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fs/buffer fs/mpage: remove large folio restriction

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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: Hannes Reinecke <hare@suse.de>
Reviewed-by: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20250221223823.1680616-6-mcgrof@kernel.org
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Luis Chamberlain 2025-02-21 14:38:20 -08:00 committed by Christian Brauner
parent 8b45a4f413
commit e59e97d42b
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2 changed files with 0 additions and 5 deletions
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2
fs/buffer.c
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@ -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;

3
fs/mpage.c
View File

@ -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;