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author | Alexey Dobriyan <adobriyan@gmail.com> | 2008-10-04 14:08:37 +0400 |
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committer | Alexey Dobriyan <adobriyan@gmail.com> | 2008-10-23 14:27:09 +0400 |
commit | 6827400713fa22312ca3b4f47b0e64871c88040c (patch) | |
tree | a42a02ce68671443576482c5e38bd42735383579 /fs/filesystems.c | |
parent | 4c150f6c30f5129bbce5c41568a285b1f7ca8d8b (diff) | |
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proc: move /proc/filesystems to fs/filesystems.c
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Diffstat (limited to 'fs/filesystems.c')
-rw-r--r-- | fs/filesystems.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/filesystems.c b/fs/filesystems.c index f37f872..d0e20ce 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -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; |