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 r78q0DxL 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This means the store type must be already set. We can then > remove the call to mas_wr_store_type() and initialize the write state to > continue the partial walk that was done when determining the store type. > > Signed-off-by: Sidhartha Kumar > --- > lib/maple_tree.c | 18 +++++++++++++----- > 1 file changed, 13 insertions(+), 5 deletions(-) > > diff --git a/lib/maple_tree.c b/lib/maple_tree.c > index 3d334e7c19a5..5854f25a4ae5 100644 > --- a/lib/maple_tree.c > +++ b/lib/maple_tree.c > @@ -4027,9 +4027,6 @@ static inline void mas_wr_end_piv(struct ma_wr_state *wr_mas) > wr_mas->end_piv = wr_mas->pivots[wr_mas->offset_end]; > else > wr_mas->end_piv = wr_mas->mas->max; > - > - if (!wr_mas->entry) > - mas_wr_extend_null(wr_mas); > } > > static inline unsigned char mas_wr_new_end(struct ma_wr_state *wr_mas) > @@ -5598,12 +5595,23 @@ void mas_store_prealloc(struct ma_state *mas, void *entry) > { > MA_WR_STATE(wr_mas, mas, entry); > > - mas_wr_prealloc_setup(&wr_mas); > - mas_wr_store_type(&wr_mas); > + if (mas->store_type == wr_store_root) { > + mas_wr_prealloc_setup(&wr_mas); > + goto store; > + } > + > + mas_wr_walk_descend(&wr_mas); > + if (mas->store_type != wr_spanning_store) { > + /* set wr_mas->content to current slot */ > + wr_mas.content = mas_slot_locked(mas, wr_mas.slots, mas->offset); > + mas_wr_end_piv(&wr_mas); > + } > +store: > trace_ma_write(__func__, mas, 0, entry); > mas_wr_store_entry(&wr_mas); > MAS_WR_BUG_ON(&wr_mas, mas_is_err(mas)); > mas_destroy(mas); > + nit, this new line should probably be before the "store" label? > } > EXPORT_SYMBOL_GPL(mas_store_prealloc); > > -- > 2.45.2 >