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get rid of magic in proc_namespace.c

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don't rely on proc_mounts->m being the first field; container_of()
is there for purpose.  No need to bother with ->private, while
we are at it - the same container_of will do nicely.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2012-06-09 01:16:59 -04:00
commit 6ce6e24e72
3 changed files with 9 additions and 8 deletions
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4
fs/mount.h
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@ -74,10 +74,12 @@ static inline void get_mnt_ns(struct mnt_namespace *ns)
}
struct proc_mounts {
struct seq_file m; /* must be the first element */
struct seq_file m;
struct mnt_namespace *ns;
struct path root;
int (*show)(struct seq_file *, struct vfsmount *);
};
#define proc_mounts(p) (container_of((p), struct proc_mounts, m))
extern const struct seq_operations mounts_op;