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nvmf/tcp: Repack spdk_nvmf_tcp_qpair structure

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Move data used in IO path to the beginning of the structure,
eliminate several holes

Change-Id: I45202f31c888fba32307a8b8ae2b62e7e601a32f
Signed-off-by: Alexey Marchuk <alexeymar@mellanox.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4760
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Alexey Marchuk 2020-10-19 09:07:39 +03:00 committed by Tomasz Zawadzki
parent a85057ea07
commit f600ca4c3c
1 changed files with 17 additions and 16 deletions
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33
lib/nvmf/tcp.c
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@ -203,7 +203,6 @@ struct spdk_nvmf_tcp_req {
struct spdk_nvmf_tcp_qpair {
struct spdk_nvmf_qpair qpair;
struct spdk_nvmf_tcp_poll_group *group;
struct spdk_nvmf_tcp_port *port;
struct spdk_sock *sock;
enum nvme_tcp_pdu_recv_state recv_state;
@ -211,21 +210,6 @@ struct spdk_nvmf_tcp_qpair {
/* PDU being actively received */
struct nvme_tcp_pdu pdu_in_progress;
uint32_t recv_buf_size;
/* This is a spare PDU used for sending special management
* operations. Primarily, this is used for the initial
* connection response and c2h termination request. */
struct nvme_tcp_pdu *mgmt_pdu;
TAILQ_HEAD(, nvme_tcp_pdu) send_queue;
/* Arrays of in-capsule buffers, requests, and pdus.
* Each array is 'resource_count' number of elements */
void *bufs;
struct spdk_nvmf_tcp_req *reqs;
struct nvme_tcp_pdu *pdus;
uint32_t resource_count;
/* Queues to track the requests in all states */
TAILQ_HEAD(, spdk_nvmf_tcp_req) state_queue[TCP_REQUEST_NUM_STATES];
@ -237,6 +221,23 @@ struct spdk_nvmf_tcp_qpair {
bool host_hdgst_enable;
bool host_ddgst_enable;
TAILQ_HEAD(, nvme_tcp_pdu) send_queue;
/* This is a spare PDU used for sending special management
* operations. Primarily, this is used for the initial
* connection response and c2h termination request. */
struct nvme_tcp_pdu *mgmt_pdu;
/* Arrays of in-capsule buffers, requests, and pdus.
* Each array is 'resource_count' number of elements */
void *bufs;
struct spdk_nvmf_tcp_req *reqs;
struct nvme_tcp_pdu *pdus;
uint32_t resource_count;
uint32_t recv_buf_size;
struct spdk_nvmf_tcp_port *port;
/* IP address */
char initiator_addr[SPDK_NVMF_TRADDR_MAX_LEN];
char target_addr[SPDK_NVMF_TRADDR_MAX_LEN];