Commit 0a943c65 authored by Matthew Wilcox's avatar Matthew Wilcox

btrfs: Convert page cache to XArray

Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
Acked-by: default avatarDavid Sterba <dsterba@suse.com>
parent 7f4446ee
......@@ -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)
......
......@@ -5153,11 +5153,9 @@ void clear_extent_buffer_dirty(struct extent_buffer *eb)
clear_page_dirty_for_io(page);
xa_lock_irq(&page->mapping->i_pages);
if (!PageDirty(page)) {
radix_tree_tag_clear(&page->mapping->i_pages,
page_index(page),
PAGECACHE_TAG_DIRTY);
}
if (!PageDirty(page))
__xa_clear_mark(&page->mapping->i_pages,
page_index(page), PAGECACHE_TAG_DIRTY);
xa_unlock_irq(&page->mapping->i_pages);
ClearPageError(page);
unlock_page(page);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment