Unverified Commit e59e97d4 authored by Luis Chamberlain's avatar Luis Chamberlain Committed by Christian Brauner
Browse files

fs/buffer fs/mpage: remove large folio restriction 



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.

Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Reviewed-by: default avatar"Matthew Wilcox (Oracle)" <willy@infradead.org>
Signed-off-by: default avatarLuis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20250221223823.1680616-6-mcgrof@kernel.org


Reviewed-by: default avatarJohn Garry <john.g.garry@oracle.com>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 8b45a4f4

fs/buffer.c

+0 −2
Original line number Diff line number Diff line
@@ -2371,8 +2371,6 @@ 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;

fs/mpage.c

+0 −3
Original line number Diff line number Diff line
@@ -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;