On Wed, Jan 31, 2018 at 04:57:09PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> We don't support realtime filesystems with reflink either, so fail
> those mounts.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Bill O'Donnell <billodo@xxxxxxxxxx>
> ---
> fs/xfs/xfs_super.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> index a83a9f0..7aba628 100644
> --- a/fs/xfs/xfs_super.c
> +++ b/fs/xfs/xfs_super.c
> @@ -1684,6 +1684,13 @@ xfs_fs_fill_super(
> }
> }
>
> + if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) {
> + xfs_alert(mp,
> + "reflink not compatible with realtime device!");
> + error = -EINVAL;
> + goto out_filestream_unmount;
> + }
> +
> if (xfs_sb_version_hasrmapbt(&mp->m_sb) && mp->m_sb.sb_rblocks) {
> xfs_alert(mp,
> "reverse mapping btree not compatible with realtime device!");
> --
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