atomic_int_fops, &new_uid->tcp_rcv);
}
static struct uid_stat *find_or_create_uid_stat(uid_t uid)