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Date: Mon, 18 Apr 2022 14:33:12 +0800 From: Fengnan Chang <changfengnan@...o.com> To: jaegeuk@...nel.org, chao@...nel.org, tytso@....edu, adilger.kernel@...ger.ca, axboe@...nel.dk Cc: linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org, linux-block@...r.kernel.org, Fengnan Chang <changfengnan@...o.com> Subject: [PATCH 3/3] ext4: notify when device not supprt inlinecrypt Notify when mount filesystem with -o inlinecrypt option, but the device not support inlinecrypt. Signed-off-by: Fengnan Chang <changfengnan@...o.com> --- fs/ext4/super.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 81749eaddf4c..f91454d3a877 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -48,6 +48,7 @@ #include <linux/fsnotify.h> #include <linux/fs_context.h> #include <linux/fs_parser.h> +#include <linux/blk-crypto.h> #include "ext4.h" #include "ext4_extents.h" /* Needed for trace points definition */ @@ -5466,6 +5467,17 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb) "the device does not support discard"); } +#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT + if (sb->s_flags & SB_INLINECRYPT) { + struct request_queue *q = bdev_get_queue(sb->s_bdev); + + if (!blk_crypto_supported(q)) { + ext4_msg(sb, KERN_WARNING, + "mounting with \"inlinecrypt\" option, but the device does not support inlinecrypt"); + sb->s_flags &= ~SB_INLINECRYPT; + } + } +#endif + if (es->s_error_count) mod_timer(&sbi->s_err_report, jiffies + 300*HZ); /* 5 minutes */ -- 2.32.0
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