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-rw-r--r--fs/btrfs/volumes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 3ad9d58d1b66..adcbb4e7b1a0 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -390,6 +390,7 @@ static inline enum btrfs_map_op btrfs_op(struct bio *bio)
return BTRFS_MAP_WRITE;
default:
WARN_ON_ONCE(1);
+ /* fall through */
case REQ_OP_READ:
return BTRFS_MAP_READ;
}