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lib/iscsi: Put bits NAND or OR together.

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We can OR some of the bits ,and setting them one time.

Signed-off-by: yidong0635 <dongx.yi@intel.com>
Change-Id: Ie919ef66f3b8deea125df47d2194130b364c302a
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3489
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This commit is contained in:
yidong0635 2020-07-23 05:18:53 -04:00 committed by Tomasz Zawadzki
parent 1350922d09
commit 0d73f143b8
1 changed files with 8 additions and 13 deletions
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21
lib/iscsi/iscsi.c
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@ -1203,9 +1203,8 @@ iscsi_op_login_response(struct spdk_iscsi_conn *conn,
/* Set T/CSG/NSG to reserved if login error. */
if (rsph->status_class != 0) {
rsph->flags &= ~ISCSI_LOGIN_TRANSIT;
rsph->flags &= ~ISCSI_LOGIN_CURRENT_STAGE_MASK;
rsph->flags &= ~ISCSI_LOGIN_NEXT_STAGE_MASK;
rsph->flags &= ~(ISCSI_LOGIN_TRANSIT | ISCSI_LOGIN_CURRENT_STAGE_MASK |
ISCSI_LOGIN_NEXT_STAGE_MASK);
}
iscsi_param_free(params);
iscsi_conn_write_pdu(conn, rsp_pdu, cb_fn, conn);
@ -1242,9 +1241,8 @@ iscsi_op_login_rsp_init(struct spdk_iscsi_conn *conn,
rsp_pdu->data_buf_len = 8192;
reqh = (struct iscsi_bhs_login_req *)&pdu->bhs;
rsph->flags |= (reqh->flags & ISCSI_LOGIN_TRANSIT);
rsph->flags |= (reqh->flags & ISCSI_LOGIN_CONTINUE);
rsph->flags |= (reqh->flags & ISCSI_LOGIN_CURRENT_STAGE_MASK);
rsph->flags |= (reqh->flags & (ISCSI_LOGIN_TRANSIT | ISCSI_LOGIN_CONTINUE |
ISCSI_LOGIN_CURRENT_STAGE_MASK));
if (ISCSI_BHS_LOGIN_GET_TBIT(rsph->flags)) {
rsph->flags |= (reqh->flags & ISCSI_LOGIN_NEXT_STAGE_MASK);
}
@ -1303,11 +1301,9 @@ iscsi_op_login_rsp_init(struct spdk_iscsi_conn *conn,
if ((ISCSI_BHS_LOGIN_GET_NSG(rsph->flags) == ISCSI_NSG_RESERVED_CODE) &&
ISCSI_BHS_LOGIN_GET_TBIT(rsph->flags)) {
/* set NSG to zero */
rsph->flags &= ~ISCSI_LOGIN_NEXT_STAGE_MASK;
/* also set other bits to zero */
rsph->flags &= ~ISCSI_LOGIN_TRANSIT;
rsph->flags &= ~ISCSI_LOGIN_CURRENT_STAGE_MASK;
/* set NSG and other bits to zero */
rsph->flags &= ~(ISCSI_LOGIN_NEXT_STAGE_MASK | ISCSI_LOGIN_TRANSIT |
ISCSI_LOGIN_CURRENT_STAGE_MASK);
SPDK_ERRLOG("Received reserved NSG code: %d\n", ISCSI_NSG_RESERVED_CODE);
/* Initiator error */
rsph->status_class = ISCSI_CLASS_INITIATOR_ERROR;
@ -3055,8 +3051,7 @@ iscsi_transfer_in(struct spdk_iscsi_conn *conn, struct spdk_iscsi_task *task)
for (; offset < sequence_end; offset += segment_len) {
len = spdk_min(segment_len, (sequence_end - offset));
datain_flag &= ~ISCSI_FLAG_FINAL;
datain_flag &= ~ISCSI_DATAIN_STATUS;
datain_flag &= ~(ISCSI_FLAG_FINAL | ISCSI_DATAIN_STATUS);
if (offset + len == sequence_end) {
/* last PDU in a sequence */