As part of the struct page cleanups underway, we want to remove as much
usage of page->mapping and page->index as possible, as frequently they
are known from context.
In the brd code, we're never actually reading from page->index except in
assertions, so references to it can be safely deleted.
Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
---
drivers/block/brd.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 58ec167aa0..0a55aed832 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -72,8 +72,6 @@ static struct page *brd_lookup_page(struct brd_device *brd, sector_t sector)
page = radix_tree_lookup(&brd->brd_pages, idx);
rcu_read_unlock();
- BUG_ON(page && page->index != idx);
-
return page;
}
@@ -108,12 +106,10 @@ static struct page *brd_insert_page(struct brd_device *brd, sector_t sector)
spin_lock(&brd->brd_lock);
idx = sector >> PAGE_SECTORS_SHIFT;
- page->index = idx;
if (radix_tree_insert(&brd->brd_pages, idx, page)) {
__free_page(page);
page = radix_tree_lookup(&brd->brd_pages, idx);
BUG_ON(!page);
- BUG_ON(page->index != idx);
} else {
brd->brd_nr_pages++;
}
--
2.33.0
