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authorAndy Grover <agrover@redhat.com>2011-06-16 15:57:09 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2011-07-25 07:47:59 +0000
commit55bdabdf41b6ee99e22e9d78a895b001fb1d852e (patch)
treea66c6d6480a2bddc7cbd534be6411cdda27a4898 /drivers/scsi/libiscsi.c
parent123521830c0ea35055b900d2ff0b73bb129e08cb (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/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c14
1 files changed, 7 insertions, 7 deletions
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;
}