linux-kernel - linux-next: manual merge of the block tree with the ext4 tree

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Message-ID: <20230626130951.54c4254a@canb.auug.org.au>
Date:   Mon, 26 Jun 2023 13:09:51 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Jens Axboe <axboe@...nel.dk>, Theodore Ts'o <tytso@....edu>
Cc:     Christoph Hellwig <hch@....de>, Jan Kara <jack@...e.cz>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Zhihao Cheng <chengzhihao1@...wei.com>
Subject: linux-next: manual merge of the block tree with the ext4 tree

Hi all,

Today's linux-next merge of the block tree got a conflict in:

  fs/ext4/super.c

between commit:

  ffea255f4052 ("ext4: Fix reusing stale buffer heads from last failed mounting")

from the ext4 tree and commits:

  2736e8eeb0cc ("block: use the holder as indication for exclusive opens")
  a42fb5a75ccc ("ext4: Fix warning in blkdev_put()")

from the block tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc fs/ext4/super.c
index b3819e70093e,64342adcd679..000000000000
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@@ -1128,13 -1133,7 +1133,13 @@@ static void ext4_blkdev_remove(struct e
  	struct block_device *bdev;
  	bdev = sbi->s_journal_bdev;
  	if (bdev) {
 +		/*
 +		 * Invalidate the journal device's buffers.  We don't want them
 +		 * floating about in memory - the physical journal device may
 +		 * hotswapped, and it breaks the `ro-after' testing code.
 +		 */
 +		invalidate_bdev(bdev);
- 		ext4_blkdev_put(bdev);
+ 		blkdev_put(bdev, sbi->s_sb);
  		sbi->s_journal_bdev = NULL;
  	}
  }

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