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authorAl Viro <viro@zeniv.linux.org.uk>2014-03-21 05:10:51 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-03-31 03:18:51 +0400
commit38129a13e6e71f666e0468e99fdd932a687b4d7e (patch)
tree438e817fdf7d224f9fda1186eb24b1bbc37a4b5c /fs/mbcache.c
parent0b1b901b5a98bb36943d10820efc796f7cd45ff3 (diff)
downloadlinux-38129a13e6e71f666e0468e99fdd932a687b4d7e.tar.xz
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>
Diffstat (limited to 'fs/mbcache.c')
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