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Message-Id: <E1pOydY-007zgU-U2@formenos.hmeau.com>
Date:   Mon, 06 Feb 2023 18:22:12 +0800
From:   "Herbert Xu" <herbert@...dor.apana.org.au>
To:     Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>, dm-devel@...hat.com,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        Tyler Hicks <code@...icks.com>, ecryptfs@...r.kernel.org,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        linux-bluetooth@...r.kernel.org,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Jon Maloy <jmaloy@...hat.com>,
        Ying Xue <ying.xue@...driver.com>,
        Boris Pismenny <borisp@...dia.com>,
        John Fastabend <john.fastabend@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jarkko Sakkinen <jarkko@...nel.org>, keyrings@...r.kernel.org
Subject: [PATCH 1/17] dm: Add scaffolding to change completion function signature

This patch adds temporary scaffolding so that the Crypto API
completion function can take a void * instead of crypto_async_request.
Once affected users have been converted this can be removed.

Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
---

 drivers/md/dm-crypt.c     |    8 +++-----
 drivers/md/dm-integrity.c |    4 ++--
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 2653516bcdef..7609fe39ab8c 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1458,8 +1458,7 @@ static int crypt_convert_block_skcipher(struct crypt_config *cc,
 	return r;
 }
 
-static void kcryptd_async_done(struct crypto_async_request *async_req,
-			       int error);
+static void kcryptd_async_done(crypto_completion_data_t *async_req, int error);
 
 static int crypt_alloc_req_skcipher(struct crypt_config *cc,
 				     struct convert_context *ctx)
@@ -2147,10 +2146,9 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io)
 	crypt_dec_pending(io);
 }
 
-static void kcryptd_async_done(struct crypto_async_request *async_req,
-			       int error)
+static void kcryptd_async_done(crypto_completion_data_t *data, int error)
 {
-	struct dm_crypt_request *dmreq = async_req->data;
+	struct dm_crypt_request *dmreq = crypto_get_completion_data(data);
 	struct convert_context *ctx = dmreq->ctx;
 	struct dm_crypt_io *io = container_of(ctx, struct dm_crypt_io, ctx);
 	struct crypt_config *cc = io->cc;
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 1388ee35571e..eefe25ed841e 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -955,9 +955,9 @@ static void xor_journal(struct dm_integrity_c *ic, bool encrypt, unsigned sectio
 	async_tx_issue_pending_all();
 }
 
-static void complete_journal_encrypt(struct crypto_async_request *req, int err)
+static void complete_journal_encrypt(crypto_completion_data_t *data, int err)
 {
-	struct journal_completion *comp = req->data;
+	struct journal_completion *comp = crypto_get_completion_data(data);
 	if (unlikely(err)) {
 		if (likely(err == -EINPROGRESS)) {
 			complete(&comp->ic->crypto_backoff);

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