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authorHannes Reinecke <hare@suse.de>2014-06-25 15:27:36 +0200
committerChristoph Hellwig <hch@lst.de>2014-07-17 22:07:37 +0200
commit9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3 (patch)
tree576b86c3ec56dd7176285ec2d27f27ca55f77bc3 /drivers/scsi/libiscsi.c
parentqla2xxx: Restrict max_lun to 16-bit for older HBAs (diff)
downloadlinux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.tar.xz
linux-9cb78c16f5dadefd8dc5ba0ae5a2f26cd59419b3.zip
scsi: use 64-bit LUNs
The SCSI standard defines 64-bit values for LUNs, and large arrays employing large or hierarchical LUN numbers become more and more common. So update the linux SCSI stack to use 64-bit LUN numbers. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@infradead.org> Reviewed-by: Ewan Milne <emilne@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 3d1bc67bac9d..f2db82beb646 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -260,7 +260,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
{
struct iscsi_conn *conn = task->conn;
struct iscsi_tm *tmf = &conn->tmhdr;
- unsigned int hdr_lun;
+ u64 hdr_lun;
if (conn->tmf_state == TMF_INITIAL)
return 0;
@@ -1859,8 +1859,7 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
* Fail commands. session lock held and recv side suspended and xmit
* thread flushed
*/
-static void fail_scsi_tasks(struct iscsi_conn *conn, unsigned lun,
- int error)
+static void fail_scsi_tasks(struct iscsi_conn *conn, u64 lun, int error)
{
struct iscsi_task *task;
int i;
@@ -2279,7 +2278,8 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
cls_session = starget_to_session(scsi_target(sc->device));
session = cls_session->dd_data;
- ISCSI_DBG_EH(session, "LU Reset [sc %p lun %u]\n", sc, sc->device->lun);
+ ISCSI_DBG_EH(session, "LU Reset [sc %p lun %llu]\n", sc,
+ sc->device->lun);
mutex_lock(&session->eh_mutex);
spin_lock_bh(&session->frwd_lock);