Merge tag 'dm-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer: "Five stable fixes: - Two DM btree bufio buffer leak fixes that resolve reported BUG_ONs during DM thinp metadata close's dm_bufio_client_destroy(). - A DM thinp range discard fix to handle discarding a partially mapped range. - A DM thinp metadata snapshot fix to make sure the btree roots saved in the metadata snapshot are the most current. - A DM space map metadata refcounting fix that improves both DM thinp and DM cache metadata" * tag 'dm-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm btree: fix bufio buffer leaks in dm_btree_del() error path dm space map metadata: fix ref counting bug when bootstrapping a new space map dm thin metadata: fix bug when taking a metadata snapshot dm thin metadata: fix bug in dm_thin_remove_range() dm btree: fix leak of bufio-backed block in btree_split_sibling error path
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