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From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: LFS mode does not support ATGC
Date: Fri, 19 Aug 2022 16:53:09 -0700	[thread overview]
Message-ID: <YwAiZTYkFi/EP/Ls@google.com> (raw)
In-Reply-To: <20220811225454.2125297-1-jaegeuk@kernel.org>

ATGC is using SSR which violates LFS mode used by zoned device.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

 Change log from v1:
  - check LFS mode

 fs/f2fs/super.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 2451623c05a7..fe462484f5fa 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1342,6 +1342,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 		return -EINVAL;
 	}
 
+	if (test_opt(sbi, ATGC) && f2fs_lfs_mode(sbi)) {
+		f2fs_err(sbi, "LFS not compatible with ATGC");
+		return -EINVAL;
+	}
+
 	if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) {
 		f2fs_err(sbi, "Allow to mount readonly mode only");
 		return -EROFS;
-- 
2.37.1.595.g718a3a8f04-goog



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WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [PATCH v2] f2fs: LFS mode does not support ATGC
Date: Fri, 19 Aug 2022 16:53:09 -0700	[thread overview]
Message-ID: <YwAiZTYkFi/EP/Ls@google.com> (raw)
In-Reply-To: <20220811225454.2125297-1-jaegeuk@kernel.org>

ATGC is using SSR which violates LFS mode used by zoned device.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

 Change log from v1:
  - check LFS mode

 fs/f2fs/super.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 2451623c05a7..fe462484f5fa 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1342,6 +1342,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 		return -EINVAL;
 	}
 
+	if (test_opt(sbi, ATGC) && f2fs_lfs_mode(sbi)) {
+		f2fs_err(sbi, "LFS not compatible with ATGC");
+		return -EINVAL;
+	}
+
 	if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) {
 		f2fs_err(sbi, "Allow to mount readonly mode only");
 		return -EROFS;
-- 
2.37.1.595.g718a3a8f04-goog


  parent reply	other threads:[~2022-08-19 23:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-11 22:54 [f2fs-dev] [PATCH] f2fs: zoned device does not support ATGC Jaegeuk Kim
2022-08-11 22:54 ` Jaegeuk Kim
2022-08-15  3:38 ` [f2fs-dev] " Chao Yu
2022-08-15  3:38   ` Chao Yu
2022-08-19 23:53 ` Jaegeuk Kim [this message]
2022-08-19 23:53   ` [PATCH v2] f2fs: LFS mode " Jaegeuk Kim
2022-08-20  2:31   ` [f2fs-dev] " Chao Yu
2022-08-20  2:31     ` Chao Yu

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