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proc: move /proc/filesystems to fs/filesystems.c

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
This commit is contained in:
Alexey Dobriyan 2008-10-04 14:08:37 +04:00
parent 4c150f6c30
commit 6827400713
2 changed files with 39 additions and 8 deletions
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39
fs/filesystems.c
View File

@ -8,6 +8,8 @@
#include <linux/syscalls.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/kmod.h>
#include <linux/init.h>
@ -214,6 +216,43 @@ int get_filesystem_list(char * buf)
return len;
}
#ifdef CONFIG_PROC_FS
static int filesystems_proc_show(struct seq_file *m, void *v)
{
struct file_system_type * tmp;
read_lock(&file_systems_lock);
tmp = file_systems;
while (tmp) {
seq_printf(m, "%s\t%s\n",
(tmp->fs_flags & FS_REQUIRES_DEV) ? "" : "nodev",
tmp->name);
tmp = tmp->next;
}
read_unlock(&file_systems_lock);
return 0;
}
static int filesystems_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, filesystems_proc_show, NULL);
}
static const struct file_operations filesystems_proc_fops = {
.open = filesystems_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int __init proc_filesystems_init(void)
{
proc_create("filesystems", 0, NULL, &filesystems_proc_fops);
return 0;
}
module_init(proc_filesystems_init);
#endif
struct file_system_type *get_fs_type(const char *name)
{
struct file_system_type *fs;

8
fs/proc/proc_misc.c
View File

@ -472,13 +472,6 @@ static const struct file_operations proc_interrupts_operations = {
.release = seq_release,
};
static int filesystems_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int len = get_filesystem_list(page);
return proc_calc_metrics(page, start, off, count, eof, len);
}
static int cmdline_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
@ -648,7 +641,6 @@ void __init proc_misc_init(void)
char *name;
int (*read_proc)(char*,char**,off_t,int,int*,void*);
} *p, simple_ones[] = {
{"filesystems", filesystems_read_proc},
{"cmdline", cmdline_read_proc},
{"execdomains", execdomains_read_proc},
{NULL,}