[RFC 4/8] fs/buffer fs/mpage: remove large folio restriction

[Luis Chamberlain <mcgrof@kernel.org>]

Now that buffer-heads has been converted over to support large folios
we can remove the built-in VM_BUG_ON_FOLIO() checks which prevents
their use.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 fs/buffer.c | 2 --
 fs/mpage.c  | 3 ---
 2 files changed, 5 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index 818c9c5840fe..85471d2c0df9 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2377,8 +2377,6 @@ int block_read_full_folio(struct folio *folio, get_block_t *get_block)
 	if (IS_ENABLED(CONFIG_FS_VERITY) && IS_VERITY(inode))
 		limit = inode->i_sb->s_maxbytes;
 
-	VM_BUG_ON_FOLIO(folio_test_large(folio), folio);
-
 	head = folio_create_buffers(folio, inode, 0);
 	blocksize = head->b_size;
 
diff --git a/fs/mpage.c b/fs/mpage.c
index ff76600380ca..a71a4a0b34f4 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -170,9 +170,6 @@ static struct bio *do_mpage_readpage(struct mpage_readpage_args *args)
 	unsigned relative_block;
 	gfp_t gfp = mapping_gfp_constraint(folio->mapping, GFP_KERNEL);
 
-	/* MAX_BUF_PER_PAGE, for example */
-	VM_BUG_ON_FOLIO(folio_test_large(folio), folio);
-
 	if (args->is_readahead) {
 		opf |= REQ_RAHEAD;
 		gfp |= __GFP_NORETRY | __GFP_NOWARN;
-- 
2.43.0