proc: move /proc/filesystems to fs/filesystems.c
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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parent
4c150f6c30
commit
6827400713
2 changed files with 39 additions and 8 deletions
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@ -8,6 +8,8 @@
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#include <linux/syscalls.h>
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#include <linux/fs.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/slab.h>
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#include <linux/kmod.h>
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#include <linux/init.h>
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@ -214,6 +216,43 @@ int get_filesystem_list(char * buf)
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return len;
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}
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#ifdef CONFIG_PROC_FS
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static int filesystems_proc_show(struct seq_file *m, void *v)
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{
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struct file_system_type * tmp;
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read_lock(&file_systems_lock);
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tmp = file_systems;
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while (tmp) {
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seq_printf(m, "%s\t%s\n",
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(tmp->fs_flags & FS_REQUIRES_DEV) ? "" : "nodev",
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tmp->name);
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tmp = tmp->next;
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}
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read_unlock(&file_systems_lock);
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return 0;
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}
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static int filesystems_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, filesystems_proc_show, NULL);
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}
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static const struct file_operations filesystems_proc_fops = {
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.open = filesystems_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int __init proc_filesystems_init(void)
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{
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proc_create("filesystems", 0, NULL, &filesystems_proc_fops);
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return 0;
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}
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module_init(proc_filesystems_init);
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#endif
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struct file_system_type *get_fs_type(const char *name)
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{
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struct file_system_type *fs;
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@ -472,13 +472,6 @@ static const struct file_operations proc_interrupts_operations = {
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.release = seq_release,
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};
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static int filesystems_read_proc(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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int len = get_filesystem_list(page);
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return proc_calc_metrics(page, start, off, count, eof, len);
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}
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static int cmdline_read_proc(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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@ -648,7 +641,6 @@ void __init proc_misc_init(void)
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char *name;
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int (*read_proc)(char*,char**,off_t,int,int*,void*);
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} *p, simple_ones[] = {
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{"filesystems", filesystems_read_proc},
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{"cmdline", cmdline_read_proc},
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{"execdomains", execdomains_read_proc},
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{NULL,}
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