Hi all,
On Mon, 26 Jun 2023 13:09:51 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> 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;
> }
> }
This is now a conflict between the ext4 tree and Linus' tree.
--
Cheers,
Stephen Rothwell
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