We removed all codepaths where s_umount is taken beneath open_mutex and
bd_holder_lock so don't make things more complicated than they need to
be and hold s_umount over block device opening.
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
fs/ext4/super.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index d43f8324242a..e94df97ea440 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5855,11 +5855,8 @@ static struct bdev_handle *ext4_get_journal_blkdev(struct super_block *sb,
struct ext4_super_block *es;
int errno;
- /* see get_tree_bdev why this is needed and safe */
- up_write(&sb->s_umount);
bdev_handle = bdev_open_by_dev(j_dev, BLK_OPEN_READ | BLK_OPEN_WRITE,
sb, &fs_holder_ops);
- down_write(&sb->s_umount);
if (IS_ERR(bdev_handle)) {
ext4_msg(sb, KERN_ERR,
"failed to open journal device unknown-block(%u,%u) %ld",
--
2.34.1
