This ensures all proper DMA layer handling is taken care of by the
SCSI midlayer.
Signed-off-by: Christoph Hellwig
---
drivers/infiniband/ulp/iser/iscsi_iser.c | 35 +---
1 file changed, 7 insertions(+), 28 deletions(-)
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c
b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 9c185a8dabd3..841b66397a57 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -613,6 +613,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
struct Scsi_Host *shost;
struct iser_conn *iser_conn = NULL;
struct ib_conn *ib_conn;
+ struct ib_device *ib_dev;
u32 max_fr_sectors;
shost = iscsi_host_alloc(_iser_sht, 0, 0);
@@ -643,16 +644,19 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
}
ib_conn = _conn->ib_conn;
+ ib_dev = ib_conn->device->ib_device;
if (ib_conn->pi_support) {
- u32 sig_caps =
ib_conn->device->ib_device->attrs.sig_prot_cap;
+ u32 sig_caps = ib_dev->attrs.sig_prot_cap;
scsi_host_set_prot(shost, iser_dif_prot_caps(sig_caps));
scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP |
SHOST_DIX_GUARD_CRC);
}
- if (iscsi_host_add(shost,
- ib_conn->device->ib_device->dev.parent)) {
+ if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG))
+ shost->virt_boundary_mask = ~MASK_4K;
+
+ if (iscsi_host_add(shost, ib_dev->dev.parent)) {
mutex_unlock(_conn->state_mutex);
goto free_host;
}
@@ -958,30 +962,6 @@ static umode_t iser_attr_is_visible(int param_type, int
param)
return 0;
}
-static int iscsi_iser_slave_alloc(struct scsi_device *sdev)
-{
- struct iscsi_session *session;
- struct iser_conn *iser_conn;
- struct ib_device *ib_dev;
-
- mutex_lock(_iser_conn_mutex);
-
- session = starget_to_session(scsi_target(sdev))->dd_data;
- iser_conn = session->leadconn->dd_data;
- if (!iser_conn) {
- mutex_unlock(_iser_conn_mutex);
- return -ENOTCONN;
- }
- ib_dev = iser_conn->ib_conn.device->ib_device;
-
- if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG))
- blk_queue_virt_boundary(sdev->request_queue, ~MASK_4K);
-
- mutex_unlock(_iser_conn_mutex);
-
- return 0;
-}
-
static struct scsi_host_template iscsi_iser_sht = {
.module = THIS_MODULE,
.name = "iSCSI Initiator over iSER",
@@ -994,7 +974,6 @@ static struct scsi_host_template iscsi_iser_sht = {
.eh_device_reset_handler= iscsi_eh_device_reset,
.eh_target_reset_handler = iscsi_eh_recover_target,
.target_alloc = iscsi_target_alloc,
- .slave_alloc= iscsi_iser_slave_alloc,
.proc_name = "iscsi_iser",
.this_id= -1,
.track_queue_depth = 1,
--
2.20.1
