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authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-04 14:28:09 +0400
committerAlexey Dobriyan <adobriyan@gmail.com>2008-10-23 14:30:41 +0400
commit6e62775ece1c83a84d86df44cfd8ea3e6c96ce23 (patch)
tree2eac2401fd8ca9372e6b15cc656a87d0b75856fc
parentcf9887f102541b8a0adb73f7da9c28d090622010 (diff)
proc: move /proc/execdomains to kernel/exec_domain.c
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
-rw-r--r--fs/proc/proc_misc.c9
-rw-r--r--kernel/exec_domain.c33
2 files changed, 27 insertions, 15 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 15257d4b1b91..424b9d03b1a0 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -63,7 +63,6 @@
* have a way to deal with that gracefully. Right now I used straightforward
* wrappers, but this needs further analysis wrt potential overflows.
*/
-extern int get_exec_domain_list(char *);
static int proc_calc_metrics(char *page, char **start, off_t off,
int count, int *eof, int len)
@@ -486,13 +485,6 @@ static const struct file_operations proc_locks_operations = {
};
#endif /* CONFIG_FILE_LOCKING */
-static int execdomains_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int len = get_exec_domain_list(page);
- return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
#ifdef CONFIG_PROC_PAGE_MONITOR
#define KPMSIZE sizeof(u64)
#define KPMMASK (KPMSIZE - 1)
@@ -632,7 +624,6 @@ void __init proc_misc_init(void)
char *name;
int (*read_proc)(char*,char**,off_t,int,int*,void*);
} *p, simple_ones[] = {
- {"execdomains", execdomains_read_proc},
{NULL,}
};
for (p = simple_ones; p->name; p++)
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index 0d407e886735..0511716e9424 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -12,7 +12,9 @@
#include <linux/kmod.h>
#include <linux/module.h>
#include <linux/personality.h>
+#include <linux/proc_fs.h>
#include <linux/sched.h>
+#include <linux/seq_file.h>
#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/types.h>
@@ -173,20 +175,39 @@ __set_personality(u_long personality)
return 0;
}
-int
-get_exec_domain_list(char *page)
+#ifdef CONFIG_PROC_FS
+static int execdomains_proc_show(struct seq_file *m, void *v)
{
struct exec_domain *ep;
- int len = 0;
read_lock(&exec_domains_lock);
- for (ep = exec_domains; ep && len < PAGE_SIZE - 80; ep = ep->next)
- len += sprintf(page + len, "%d-%d\t%-16s\t[%s]\n",
+ for (ep = exec_domains; ep; ep = ep->next)
+ seq_printf(m, "%d-%d\t%-16s\t[%s]\n",
ep->pers_low, ep->pers_high, ep->name,
module_name(ep->module));
read_unlock(&exec_domains_lock);
- return (len);
+ return 0;
+}
+
+static int execdomains_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, execdomains_proc_show, NULL);
+}
+
+static const struct file_operations execdomains_proc_fops = {
+ .open = execdomains_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init proc_execdomains_init(void)
+{
+ proc_create("execdomains", 0, NULL, &execdomains_proc_fops);
+ return 0;
}
+module_init(proc_execdomains_init);
+#endif
asmlinkage long
sys_personality(u_long personality)

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