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authorChristof Schmitt <christof.schmitt@de.ibm.com>2007-06-19 10:25:30 +0200
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-06-19 19:51:02 -0700
commit462b7859a07c9c2b060fa2b5b1d49f8b33706d4e (patch)
tree7e787456714480aebd9b0bf4ae24ed70e0c4e311 /drivers/s390
parentc7f6b3a39967b0f28d0e507866840f82e4354a23 (diff)
downloadlinux-462b7859a07c9c2b060fa2b5b1d49f8b33706d4e.tar.bz2
[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 <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 821cde65e369..a1db95925138 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);