Commit 89d9c916 authored by Jacek Kalwas's avatar Jacek Kalwas Committed by Tomasz Zawadzki
Browse files

nvmf: improve nvmf qpair layout 



Hot members fits into single cache line now.

Signed-off-by: default avatarJacek Kalwas <jacek.kalwas@intel.com>
Change-Id: I9f7a1734f5e3b05eee0dd61320afe1ee61cb7167
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/21341


Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@nvidia.com>
Community-CI: Mellanox Build Bot
parent dab99ec0

include/spdk/nvmf_transport.h

+11 −9
Original line number Diff line number Diff line
@@ -116,20 +116,16 @@ enum spdk_nvmf_qpair_state { 
typedef void (*spdk_nvmf_state_change_done)(void *cb_arg, int status);



struct spdk_nvmf_qpair {

	enum spdk_nvmf_qpair_state		state;

	spdk_nvmf_state_change_done		state_cb;

	void					*state_cb_arg;

	uint8_t					state; /* ref spdk_nvmf_qpair_state */

	uint8_t					rsvd;

	uint16_t				qid;

	uint16_t				sq_head;

	uint16_t				sq_head_max;



	struct spdk_nvmf_transport		*transport;

	struct spdk_nvmf_ctrlr			*ctrlr;

	struct spdk_nvmf_poll_group		*group;



	uint16_t				qid;

	uint16_t				sq_head;

	uint16_t				sq_head_max;

	bool					connect_received;

	bool					disconnect_started;



	union {

		struct spdk_nvmf_request	*first_fused_req;

		struct spdk_nvmf_request	*connect_req;
@@ -137,6 +133,12 @@ struct spdk_nvmf_qpair { 


	TAILQ_HEAD(, spdk_nvmf_request)		outstanding;

	TAILQ_ENTRY(spdk_nvmf_qpair)		link;



	spdk_nvmf_state_change_done		state_cb;

	void					*state_cb_arg;



	bool					connect_received;

	bool					disconnect_started;

};



struct spdk_nvmf_transport_poll_group {