kernel-ark/include/linux/mnt_namespace.h
Al Viro 9f5596af44 take check for new events in namespace (guts of mounts_poll()) to namespace.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-03-03 14:07:59 -05:00

42 lines
939 B
C

#ifndef _NAMESPACE_H_
#define _NAMESPACE_H_
#ifdef __KERNEL__
#include <linux/path.h>
#include <linux/seq_file.h>
#include <linux/wait.h>
struct mnt_namespace {
atomic_t count;
struct vfsmount * root;
struct list_head list;
wait_queue_head_t poll;
int event;
};
struct proc_mounts {
struct seq_file m; /* must be the first element */
struct mnt_namespace *ns;
struct path root;
int event;
};
struct fs_struct;
extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);
extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
struct fs_struct *);
extern void put_mnt_ns(struct mnt_namespace *ns);
static inline void get_mnt_ns(struct mnt_namespace *ns)
{
atomic_inc(&ns->count);
}
extern const struct seq_operations mounts_op;
extern const struct seq_operations mountinfo_op;
extern const struct seq_operations mountstats_op;
extern int mnt_had_events(struct proc_mounts *);
#endif
#endif