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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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13
fs/namespace.c
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@@ -3149,7 +3149,7 @@ found:
return visible;
}
static void *mntns_get(struct task_struct *task)
static struct ns_common *mntns_get(struct task_struct *task)
{
struct ns_common *ns = NULL;
struct nsproxy *nsproxy;
@@ -3165,12 +3165,12 @@ static void *mntns_get(struct task_struct *task)
return ns;
}
static void mntns_put(void *ns)
static void mntns_put(struct ns_common *ns)
{
put_mnt_ns(to_mnt_ns(ns));
}
static int mntns_install(struct nsproxy *nsproxy, void *ns)
static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
{
struct fs_struct *fs = current->fs;
struct mnt_namespace *mnt_ns = to_mnt_ns(ns);
@@ -3203,17 +3203,10 @@ static int mntns_install(struct nsproxy *nsproxy, void *ns)
return 0;
}
static unsigned int mntns_inum(void *ns)
{
struct ns_common *p = ns;
return p->inum;
}
const struct proc_ns_operations mntns_operations = {
.name = "mnt",
.type = CLONE_NEWNS,
.get = mntns_get,
.put = mntns_put,
.install = mntns_install,
.inum = mntns_inum,
};