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>
This commit is contained in:
Kanchan Joshi 2024-07-30 16:01:38 +05:30 committed by Keith Busch
parent 73d148ccb9
commit b4c1f33a5d

View File

@ -462,19 +462,19 @@ struct nvme_ns_head {
struct srcu_struct srcu; struct srcu_struct srcu;
struct nvme_subsystem *subsys; struct nvme_subsystem *subsys;
struct nvme_ns_ids ids; struct nvme_ns_ids ids;
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; u8 lba_shift;
u16 ms; u16 ms;
u16 pi_size; u16 pi_size;
u8 pi_type; u8 pi_type;
u8 guard_type; u8 guard_type;
struct list_head entry;
struct kref ref;
bool shared;
bool passthru_err_log_enabled;
struct nvme_effects_log *effects;
u64 nuse;
unsigned ns_id;
int instance;
#ifdef CONFIG_BLK_DEV_ZONED #ifdef CONFIG_BLK_DEV_ZONED
u64 zsze; u64 zsze;
#endif #endif