Commit acc3c879 authored by Chaitanya Kulkarni's avatar Chaitanya Kulkarni Committed by Jens Axboe
Browse files

null_blk: use kmap_local_page() and kunmap_local() 



Replace the deprecated API kmap_atomic() and kunmap_atomic() with
kmap_local_page() and kunmap_local() in null_flush_cache_page().

Signed-off-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20230330184926.64209-2-kch@nvidia.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent fbb5615f

drivers/block/null_blk/main.c

+4 −4
Original line number Diff line number Diff line
@@ -1030,8 +1030,8 @@ static int null_flush_cache_page(struct nullb *nullb, struct nullb_page *c_page) 
	if (!t_page)

		return -ENOMEM;



	src = kmap_atomic(c_page->page);

	dst = kmap_atomic(t_page->page);

	src = kmap_local_page(c_page->page);

	dst = kmap_local_page(t_page->page);



	for (i = 0; i < PAGE_SECTORS;

			i += (nullb->dev->blocksize >> SECTOR_SHIFT)) {
@@ -1043,8 +1043,8 @@ static int null_flush_cache_page(struct nullb *nullb, struct nullb_page *c_page) 
		}

	}



	kunmap_atomic(dst);

	kunmap_atomic(src);

	kunmap_local(dst);

	kunmap_local(src);



	ret = radix_tree_delete_item(&nullb->dev->cache, idx, c_page);

	null_free_page(ret);