[dm-cache, mq policy] comment out some code that was preventing complete writeback.
Merge remote branch 'ejt/thin-dev' into thin-dev
Merge branch 'thin-dev' into thin-dev-bcache
bcache: Sparse fixes

Signed-off-by: Kent Overstreet <koverstreet@google.com>
bcache: Add missing #include <linux/prefetch.h>

m68k/allmodconfig:

drivers/md/bcache/bset.c: In function ‘bset_search_tree’:
drivers/md/bcache/bset.c:727: error: implicit declaration of function ‘prefetch’

drivers/md/bcache/btree.c: In function ‘bch_btree_node_get’:
drivers/md/bcache/btree.c:933: error: implicit declaration of function ‘prefetch’

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
bcache: Use WARN_ONCE() instead of __WARN()

Signed-off-by: Kent Overstreet <koverstreet@google.com>
bcache: Documentation updates

Signed-off-by: Kent Overstreet <koverstreet@google.com>
bcache: Fix a minor memory leak on device teardown

Reported-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
bcache: Fix a format string overflow

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
bcache: Disable broken btree fuzz tester

Reported-by: <sasha.levin@oracle.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>