btrfs: Convert page cache to XArray
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Acked-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index fd25e12..a65d144 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -437,9 +437,7 @@ static noinline int add_ra_bio_pages(struct inode *inode,
if (pg_index > end_index)
break;
- rcu_read_lock();
- page = radix_tree_lookup(&mapping->i_pages, pg_index);
- rcu_read_unlock();
+ page = xa_load(&mapping->i_pages, pg_index);
if (page && !xa_is_value(page)) {
misses++;
if (misses > 4)