From 6908fe248fc3e976363807985478871106b22a19 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 13 May 2013 20:34:22 -0700 Subject: misc: uidstat: Remove use of obsolete create_proc_read_entry api MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Arve Hjønnevåg --- drivers/misc/uid_stat.c | 52 ++++++++++++++++++------------------------------- 1 file changed, 19 insertions(+), 33 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/uid_stat.c b/drivers/misc/uid_stat.c index 509822c81e9..4766c1f83b9 100644 --- a/drivers/misc/uid_stat.c +++ b/drivers/misc/uid_stat.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -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; - - 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; + atomic_t *counter = m->private; + + 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) -- cgit v1.2.3