Commit b4c1f33a authored by Kanchan Joshi's avatar Kanchan Joshi Committed by Keith Busch
Browse files

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: default avatarKanchan Joshi <joshi.k@samsung.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
parent 73d148cc

drivers/nvme/host/nvme.h

+6 −6
Original line number Diff line number Diff line
@@ -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