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Message-Id: <20200728130437.7804-2-jack@suse.cz>
Date: Tue, 28 Jul 2020 15:04:32 +0200
From: Jan Kara <jack@...e.cz>
To: Ted Tso <tytso@....edu>
Cc: <linux-ext4@...r.kernel.org>, Jan Kara <jack@...e.cz>
Subject: [PATCH 1/6] ext4: Handle error of ext4_setup_system_zone() on remount
ext4_setup_system_zone() can fail. Handle the failure in ext4_remount().
Reviewed-by: Lukas Czerner <lczerner@...hat.com>
Signed-off-by: Jan Kara <jack@...e.cz>
---
fs/ext4/super.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 330957ed1f05..8e055ec57a2c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5653,7 +5653,10 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
ext4_register_li_request(sb, first_not_zeroed);
}
- ext4_setup_system_zone(sb);
+ err = ext4_setup_system_zone(sb);
+ if (err)
+ goto restore_opts;
+
if (sbi->s_journal == NULL && !(old_sb_flags & SB_RDONLY)) {
err = ext4_commit_super(sb, 1);
if (err)
--
2.16.4
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