ext4: don't use bdev->bd_super in __ext4_journal_get_write_access

__ext4_journal_get_write_access already has a super_block available,
and there is no need to go from that to the bdev to go back to the
owning super_block.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Message-Id: <20230807112625.652089-3-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 77f318e..b38d595 100644 (file)
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -234,8 +234,7 @@ int __ext4_journal_get_write_access(const char *where, unsigned int line,
 
        might_sleep();
 
-       if (bh->b_bdev->bd_super)
-               ext4_check_bdev_write_error(bh->b_bdev->bd_super);
+       ext4_check_bdev_write_error(sb);
 
        if (ext4_handle_valid(handle)) {
                err = jbd2_journal_get_write_access(handle, bh);