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-rw-r--r--fs/ext4/super.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 486a641ca71..463b52b32a0 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2419,6 +2419,22 @@ static int ext4_remount (struct super_block * sb, int * flags, char * data)
err = -EROFS;
goto restore_opts;
}
+
+ /*
+ * If we have an unprocessed orphan list hanging
+ * around from a previously readonly bdev mount,
+ * require a full umount/remount for now.
+ */
+ if (es->s_last_orphan) {
+ printk(KERN_WARNING "EXT4-fs: %s: couldn't "
+ "remount RDWR because of unprocessed "
+ "orphan inode list. Please "
+ "umount/remount instead.\n",
+ sb->s_id);
+ err = -EINVAL;
+ goto restore_opts;
+ }
+
/*
* Mounting a RDONLY partition read-write, so reread
* and store the current valid flag. (It may have