diff options
| author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2024-08-14 12:19:29 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:14 -0700 |
| commit | 19138a2cc1ad82b74fb720411a2054db0522be2d (patch) | |
| tree | c29f3a7e2a592d3f4fb122c137ff21498e8ad3ac /lib/maple_tree.c | |
| parent | bd164d81a767f33c30d5c5b50b775631699ee976 (diff) | |
maple_tree: introduce mas_wr_prealloc_setup()
Introduce a helper function, mas_wr_prealoc_setup(), that will set up a
maple write state in order to start a walk of a maple tree.
Link: https://lkml.kernel.org/r/20240814161944.55347-3-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/maple_tree.c')
| -rw-r--r-- | lib/maple_tree.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 884e2d130876..407c0be6e42f 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -5399,6 +5399,13 @@ reset: mas_reset(wr_mas->mas); } +static inline void mas_wr_prealloc_setup(struct ma_wr_state *wr_mas) +{ + struct ma_state *mas = wr_mas->mas; + + mas_wr_store_setup(wr_mas); + wr_mas->content = mas_start(mas); +} /* Interface */ /** @@ -5509,8 +5516,7 @@ int mas_preallocate(struct ma_state *mas, void *entry, gfp_t gfp) if (unlikely(!mas->index && mas->last == ULONG_MAX)) goto ask_now; - mas_wr_store_setup(&wr_mas); - wr_mas.content = mas_start(mas); + mas_wr_prealloc_setup(&wr_mas); /* Root expand */ if (unlikely(mas_is_none(mas) || mas_is_ptr(mas))) goto ask_now; |