Hello, This is repost of the second half of the series originally posted here [1]. I'm reposting just this part because Ted has already picked up first 7 patches. Changes since v1: * Added missed bdev_read_only() check spotted by Harshad * Added one more fix and one more cleanup for related problems noticed by Andreas Honza [1] https://lore.kernel.org/linux-ext4/20201127113405.26867-1-jack@xxxxxxx/