[PATCH next] Btrfs: fix comparison in __btrfs_map_block()

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Add missing comparison to op in expression, which was forgotten when doing
the REQ_OP transition.

Fixes: b3d3fa519905 ("btrfs: update __btrfs_map_block for REQ_OP transition")
Signed-off-by: Vincent Stehlé <vincent.stehle@xxxxxxxxx>
Cc: Mike Christie <mchristi@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxx>
---


Hi,

I saw that issue in linux next.

Not sure if it is too late to squash the fix with commit b3d3fa519905 or
not...

Best regards,

Vincent.


 fs/btrfs/volumes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index a69203a..6ee1e36 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -5533,7 +5533,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op,
 		}
 
 	} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {
-		if (op == REQ_OP_WRITE || REQ_OP_DISCARD ||
+		if (op == REQ_OP_WRITE || op == REQ_OP_DISCARD ||
 		    op == REQ_GET_READ_MIRRORS) {
 			num_stripes = map->num_stripes;
 		} else if (mirror_num) {
-- 
2.8.1

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