linux-ext4 - Re: [PATCH 6/5] ext4: Call fsverity_verify

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Message-ID: <20230520010638.GA836@sol.localdomain>
Date:   Fri, 19 May 2023 18:06:38 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Ojaswin Mujoo <ojaswin@...ux.ibm.com>,
        Disha Goel <disgoel@...ux.ibm.com>,
        "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
Subject: Re: [PATCH 6/5] ext4: Call fsverity_verify_folio()

On Tue, May 16, 2023 at 08:27:13PM +0100, Matthew Wilcox (Oracle) wrote:
> Now that fsverity supports working on entire folios, call
> fsverity_verify_folio() instead of fsverity_verify_page()
> 
> Reported-by: Eric Biggers <ebiggers@...nel.org>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> ---
>  fs/ext4/readpage.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
> index 6f46823fba61..3e7d160f543f 100644
> --- a/fs/ext4/readpage.c
> +++ b/fs/ext4/readpage.c
> @@ -334,7 +334,7 @@ int ext4_mpage_readpages(struct inode *inode,
>  					  folio_size(folio));
>  			if (first_hole == 0) {
>  				if (ext4_need_verity(inode, folio->index) &&
> -				    !fsverity_verify_page(&folio->page))
> +				    !fsverity_verify_folio(folio))
>  					goto set_error_page;
>  				folio_mark_uptodate(folio);
>  				folio_unlock(folio);
> -- 

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

(Though I must mention that doing weird things like "PATCH 6/5" makes life hard
for scripts that operate on patch series...)

- Eric