Now that the block layer tracks a separate user max discard limit, there
is no need to prevent nvme from updating it on controller capability
changes.

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 drivers/nvme/host/core.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 85ab0fcf9e8864..ef70268dccbc5a 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1754,16 +1754,6 @@ static void nvme_config_discard(struct nvme_ctrl *ctrl, 
struct gendisk *disk,
        BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) <
                        NVME_DSM_MAX_RANGES);
 
-       /*
-        * If discard is already enabled, don't reset queue limits.
-        *
-        * This works around the fact that the block layer can't cope well with
-        * updating the hardware limits when overridden through sysfs.  This is
-        * harmless because discard limits in NVMe are purely advisory.
-        */
-       if (queue->limits.max_discard_sectors)
-               return;
-
        blk_queue_max_discard_sectors(queue, max_discard_sectors);
        if (ctrl->dmrl)
                blk_queue_max_discard_segments(queue, ctrl->dmrl);
-- 
2.39.2


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