linux-kernel - [PATCH] f2fs: zoned device does not support ATGC

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Date:   Thu, 11 Aug 2022 15:54:54 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH] f2fs: zoned device does not support ATGC

ATGC is using SSR which violates zoned device.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/super.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 2451623c05a7..212ec2b4926b 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1298,6 +1298,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 			F2FS_OPTION(sbi).discard_unit =
 					DISCARD_UNIT_SECTION;
 		}
+		if (test_opt(sbi, ATGC)) {
+			f2fs_err(sbi, "Zoned block device doesn't support ATGC.");
+			return -EINVAL;
+		}
 	}
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
-- 
2.37.1.559.g78731f0fdb-goog