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Message-Id: <20250505225634.2688578-35-sashal@kernel.org>
Date: Mon, 5 May 2025 18:52:15 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Cc: Nicolas Bretz <bretznic@...il.com>,
Theodore Ts'o <tytso@....edu>,
Sasha Levin <sashal@...nel.org>,
adilger.kernel@...ger.ca,
linux-ext4@...r.kernel.org
Subject: [PATCH AUTOSEL 6.6 035/294] ext4: on a remount, only log the ro or r/w state when it has changed
From: Nicolas Bretz <bretznic@...il.com>
[ Upstream commit d7b0befd09320e3356a75cb96541c030515e7f5f ]
A user complained that a message such as:
EXT4-fs (nvme0n1p3): re-mounted UUID ro. Quota mode: none.
implied that the file system was previously mounted read/write and was
now remounted read-only, when it could have been some other mount
state that had changed by the "mount -o remount" operation. Fix this
by only logging "ro"or "r/w" when it has changed.
https://bugzilla.kernel.org/show_bug.cgi?id=219132
Signed-off-by: Nicolas Bretz <bretznic@...il.com>
Link: https://patch.msgid.link/20250319171011.8372-1-bretznic@gmail.com
Signed-off-by: Theodore Ts'o <tytso@....edu>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
fs/ext4/super.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 751c879271e05..3dcaf06ada364 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -6771,6 +6771,7 @@ static int ext4_reconfigure(struct fs_context *fc)
{
struct super_block *sb = fc->root->d_sb;
int ret;
+ bool old_ro = sb_rdonly(sb);
fc->s_fs_info = EXT4_SB(sb);
@@ -6782,9 +6783,9 @@ static int ext4_reconfigure(struct fs_context *fc)
if (ret < 0)
return ret;
- ext4_msg(sb, KERN_INFO, "re-mounted %pU %s. Quota mode: %s.",
- &sb->s_uuid, sb_rdonly(sb) ? "ro" : "r/w",
- ext4_quota_mode(sb));
+ ext4_msg(sb, KERN_INFO, "re-mounted %pU%s.",
+ &sb->s_uuid,
+ (old_ro != sb_rdonly(sb)) ? (sb_rdonly(sb) ? " ro" : " r/w") : "");
return 0;
}
--
2.39.5
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