Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Fengnan Chang <changfengnan@vivo.com>
To:     jaegeuk@kernel.org, chao@kernel.org, tytso@mit.edu,
        adilger.kernel@dilger.ca, axboe@kernel.dk
Cc:     linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org,
        linux-block@vger.kernel.org, Fengnan Chang <changfengnan@vivo.com>
Subject: [PATCH 2/3] f2fs: notify when device not supprt inlinecrypt
Date:   Mon, 18 Apr 2022 14:33:11 +0800
Message-Id: <20220418063312.63181-2-changfengnan@vivo.com>
In-Reply-To: <20220418063312.63181-1-changfengnan@vivo.com>
References: <20220418063312.63181-1-changfengnan@vivo.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: J8oDQzLinSzH34kT5ZZfzh/fKh65Sc0S97Tk74OLvLfb+iZQsQSRswsv1V8lMUsn1rvT+sLNVpvuwxgTKwKj+WlG7Je+zWYQx8dQm2uu/wpVSPZCdjMJpKQyLeT248+bn9I7B3OnMwDMa8nughkyrP49giYM21lJu/xkhe5wvKjJAhPLKlJo12+E3uUlU5YAPR+yX0G3tvGHHVLgCRDcz3utdVEnNy6hwiamCgEcCix+QKU1HcnSjOUbGKkUDaOMHLUUzzk2spvtxuuv3wV2SysCQrZAkuXGH1gmUrYifIn1oe213VlmadfLUOUfVH1rueVkXMyShgcueb4qk2fBpYDyE2UlAvEjbAFlnP/o08IbxVw2D8ZDM+MtB+rVWUBRBCx2OY/lZbfihNKVNUgmON2iqENkozSTsuxa31eb9T4=
X-OriginatorOrg: vivo.com
X-MS-Exchange-CrossTenant-Network-Message-Id: f7ae8274-cc36-42b5-6484-08da21055c35
X-MS-Exchange-CrossTenant-AuthSource: KL1PR0601MB4003.apcprd06.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Apr 2022 06:33:33.3933
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: cmjQnIiSY6fHahzpF7EZobAqR5W0d2ng5187BYmwweQHOPXjQZPH/ygyei15LPM0Z23rQmhhTFGy+9OHz1ZqOQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SG2PR06MB3095
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,
        T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-ext4.vger.kernel.org>
X-Mailing-List: linux-ext4@vger.kernel.org

Notify when mount filesystem with -o inlinecrypt option, but the device
not support inlinecrypt.

Signed-off-by: Fengnan Chang <changfengnan@vivo.com>
---
 fs/f2fs/f2fs.h  | 18 ++++++++++++++++++
 fs/f2fs/super.c |  7 +++++++
 2 files changed, 25 insertions(+)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 38cbed0f544e..dc27a708c283 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -27,6 +27,7 @@
 
 #include <linux/fscrypt.h>
 #include <linux/fsverity.h>
+#include <linux/blk-crypto.h>
 
 struct pagevec;
 
@@ -4395,6 +4396,23 @@ static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
 					f2fs_hw_should_discard(sbi);
 }
 
+#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
+static inline bool f2fs_hw_support_crypto(struct f2fs_sb_info *sbi)
+{
+	int i;
+
+	if (!f2fs_is_multi_device(sbi))
+		if (!blk_crypto_supported(bdev_get_queue(sbi->sb->s_bdev)))
+			return false;
+
+	for (i = 0; i < sbi->s_ndevs; i++)
+		if (!blk_crypto_supported(bdev_get_queue(FDEV(i).bdev)))
+			return false;
+
+	return true;
+}
+#endif
+
 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
 {
 	int i;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 4368f90571bd..624d8791b82d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1275,6 +1275,13 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 	}
 #endif
 
+#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
+	if ((sb->s_flags & SB_INLINECRYPT) && !f2fs_hw_support_crypto(sbi)) {
+		f2fs_info(sbi, "mounting with \"inlinecrypt\" option, but the device does not support inlinecrypt");
+		sb->s_flags &= ~SB_INLINECRYPT;
+	}
+#endif
+
 	if (F2FS_IO_SIZE_BITS(sbi) && !f2fs_lfs_mode(sbi)) {
 		f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO",
 			 F2FS_IO_SIZE_KB(sbi));
-- 
2.32.0