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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v4 net] bpf: add bpf_sk_netns_id() helper
Date: Wed, 08 Feb 2017 13:16:18 -0500 (EST)
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From: Alexei Starovoitov <ast@fb.com>
Date: Mon, 6 Feb 2017 18:02:48 -0800

> Eric, I'v added proc_get_ns_devid_inum() to nsfs.c
> right next to __ns_get_path(), so when it is time in the future
> to make nsfs more namespace aware, it will be easy to adjust
> both new_inode_pseudo(mnt->mnt_sb) line and proc_get_ns_devid_inum()
> I thought about using ns->stashed, but it's obviously transient
> inode and not usable. If later we decide to store dev_t into ns_common
> it will be fine as well. We'll just change proc_get_ns_devid_inum()
> without affecting user space.

Eric?