From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 1 Nov 2014 07:13:17 +0000 (-0400)
Subject: bury struct proc_ns in fs/proc
X-Git-Tag: omap-for-v3.19/fixes-rc1~60^2~7^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f77c80142e1afe6d5c16975ca5d7d1fc324b16f9;p=pandora-kernel.git

bury struct proc_ns in fs/proc

a) make get_proc_ns() return a pointer to struct ns_common
b) mirror ns_ops in dentry->d_fsdata of ns dentries, so that
is_mnt_ns_file() could get away with fewer dereferences.

That way struct proc_ns becomes invisible outside of fs/proc/*.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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