Re: [PATCH 09/15] ceph: Use a folio in ceph_filemap_fault()

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On Fri, Aug 25, 2023 at 09:12:19PM +0100, Matthew Wilcox (Oracle) wrote:
> +++ b/fs/ceph/addr.c
> @@ -1608,29 +1608,30 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf)
>  		ret = VM_FAULT_SIGBUS;
>  	} else {
>  		struct address_space *mapping = inode->i_mapping;
> -		struct page *page;
> +		struct folio *folio;
>  
>  		filemap_invalidate_lock_shared(mapping);
> -		page = find_or_create_page(mapping, 0,
> +		folio = __filemap_get_folio(mapping, 0,
> +				FGP_LOCK|FGP_ACCESSED|FGP_CREAT,
>  				mapping_gfp_constraint(mapping, ~__GFP_FS));
> -		if (!page) {
> +		if (!folio) {

This needs to be "if (IS_ERR(folio))".  Meant to fix that but forgot.




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