Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=462b7859a07c9c2b060fa2b5b1d49f8b33706d4e
Commit: 462b7859a07c9c2b060fa2b5b1d49f8b33706d4e
Parent: c7f6b3a39967b0f28d0e507866840f82e4354a23
Author: Christof Schmitt <[EMAIL PROTECTED]>
AuthorDate: Tue Jun 19 10:25:30 2007 +0200
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Tue Jun 19 19:51:02 2007 -0700
[SCSI] zfcp: Report FCP LUN to SCSI midlayer
When reporting SCSI devices to the SCSI midlayer, use the FCP LUN as
LUN reported to the SCSI layer. With this approach, zfcp does not have
to create unique LUNS, and this code can be removed.
Signed-off-by: Christof Schmitt <[EMAIL PROTECTED]>
Signed-off-by: Swen Schillig <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/s390/scsi/zfcp_aux.c | 20 +++-----------------
drivers/scsi/scsi_scan.c | 3 ++-
include/scsi/scsi_device.h | 1 +
3 files changed, 6 insertions(+), 18 deletions(-)
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 821cde6..a1db959 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -815,9 +815,7 @@ zfcp_get_adapter_by_busid(char *bus_id)
struct zfcp_unit *
zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
{
- struct zfcp_unit *unit, *tmp_unit;
- unsigned int scsi_lun;
- int found;
+ struct zfcp_unit *unit;
/*
* check that there is no unit with this FCP_LUN already in list
@@ -863,22 +861,10 @@ zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t
fcp_lun)
}
zfcp_unit_get(unit);
+ unit->scsi_lun = scsilun_to_int((struct scsi_lun *)&unit->fcp_lun);
- scsi_lun = 0;
- found = 0;
write_lock_irq(&zfcp_data.config_lock);
- list_for_each_entry(tmp_unit, &port->unit_list_head, list) {
- if (tmp_unit->scsi_lun != scsi_lun) {
- found = 1;
- break;
- }
- scsi_lun++;
- }
- unit->scsi_lun = scsi_lun;
- if (found)
- list_add_tail(&unit->list, &tmp_unit->list);
- else
- list_add_tail(&unit->list, &port->unit_list_head);
+ list_add_tail(&unit->list, &port->unit_list_head);
atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status);
atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status);
write_unlock_irq(&zfcp_data.config_lock);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index a67f315..5df28e2 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1204,7 +1204,7 @@ static void scsi_sequential_lun_scan(struct scsi_target
*starget,
* Given a struct scsi_lun of: 0a 04 0b 03 00 00 00 00, this function
returns
* the integer: 0x0b030a04
**/
-static int scsilun_to_int(struct scsi_lun *scsilun)
+int scsilun_to_int(struct scsi_lun *scsilun)
{
int i;
unsigned int lun;
@@ -1215,6 +1215,7 @@ static int scsilun_to_int(struct scsi_lun *scsilun)
scsilun->scsi_lun[i + 1]) << (i * 8));
return lun;
}
+EXPORT_SYMBOL(scsilun_to_int);
/**
* int_to_scsilun: reverts an int into a scsi_lun
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 2f3c5b8..6fe1cf6 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -287,6 +287,7 @@ extern void scsi_target_block(struct device *);
extern void scsi_target_unblock(struct device *);
extern void scsi_remove_target(struct device *);
extern void int_to_scsilun(unsigned int, struct scsi_lun *);
+extern int scsilun_to_int(struct scsi_lun *);
extern const char *scsi_device_state_name(enum scsi_device_state);
extern int scsi_is_sdev_device(const struct device *);
extern int scsi_is_target_device(const struct device *);
-
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