procfs: kill the global proc_mnt variable

After the previous cleanup in proc_get_sb() the global proc_mnt has no
reasons to exists, kill it.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Serge E. Hallyn <serge@hallyn.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov 2011-03-23 16:43:14 -07:00 committed by Linus Torvalds
parent 4308eebbeb
commit 52e9fc76d0
3 changed files with 4 additions and 6 deletions

View File

@ -46,8 +46,6 @@ static void proc_evict_inode(struct inode *inode)
}
}
struct vfsmount *proc_mnt;
static struct kmem_cache * proc_inode_cachep;
static struct inode *proc_alloc_inode(struct super_block *sb)

View File

@ -107,7 +107,6 @@ static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde)
}
void pde_put(struct proc_dir_entry *pde);
extern struct vfsmount *proc_mnt;
int proc_fill_super(struct super_block *);
struct inode *proc_get_inode(struct super_block *, struct proc_dir_entry *);

View File

@ -90,19 +90,20 @@ static struct file_system_type proc_fs_type = {
void __init proc_root_init(void)
{
struct vfsmount *mnt;
int err;
proc_init_inodecache();
err = register_filesystem(&proc_fs_type);
if (err)
return;
proc_mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
if (IS_ERR(proc_mnt)) {
mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
if (IS_ERR(mnt)) {
unregister_filesystem(&proc_fs_type);
return;
}
init_pid_ns.proc_mnt = proc_mnt;
init_pid_ns.proc_mnt = mnt;
proc_symlink("mounts", NULL, "self/mounts");
proc_net_init();