Make proc hav emultiple superblocks - one for each namespace

PATCH In review [email protected] 1 participant 1 message Aug 7, 2007 Proc filesystem

Share & tools

[email protected]

author

2007-08-07 09:29 UTC #0 lore raw

PATCH 12/20 Make proc hav emultiple superblocks - one for each namespace

Each pid namespace have to be visible through its own proc mount. Thus we need to have per-namespace proc trees with their own superblocks.

Signed-off-by Pavel Emelyanov <[email protected]>

---

 fs/proc/inode.c               |    2 -
 fs/proc/root.c                |   67 +++++++++++++++++++++++++++++++++++++++---
 include/linux/pid_namespace.h |    3 +
 include/linux/proc_fs.h       |    3 +
 4 files changed, 69 insertions(+), 6 deletions(-)

fs/proc/inode.c renamed from fs/proc/inode.c.ve12 +1 -1

@@ -427,7 +428,7 @@ out_mod:
 	return NULL;
 }			
 
-int proc_fill_super(struct super_block *s, void *data, int silent)
+int proc_fill_super(struct super_block *s)
 {
 	struct inode * root_inode;

fs/proc/root.c renamed from fs/proc/root.c.ve12 +63 -4

107 lines not on this page · raw message

include/linux/pid_namespace.h renamed from include/linux/pid_namespace.h.ve12 +3 -0

@@ -23,6 +23,9 @@ struct pid_namespace {
 	struct kmem_cache *pid_cachep;
 	int level;
 	struct pid_namespace *parent;
+#ifdef CONFIG_PROC_FS
+	struct vfsmount *proc_mnt;
+#endif
 };
 
 extern struct pid_namespace init_pid_ns;

include/linux/proc_fs.h renamed from include/linux/proc_fs.h.ve12 +2 -1

@@ -126,7 +126,8 @@ extern struct proc_dir_entry *create_pro
 extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
 
 extern struct vfsmount *proc_mnt;
-extern int proc_fill_super(struct super_block *,void *,int);
+struct pid_namespace;
+extern int proc_fill_super(struct super_block *);
 extern struct inode *proc_get_inode(struct super_block *, unsigned int, struct proc_dir_entry *);
 
 /*