[PATCH 20/43] xfs: disable FITRIM for zoned RT devices

Christoph Hellwig
2024-12-11T08:57:33Z

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>
---
fs/xfs/xfs_discard.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index c4bd145f5ec1..4447c835a373 100644
--- 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)
--
2.45.2