ext4: don't build the fsverity work handler for !CONFIG_FS_VERITY

Use IS_ENABLED to disable this code, leading to a slight size reduction:

   text	   data	    bss	    dec	    hex	filename
   4121	    376	     16	   4513	   11a1	fs/ext4/readpage.o.old
   4030	    328	     16	   4374	   1116	fs/ext4/readpage.o

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Link: https://lore.kernel.org/r/20260128152630.627409-4-hch@lst.de
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index e7f2350c725beb024fc3e22ac974074937b0f1dd..267594ef0b2cac519270eb017b03b843a28bc6cb 100644 (file)
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -130,7 +130,8 @@ static void bio_post_read_processing(struct bio_post_read_ctx *ctx)
                ctx->cur_step++;
                fallthrough;
        case STEP_VERITY:
-               if (ctx->enabled_steps & (1 << STEP_VERITY)) {
+               if (IS_ENABLED(CONFIG_FS_VERITY) &&
+                   ctx->enabled_steps & (1 << STEP_VERITY)) {
                        INIT_WORK(&ctx->work, verity_work);
                        fsverity_enqueue_verify_work(&ctx->work);
                        return;