Re: [PATCH 3/6] xfs: Block writes to log device

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On Tue, Jul 04, 2023 at 02:56:51PM +0200, Jan Kara wrote:
> Ask block layer to not allow other writers to open block device used
> for xfs log.

"...for the xfs log and realtime devices."

With that fixed,
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>

--D


> Signed-off-by: Jan Kara <jack@xxxxxxx>
> ---
>  fs/xfs/xfs_super.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> index b0fbf8ea7846..3808b4507552 100644
> --- a/fs/xfs/xfs_super.c
> +++ b/fs/xfs/xfs_super.c
> @@ -396,8 +396,9 @@ xfs_blkdev_get(
>  {
>  	int			error = 0;
>  
> -	*handlep = blkdev_get_by_path(name, BLK_OPEN_READ | BLK_OPEN_WRITE,
> -				      mp, &xfs_holder_ops);
> +	*handlep = blkdev_get_by_path(name,
> +			BLK_OPEN_READ | BLK_OPEN_WRITE | BLK_OPEN_BLOCK_WRITES,
> +			mp, &xfs_holder_ops);
>  	if (IS_ERR(*handlep)) {
>  		error = PTR_ERR(*handlep);
>  		xfs_warn(mp, "Invalid device [%s], error=%d", name, error);
> -- 
> 2.35.3
> 



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