Commit 8b7d3fe9 authored by Eric Biggers's avatar Eric Biggers
Browse files

fs/buffer.c: use b_folio for fsverity work 

Use b_folio now that it exists.  This removes an unnecessary call to
compound_head().  No actual change in behavior.

Link: https://lore.kernel.org/r/20230224232530.98440-1-ebiggers@kernel.org


Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
parent 197b6b60

fs/buffer.c

+4 −5
Original line number Diff line number Diff line
@@ -308,20 +308,19 @@ static void verify_bh(struct work_struct *work) 
	struct buffer_head *bh = ctx->bh;

	bool valid;



	valid = fsverity_verify_blocks(page_folio(bh->b_page), bh->b_size,

				       bh_offset(bh));

	valid = fsverity_verify_blocks(bh->b_folio, bh->b_size, bh_offset(bh));

	end_buffer_async_read(bh, valid);

	kfree(ctx);

}



static bool need_fsverity(struct buffer_head *bh)

{

	struct page *page = bh->b_page;

	struct inode *inode = page->mapping->host;

	struct folio *folio = bh->b_folio;

	struct inode *inode = folio->mapping->host;



	return fsverity_active(inode) &&

		/* needed by ext4 */

		page->index < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);

		folio->index < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);

}



static void decrypt_bh(struct work_struct *work)