Re: [PATCH v6 4/7] xfs: Support FS_XFLAG_ATOMICWRITES

[John Garry]

On 30/09/2024 13:54, John Garry wrote:
> @@ -352,11 +352,15 @@ xfs_sb_has_compat_feature(
>   #define XFS_SB_FEAT_RO_COMPAT_RMAPBT   (1 << 1)		/* reverse map btree */
>   #define XFS_SB_FEAT_RO_COMPAT_REFLINK  (1 << 2)		/* reflinked files */
>   #define XFS_SB_FEAT_RO_COMPAT_INOBTCNT (1 << 3)		/* inobt block counts */
> +#define XFS_SB_FEAT_RO_COMPAT_ATOMICWRITES (1 << 31)	/* atomicwrites enabled */
> +

BTW, Darrick, as you questioned previously, this does make xfs/270 
fail... until the change to a not use the top bit.

Thanks,
John