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authorChristoph Hellwig <hch@lst.de>2024-03-04 07:04:45 -0700
committerKeith Busch <kbusch@kernel.org>2024-03-04 08:24:55 -0800
commit152694c82950a0930533dbe972b1f4fc11b95e98 (patch)
treea81bd5801da92fa604fa647a0d91bdd6fdf513a9 /drivers/nvme
parent4999568184e5d68903e6d0e49609979cd6ef01d7 (diff)
nvme: set max_hw_sectors unconditionally
All transports set a max_hw_sectors value in the nvme_ctrl, so make the code using it unconditional and clean it up using a little helper. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com> Reviewed-by: John Garry <john.g.garry@oracle.com> Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index cb13f7c79eaf..6ae9aedf7bc2 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1944,19 +1944,19 @@ static int nvme_configure_metadata(struct nvme_ctrl *ctrl,
return 0;
}
+static u32 nvme_max_drv_segments(struct nvme_ctrl *ctrl)
+{
+ return ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> SECTOR_SHIFT) + 1;
+}
+
static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
struct request_queue *q)
{
bool vwc = ctrl->vwc & NVME_CTRL_VWC_PRESENT;
- if (ctrl->max_hw_sectors) {
- u32 max_segments =
- (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1;
-
- max_segments = min_not_zero(max_segments, ctrl->max_segments);
- blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
- blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
- }
+ blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
+ blk_queue_max_segments(q, min_t(u32, USHRT_MAX,
+ min_not_zero(nvme_max_drv_segments(ctrl), ctrl->max_segments)));
blk_queue_virt_boundary(q, NVME_CTRL_PAGE_SIZE - 1);
blk_queue_dma_alignment(q, 3);
blk_queue_write_cache(q, vwc, vwc);