scsi: Use struct scsi_lun in fc/fcp.h
This allows us to use scsilun_to_int without an ugly cast.
Fix up places that use scsilun_to_int on fcp->fc_lun accordingly.
In fc target, this leaves ft_cmd.lun unused, so remove it.
Signed-off-by: Andy Grover <agrover@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kiran Patil <kiran.patil@intel.com>
Cc: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
index 84a78af..e897ce9 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
@@ -1682,9 +1682,7 @@
memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd));
- int_to_scsilun(sc_cmd->device->lun,
- (struct scsi_lun *) fcp_cmnd->fc_lun);
-
+ int_to_scsilun(sc_cmd->device->lun, &fcp_cmnd->fc_lun);
fcp_cmnd->fc_dl = htonl(io_req->data_xfer_len);
memcpy(fcp_cmnd->fc_cdb, sc_cmd->cmnd, sc_cmd->cmd_len);
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index f607314..25de09f 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -1074,8 +1074,7 @@
fsp->cdb_cmd.fc_dl = htonl(fsp->data_len);
fsp->cdb_cmd.fc_flags = fsp->req_flags & ~FCP_CFL_LEN_MASK;
- int_to_scsilun(fsp->cmd->device->lun,
- (struct scsi_lun *)fsp->cdb_cmd.fc_lun);
+ int_to_scsilun(fsp->cmd->device->lun, &fsp->cdb_cmd.fc_lun);
memcpy(fsp->cdb_cmd.fc_cdb, fsp->cmd->cmnd, fsp->cmd->cmd_len);
spin_lock_irqsave(&si->scsi_queue_lock, flags);
@@ -1257,7 +1256,7 @@
fsp->cdb_cmd.fc_dl = htonl(fsp->data_len);
fsp->cdb_cmd.fc_tm_flags = FCP_TMF_LUN_RESET;
- int_to_scsilun(lun, (struct scsi_lun *)fsp->cdb_cmd.fc_lun);
+ int_to_scsilun(lun, &fsp->cdb_cmd.fc_lun);
fsp->wait_for_comp = 1;
init_completion(&fsp->tm_done);
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index e05c551..559f3bd 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -113,7 +113,6 @@
* Commands
*/
struct ft_cmd {
- u32 lun; /* LUN from request */
struct ft_sess *sess; /* session held for cmd */
struct fc_seq *seq; /* sequence in exchange mgr */
struct se_cmd se_cmd; /* Local TCM I/O descriptor */
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 9e7e26c..c5f5bb2 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -61,7 +61,6 @@
caller, cmd, cmd->sess, cmd->seq, se_cmd);
pr_debug("%s: cmd %p cdb %p\n",
caller, cmd, cmd->cdb);
- pr_debug("%s: cmd %p lun %d\n", caller, cmd, cmd->lun);
pr_debug("%s: cmd %p data_nents %u len %u se_cmd_flags <0x%x>\n",
caller, cmd, se_cmd->t_data_nents,
@@ -407,8 +406,7 @@
switch (fcp->fc_tm_flags) {
case FCP_TMF_LUN_RESET:
- cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
- if (transport_lookup_tmr_lun(&cmd->se_cmd, cmd->lun) < 0) {
+ if (transport_lookup_tmr_lun(&cmd->se_cmd, scsilun_to_int(&fcp->fc_lun)) < 0) {
/*
* Make sure to clean up newly allocated TMR request
* since "unable to handle TMR request because failed
@@ -416,7 +414,7 @@
*/
pr_debug("Failed to get LUN for TMR func %d, "
"se_cmd %p, unpacked_lun %d\n",
- tm_func, &cmd->se_cmd, cmd->lun);
+ tm_func, &cmd->se_cmd, scsilun_to_int(&fcp->fc_lun));
ft_dump_cmd(cmd, __func__);
sess = cmd->sess;
transport_send_check_condition_and_sense(&cmd->se_cmd,
@@ -597,14 +595,13 @@
return;
}
fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
- cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
/*
* Use a single se_cmd->cmd_kref as we expect to release se_cmd
* directly from ft_check_stop_free callback in response path.
*/
target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
- &cmd->ft_sense_buffer[0], cmd->lun, data_len,
- task_attr, data_dir, 0);
+ &cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun),
+ data_len, task_attr, data_dir, 0);
pr_debug("r_ctl %x alloc target_submit_cmd\n", fh->fh_r_ctl);
return;
diff --git a/include/scsi/fc/fc_fcp.h b/include/scsi/fc/fc_fcp.h
index 652dec2..0d7d67e 100644
--- a/include/scsi/fc/fc_fcp.h
+++ b/include/scsi/fc/fc_fcp.h
@@ -20,6 +20,8 @@
#ifndef _FC_FCP_H_
#define _FC_FCP_H_
+#include <scsi/scsi.h>
+
/*
* Fibre Channel Protocol for SCSI.
* From T10 FCP-3, T10 project 1560-D Rev 4, Sept. 13, 2005.
@@ -45,7 +47,7 @@
* FCP_CMND IU Payload.
*/
struct fcp_cmnd {
- __u8 fc_lun[8]; /* logical unit number */
+ struct scsi_lun fc_lun; /* logical unit number */
__u8 fc_cmdref; /* command reference number */
__u8 fc_pri_ta; /* priority and task attribute */
__u8 fc_tm_flags; /* task management flags */
@@ -57,7 +59,7 @@
#define FCP_CMND_LEN 32 /* expected length of structure */
struct fcp_cmnd32 {
- __u8 fc_lun[8]; /* logical unit number */
+ struct scsi_lun fc_lun; /* logical unit number */
__u8 fc_cmdref; /* command reference number */
__u8 fc_pri_ta; /* priority and task attribute */
__u8 fc_tm_flags; /* task management flags */