diff options
author | Andy Grover <agrover@redhat.com> | 2011-06-16 15:57:09 -0700 |
---|---|---|
committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-07-25 07:47:59 +0000 |
commit | 55bdabdf41b6ee99e22e9d78a895b001fb1d852e (patch) | |
tree | a66c6d6480a2bddc7cbd534be6411cdda27a4898 /drivers/scsi | |
parent | 123521830c0ea35055b900d2ff0b73bb129e08cb (diff) |
iscsi: Use struct scsi_lun in iscsi structs instead of u8[8]
struct scsi_lun is also just a struct with an array of 8 octets (64 bits)
but using it instead in iscsi structs lets us call scsilun_to_int
without a cast, and also lets us copy it using assignment, instead of
memcpy().
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 5 | ||||
-rw-r--r-- | drivers/scsi/bnx2i/bnx2i_hwi.c | 8 | ||||
-rw-r--r-- | drivers/scsi/libiscsi.c | 14 |
3 files changed, 13 insertions, 14 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 94b9a07845d5..7b967ed48962 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -3963,11 +3963,10 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg, } memcpy(&io_task->cmd_bhs->iscsi_data_pdu. dw[offsetof(struct amap_pdu_data_out, lun) / 32], - io_task->cmd_bhs->iscsi_hdr.lun, sizeof(struct scsi_lun)); + &io_task->cmd_bhs->iscsi_hdr.lun, sizeof(struct scsi_lun)); AMAP_SET_BITS(struct amap_iscsi_wrb, lun, pwrb, - cpu_to_be16((unsigned short)io_task->cmd_bhs->iscsi_hdr. - lun[0])); + cpu_to_be16(*(unsigned short *)&io_task->cmd_bhs->iscsi_hdr.lun)); AMAP_SET_BITS(struct amap_iscsi_wrb, r2t_exp_dtl, pwrb, xferlen); AMAP_SET_BITS(struct amap_iscsi_wrb, wrb_idx, pwrb, io_task->pwrb_handle->wrb_index); diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 1b160e12afa3..2b119cc3eac5 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -430,7 +430,7 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, default: tmfabort_wqe->ref_itt = RESERVED_ITT; } - memcpy(scsi_lun, tmfabort_hdr->lun, sizeof(struct scsi_lun)); + memcpy(scsi_lun, &tmfabort_hdr->lun, sizeof(struct scsi_lun)); tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]); tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]); @@ -547,7 +547,7 @@ int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn, nopout_wqe->op_code = nopout_hdr->opcode; nopout_wqe->op_attr = ISCSI_FLAG_CMD_FINAL; - memcpy(nopout_wqe->lun, nopout_hdr->lun, 8); + memcpy(nopout_wqe->lun, &nopout_hdr->lun, 8); if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) { u32 tmp = nopout_wqe->lun[0]; @@ -1711,7 +1711,7 @@ static int bnx2i_process_nopin_mesg(struct iscsi_session *session, hdr->flags = ISCSI_FLAG_CMD_FINAL; hdr->itt = task->hdr->itt; hdr->ttt = cpu_to_be32(nop_in->ttt); - memcpy(hdr->lun, nop_in->lun, 8); + memcpy(&hdr->lun, nop_in->lun, 8); } done: __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0); @@ -1754,7 +1754,7 @@ static void bnx2i_process_async_mesg(struct iscsi_session *session, resp_hdr->opcode = async_cqe->op_code; resp_hdr->flags = 0x80; - memcpy(resp_hdr->lun, async_cqe->lun, 8); + memcpy(&resp_hdr->lun, async_cqe->lun, 8); resp_hdr->exp_cmdsn = cpu_to_be32(async_cqe->exp_cmd_sn); resp_hdr->max_cmdsn = cpu_to_be32(async_cqe->max_cmd_sn); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index c552cd7850ac..57175a7d2ef0 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -169,7 +169,7 @@ void iscsi_prep_data_out_pdu(struct iscsi_task *task, struct iscsi_r2t_info *r2t hdr->datasn = cpu_to_be32(r2t->datasn); r2t->datasn++; hdr->opcode = ISCSI_OP_SCSI_DATA_OUT; - memcpy(hdr->lun, task->lun, sizeof(hdr->lun)); + hdr->lun = task->lun; hdr->itt = task->hdr_itt; hdr->exp_statsn = r2t->exp_statsn; hdr->offset = cpu_to_be32(r2t->data_offset + r2t->sent); @@ -296,7 +296,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode) /* * Allow PDUs for unrelated LUNs */ - hdr_lun = scsilun_to_int((struct scsi_lun *)tmf->lun); + hdr_lun = scsilun_to_int(&tmf->lun); if (hdr_lun != task->sc->device->lun) return 0; /* fall through */ @@ -389,8 +389,8 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task) return rc; hdr->opcode = ISCSI_OP_SCSI_CMD; hdr->flags = ISCSI_ATTR_SIMPLE; - int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); - memcpy(task->lun, hdr->lun, sizeof(task->lun)); + int_to_scsilun(sc->device->lun, &hdr->lun); + task->lun = hdr->lun; hdr->exp_statsn = cpu_to_be32(conn->exp_statsn); cmd_len = sc->cmd_len; if (cmd_len < ISCSI_CDB_SIZE) @@ -968,7 +968,7 @@ static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) hdr.flags = ISCSI_FLAG_CMD_FINAL; if (rhdr) { - memcpy(hdr.lun, rhdr->lun, 8); + hdr.lun = rhdr->lun; hdr.ttt = rhdr->ttt; hdr.itt = RESERVED_ITT; } else @@ -2092,7 +2092,7 @@ static void iscsi_prep_abort_task_pdu(struct iscsi_task *task, hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; hdr->flags = ISCSI_TM_FUNC_ABORT_TASK & ISCSI_FLAG_TM_FUNC_MASK; hdr->flags |= ISCSI_FLAG_CMD_FINAL; - memcpy(hdr->lun, task->lun, sizeof(hdr->lun)); + hdr->lun = task->lun; hdr->rtt = task->hdr_itt; hdr->refcmdsn = task->cmdsn; } @@ -2233,7 +2233,7 @@ static void iscsi_prep_lun_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; hdr->flags = ISCSI_TM_FUNC_LOGICAL_UNIT_RESET & ISCSI_FLAG_TM_FUNC_MASK; hdr->flags |= ISCSI_FLAG_CMD_FINAL; - int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); + int_to_scsilun(sc->device->lun, &hdr->lun); hdr->rtt = RESERVED_ITT; } |