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cgroup: store a reference to cgroup_ns into cgroup_fs_context

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... and trim cgroup_do_mount() arguments (renaming it to cgroup_do_get_tree())

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2019-01-17 10:14:26 -05:00
parent 6678889f07
commit cca8f32714
3 changed files with 17 additions and 12 deletions
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4
kernel/cgroup/cgroup-internal.h
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@@ -42,6 +42,7 @@ extern void __init enable_debug_cgroup(void);
*/
struct cgroup_fs_context {
struct cgroup_root *root;
struct cgroup_namespace *ns;
unsigned int flags; /* CGRP_ROOT_* flags */
/* cgroup1 bits */
@@ -212,8 +213,7 @@ void cgroup_free_root(struct cgroup_root *root);
void init_cgroup_root(struct cgroup_fs_context *ctx);
int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask);
int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask);
int cgroup_do_mount(struct fs_context *fc, unsigned long magic,
struct cgroup_namespace *ns);
int cgroup_do_get_tree(struct fs_context *fc);
int cgroup_migrate_vet_dst(struct cgroup *dst_cgrp);
void cgroup_migrate_finish(struct cgroup_mgctx *mgctx);