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Commit c42ac0bc authored by Filipe David Borba Manana's avatar Filipe David Borba Manana Committed by Chris Mason
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Btrfs: add missing extent state caching calls 



When we didn't find a matching extent state, we inserted a new one
but didn't cache it in the **cached_state parameter, which makes a
subsequent call do a tree lookup to get it.

Signed-off-by: default avatarFilipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 32193c14

fs/btrfs/extent_io.c

+3 −1
Original line number Diff line number Diff line
@@ -817,6 +817,7 @@ __set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, 
		if (err)

			extent_io_tree_panic(tree, err);



		cache_state(prealloc, cached_state);

		prealloc = NULL;

		goto out;

	}
@@ -1040,9 +1041,10 @@ int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, 
			goto out;

		}

		err = insert_state(tree, prealloc, start, end, &bits);

		prealloc = NULL;

		if (err)

			extent_io_tree_panic(tree, err);

		cache_state(prealloc, cached_state);

		prealloc = NULL;

		goto out;

	}

	state = rb_entry(node, struct extent_state, rb_node);