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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2013-03-27 14:08:49 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-03-28 10:10:26 -0600 |
| commit | 0b6ef4164f50698eee536903d69d086add1a7889 (patch) | |
| tree | a11a8b93ed9170efb87e38bb4f784ffddefcc52c /drivers/block/drbd | |
| parent | 3990e04df085e0561ab34f84731dc5929585c526 (diff) | |
| download | linux-0b6ef4164f50698eee536903d69d086add1a7889.tar.gz linux-0b6ef4164f50698eee536903d69d086add1a7889.tar.xz | |
drbd: fix if(); found by kbuild test robot
Recently introduced al_begin_io_nonblock() was returning -EBUSY,
even when it should return -EWOULDBLOCK.
Impact:
A few spurious wake_up() calls in prepare_al_transaction_nonblock().
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_actlog.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 6afe173d5c2b..6608076dc39e 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -389,7 +389,7 @@ int drbd_al_begin_io_nonblock(struct drbd_conf *mdev, struct drbd_interval *i) if (unlikely(tmp != NULL)) { struct bm_extent *bm_ext = lc_entry(tmp, struct bm_extent, lce); if (test_bit(BME_NO_WRITES, &bm_ext->flags)) { - if (!test_and_set_bit(BME_PRIORITY, &bm_ext->flags)); + if (!test_and_set_bit(BME_PRIORITY, &bm_ext->flags)) return -EBUSY; return -EWOULDBLOCK; } |