Btrfs: added helper btrfs_next_item()
btrfs_next_item() makes the btrfs path point to the next item, crossing leaf boundaries if needed. Signed-off-by: Arne Jansen <sensille@gmx.net> Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
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@ -2482,6 +2482,13 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans,
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}
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int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
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int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
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static inline int btrfs_next_item(struct btrfs_root *root, struct btrfs_path *p)
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{
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++p->slots[0];
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if (p->slots[0] >= btrfs_header_nritems(p->nodes[0]))
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return btrfs_next_leaf(root, p);
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return 0;
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}
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int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
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int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
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int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf);
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int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf);
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void btrfs_drop_snapshot(struct btrfs_root *root,
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void btrfs_drop_snapshot(struct btrfs_root *root,
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