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| author | Michael Lyle <mlyle@lyle.org> | 2018-01-09 20:13:23 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-01-09 20:18:51 +0100 |
| commit | 3609c471a1b86bffc812d8a2f0299892aa11a5e6 (patch) | |
| tree | 66b1d3caea30ae69cca99d25289633867758f659 | |
| parent | block: Fix kernel-doc warnings reported when building with W=1 (diff) | |
| download | linux-3609c471a1b86bffc812d8a2f0299892aa11a5e6.tar.xz linux-3609c471a1b86bffc812d8a2f0299892aa11a5e6.zip | |
bcache: closures: move control bits one bit right
Otherwise, architectures that do negated adds of atomics (e.g. s390)
to do atomic_sub fail in closure_set_stopped.
Signed-off-by: Michael Lyle <mlyle@lyle.org>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/md/bcache/closure.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index 392a87cf1b92..3b9dfc9962ad 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -127,10 +127,10 @@ enum closure_state { * annotate where references are being transferred. */ - CLOSURE_BITS_START = (1U << 27), - CLOSURE_DESTRUCTOR = (1U << 27), - CLOSURE_WAITING = (1U << 29), - CLOSURE_RUNNING = (1U << 31), + CLOSURE_BITS_START = (1U << 26), + CLOSURE_DESTRUCTOR = (1U << 26), + CLOSURE_WAITING = (1U << 28), + CLOSURE_RUNNING = (1U << 30), }; #define CLOSURE_GUARD_MASK \ |