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(parent: 0b1b901) | patch
switch mnt_hash to hlist
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 21 Mar 2014 01:10:51 +0000 (21:10 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 30 Mar 2014 23:18:51 +0000 (19:18 -0400)
commit38129a13e6e71f666e0468e99fdd932a687b4d7e
tree438e817fdf7d224f9fda1186eb24b1bbc37a4b5ctree | snapshot
parent0b1b901b5a98bb36943d10820efc796f7cd45ff3commit | diff
switch mnt_hash to hlist

fixes RCU bug - walking through hlist is safe in face of element moves,
since it's self-terminating.  Cyclic lists are not - if we end up jumping
to another hash chain, we'll loop infinitely without ever hitting the
original list head.

[fix for dumb braino folded]

Spotted by: Max Kellermann <mk@cm4all.com>
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/mount.h diff | blob | history
fs/namespace.c diff | blob | history
fs/pnode.c diff | blob | history
fs/pnode.h diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;