[PATCH 2/4] ext4: don't use bdev->bd_super in __ext4_journal_get_write_access

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__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@xxxxxx>
---
 fs/ext4/ext4_jbd2.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 77f318ec8abb78..b38d59581411c0 100644
--- 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);
-- 
2.39.2




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