Re: [PATCH] ext4: remove unneeded check of nr_to_submit

From: Eric Biggers
Date: Fri Mar 17 2023 - 00:58:48 EST


On Thu, Mar 16, 2023 at 04:48:31PM -0400, Tom Rix wrote:
> cppcheck reports
> fs/ext4/page-io.c:516:51: style:
> Condition 'nr_to_submit' is always true [knownConditionTrueFalse]
> if (fscrypt_inode_uses_fs_layer_crypto(inode) && nr_to_submit) {
> ^
> This earlier check to bail, makes this check unncessary
> /* Nothing to submit? Just unlock the page... */
> if (!nr_to_submit)
> return 0;
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

Maybe add:

Fixes: dff4ac75eeee ("ext4: move keep_towrite handling to ext4_bio_write_page()")

Either way, looks good to me.

Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx>

- Eric