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path: root/fs/ext4/ext4_jbd2.c
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Diffstat (limited to 'fs/ext4/ext4_jbd2.c')
-rw-r--r--fs/ext4/ext4_jbd2.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index b38d59581411..d1a2e6624401 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -67,11 +67,12 @@ static int ext4_journal_check_start(struct super_block *sb)
might_sleep();
- if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
+ if (unlikely(ext4_forced_shutdown(sb)))
return -EIO;
- if (sb_rdonly(sb))
+ if (WARN_ON_ONCE(sb_rdonly(sb)))
return -EROFS;
+
WARN_ON(sb->s_writers.frozen == SB_FREEZE_COMPLETE);
journal = EXT4_SB(sb)->s_journal;
/*