Commit a959a174 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by David Sterba
Browse files

btrfs: don't clear page->mapping in btrfs_free_compressed_pages 



No one ever set ->mapping on these pages, so don't bother clearing it.

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 32586c5b

fs/btrfs/compression.c

+2 −6
Original line number Diff line number Diff line
@@ -161,12 +161,8 @@ static int compression_decompress(int type, struct list_head *ws, 


static void btrfs_free_compressed_pages(struct compressed_bio *cb)

{

	for (unsigned int i = 0; i < cb->nr_pages; i++) {

		struct page *page = cb->compressed_pages[i];



		page->mapping = NULL;

		put_page(page);

	}

	for (unsigned int i = 0; i < cb->nr_pages; i++)

		put_page(cb->compressed_pages[i]);

	kfree(cb->compressed_pages);

}