From: Kanchan Joshi <joshi.k@samsung.com>
Date: Tue, 30 Jul 2024 10:31:38 +0000 (+0530)
Subject: nvme: reorganize nvme_ns_head fields
X-Git-Tag: v6.11-rc3~21^2^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b4c1f33a5d59f577814d87704c45a745a35d8bd9;p=thirdparty%2Fkernel%2Flinux.git

nvme: reorganize nvme_ns_head fields

shuffle few fields to reduce the holes within nvme_ns_head.
On x86_64, the size is reduced to 1104 bytes from 1120 bytes.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 6039dc78b36e3..ae5314d32943e 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -462,19 +462,19 @@ struct nvme_ns_head {
 	struct srcu_struct      srcu;
 	struct nvme_subsystem	*subsys;
 	struct nvme_ns_ids	ids;
+	u8			lba_shift;
+	u16			ms;
+	u16			pi_size;
+	u8			pi_type;
+	u8			guard_type;
 	struct list_head	entry;
 	struct kref		ref;
 	bool			shared;
 	bool			passthru_err_log_enabled;
-	int			instance;
 	struct nvme_effects_log *effects;
 	u64			nuse;
 	unsigned		ns_id;
-	u8			lba_shift;
-	u16			ms;
-	u16			pi_size;
-	u8			pi_type;
-	u8			guard_type;
+	int			instance;
 #ifdef CONFIG_BLK_DEV_ZONED
 	u64			zsze;
 #endif