[PATCH] Btrfs: insert_new_root: Fix lock type of the extent buffer.

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btrfs_alloc_tree_block() returns an extent buffer on which a blocked lock has
been taken. Hence assign the appropriate value to path->locks[level].

Signed-off-by: Chandan Rajendra <chandan@xxxxxxxxxxxxxxxxxx>
---
 fs/btrfs/ctree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 14a72ed..1747aa6 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -3383,7 +3383,7 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
 	add_root_to_dirty_list(root);
 	extent_buffer_get(c);
 	path->nodes[level] = c;
-	path->locks[level] = BTRFS_WRITE_LOCK;
+	path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;
 	path->slots[level] = 0;
 	return 0;
 }
-- 
2.1.0

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