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author	Al Viro <viro@zeniv.linux.org.uk>
	Sat, 9 Jun 2012 04:59:08 +0000 (00:59 -0400)
committer	Al Viro <viro@zeniv.linux.org.uk>
	Sat, 14 Jul 2012 12:32:47 +0000 (16:32 +0400)
commit	f7a99c5b7c8bd3d3f533c8b38274e33f3da9096e
tree	5c326c0ddd1f40eacbe2fd7c888f26b089389f99	tree
parent	d187663ef24cd3d033f0cbf2867e70b36a3a90b8	commit \| diff

get rid of ->mnt_longterm

it's enough to set ->mnt_ns of internal vfsmounts to something
distinct from all struct mnt_namespace out there; then we can
just use the check for ->mnt_ns != NULL in the fast path of
mntput_no_expire()

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

fs/dcache.c		diff \| blob \| blame \| history
fs/fs_struct.c		diff \| blob \| blame \| history
fs/internal.h		diff \| blob \| blame \| history
fs/mount.h		diff \| blob \| blame \| history
fs/namespace.c		diff \| blob \| blame \| history

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