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make proc_ns_operations work with struct ns_common * instead of void *

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We can do that now.  And kill ->inum(), while we are at it - all instances
are identical.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-11-01 00:37:32 -04:00
parent 3c04118461
commit 64964528b2
9 changed files with 28 additions and 65 deletions
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12
kernel/utsname.c
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@ -93,7 +93,7 @@ static inline struct uts_namespace *to_uts_ns(struct ns_common *ns)
return container_of(ns, struct uts_namespace, ns);
}
static void *utsns_get(struct task_struct *task)
static struct ns_common *utsns_get(struct task_struct *task)
{
struct uts_namespace *ns = NULL;
struct nsproxy *nsproxy;
@ -109,12 +109,12 @@ static void *utsns_get(struct task_struct *task)
return ns ? &ns->ns : NULL;
}
static void utsns_put(void *ns)
static void utsns_put(struct ns_common *ns)
{
put_uts_ns(to_uts_ns(ns));
}
static int utsns_install(struct nsproxy *nsproxy, void *new)
static int utsns_install(struct nsproxy *nsproxy, struct ns_common *new)
{
struct uts_namespace *ns = to_uts_ns(new);
@ -128,16 +128,10 @@ static int utsns_install(struct nsproxy *nsproxy, void *new)
return 0;
}
static unsigned int utsns_inum(void *vp)
{
return ((struct ns_common *)vp)->inum;
}
const struct proc_ns_operations utsns_operations = {
.name = "uts",
.type = CLONE_NEWUTS,
.get = utsns_get,
.put = utsns_put,
.install = utsns_install,
.inum = utsns_inum,
};