xfs: disable FITRIM for zoned RT devices

The zoned allocator unconditionally issues zone resets or discards after
emptying an entire zone, so supporting FITRIM for a zoned RT device is
not useful.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index 3f2403a7b49ca3bf8062436dbad01e20d224f497..c1a306268ae439e439da0445429366beca8ef6fc 100644 (file)
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -844,7 +844,8 @@ xfs_ioc_trim(
 
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
-       if (mp->m_rtdev_targp &&
+
+       if (mp->m_rtdev_targp && !xfs_has_zoned(mp) &&
            bdev_max_discard_sectors(mp->m_rtdev_targp->bt_bdev))
                rt_bdev = mp->m_rtdev_targp->bt_bdev;
        if (!bdev_max_discard_sectors(mp->m_ddev_targp->bt_bdev) && !rt_bdev)