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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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6
fs/namespace.c
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@ -923,7 +923,7 @@ EXPORT_SYMBOL(replace_mount_options);
/* iterator; we want it to have access to namespace_sem, thus here... */
static void *m_start(struct seq_file *m, loff_t *pos)
{
struct proc_mounts *p = container_of(m, struct proc_mounts, m);
struct proc_mounts *p = proc_mounts(m);
down_read(&namespace_sem);
return seq_list_start(&p->ns->list, *pos);
@ -931,7 +931,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
static void *m_next(struct seq_file *m, void *v, loff_t *pos)
{
struct proc_mounts *p = container_of(m, struct proc_mounts, m);
struct proc_mounts *p = proc_mounts(m);
return seq_list_next(v, &p->ns->list, pos);
}
@ -943,7 +943,7 @@ static void m_stop(struct seq_file *m, void *v)
static int m_show(struct seq_file *m, void *v)
{
struct proc_mounts *p = container_of(m, struct proc_mounts, m);
struct proc_mounts *p = proc_mounts(m);
struct mount *r = list_entry(v, struct mount, mnt_list);
return p->show(m, &r->mnt);
}