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cgroup: bpf: Move wrapper for __cgroup_bpf_*() to kernel/bpf/cgroup.c

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In commit 324bda9e6c5a("bpf: multi program support for cgroup+bpf")
cgroup_bpf_*() called from kernel/bpf/syscall.c, but now they are only
used in kernel/bpf/cgroup.c, so move these function to
kernel/bpf/cgroup.c, like cgroup_bpf_replace().

Signed-off-by: He Fengqing <hefengqing@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
He Fengqing
2021-10-29 02:39:06 +00:00
committed by Tejun Heo
parent 81c49d39ae
commit 588e5d8766
3 changed files with 45 additions and 67 deletions
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kernel/cgroup/cgroup.c
-38
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@@ -6676,44 +6676,6 @@ void cgroup_sk_free(struct sock_cgroup_data *skcd)
#endif /* CONFIG_SOCK_CGROUP_DATA */
#ifdef CONFIG_CGROUP_BPF
int cgroup_bpf_attach(struct cgroup *cgrp,
struct bpf_prog *prog, struct bpf_prog *replace_prog,
struct bpf_cgroup_link *link,
enum bpf_attach_type type,
u32 flags)
{
int ret;
mutex_lock(&cgroup_mutex);
ret = __cgroup_bpf_attach(cgrp, prog, replace_prog, link, type, flags);
mutex_unlock(&cgroup_mutex);
return ret;
}
int cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog,
enum bpf_attach_type type)
{
int ret;
mutex_lock(&cgroup_mutex);
ret = __cgroup_bpf_detach(cgrp, prog, NULL, type);
mutex_unlock(&cgroup_mutex);
return ret;
}
int cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
int ret;
mutex_lock(&cgroup_mutex);
ret = __cgroup_bpf_query(cgrp, attr, uattr);
mutex_unlock(&cgroup_mutex);
return ret;
}
#endif /* CONFIG_CGROUP_BPF */
#ifdef CONFIG_SYSFS
static ssize_t show_delegatable_files(struct cftype *files, char *buf,
ssize_t size, const char *prefix)