linux-ext4 - Re: [PATCH v2 23/29] ext4: Convert ext4_mpage

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230324222951.GA5083@sol.localdomain>
Date:   Fri, 24 Mar 2023 15:29:51 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     tytso@....edu, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v2 23/29] ext4: Convert ext4_mpage_readpages() to work on
 folios

On Fri, Mar 24, 2023 at 06:01:23PM +0000, Matthew Wilcox (Oracle) wrote:
>  		if (first_hole != blocks_per_page) {
> -			zero_user_segment(page, first_hole << blkbits,
> -					  PAGE_SIZE);
> +			folio_zero_segment(folio, first_hole << blkbits,
> +					  folio_size(folio));
>  			if (first_hole == 0) {
> -				if (ext4_need_verity(inode, page->index) &&
> -				    !fsverity_verify_page(page))
> +				if (ext4_need_verity(inode, folio->index) &&
> +				    !fsverity_verify_page(&folio->page))
>  					goto set_error_page;

This can use fsverity_verify_folio().

- Eric