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new helpers: ns_alloc_inum/ns_free_inum

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take struct ns_common *, for now simply wrappers around proc_{alloc,free}_inum()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-11-01 00:45:45 -04:00
parent 64964528b2
commit 6344c433a4
7 changed files with 16 additions and 13 deletions
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4
fs/namespace.c
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@@ -2645,7 +2645,7 @@ dput_out:
static void free_mnt_ns(struct mnt_namespace *ns)
{
proc_free_inum(ns->ns.inum);
ns_free_inum(&ns->ns);
put_user_ns(ns->user_ns);
kfree(ns);
}
@@ -2667,7 +2667,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns)
new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);
if (!new_ns)
return ERR_PTR(-ENOMEM);
ret = proc_alloc_inum(&new_ns->ns.inum);
ret = ns_alloc_inum(&new_ns->ns);
if (ret) {
kfree(new_ns);
return ERR_PTR(ret);