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| author | Sagi Grimberg <sagig@mellanox.com> | 2014-03-05 18:43:50 +0100 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-03-18 06:33:58 +0100 |
| commit | 0a7a08ad6f5f344d592fe63403f48e67395e08bf (patch) | |
| tree | f2da128941225ad2dcd4d77d6f9a0fe1727c8be3 /drivers/infiniband/ulp/iser/iscsi_iser.c | |
| parent | SCSI/libiscsi: Add check_protection callback for transports (diff) | |
| download | linux-0a7a08ad6f5f344d592fe63403f48e67395e08bf.tar.xz linux-0a7a08ad6f5f344d592fe63403f48e67395e08bf.zip | |
IB/iser: Implement check_protection
Once the iSCSI transaction is completed we must implement
check_protection in order to notify on DIF errors that may have
occured.
The routine boils down to calling ib_check_mr_status to get the
signature status of the transaction.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Alex Tabachnik <alext@mellanox.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.c')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index a64b87811915..f13d7e9801f1 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -306,6 +306,18 @@ static void iscsi_iser_cleanup_task(struct iscsi_task *task) } } +static u8 iscsi_iser_check_protection(struct iscsi_task *task, sector_t *sector) +{ + struct iscsi_iser_task *iser_task = task->dd_data; + + if (iser_task->dir[ISER_DIR_IN]) + return iser_check_task_pi_status(iser_task, ISER_DIR_IN, + sector); + else + return iser_check_task_pi_status(iser_task, ISER_DIR_OUT, + sector); +} + static struct iscsi_cls_conn * iscsi_iser_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx) { @@ -742,6 +754,7 @@ static struct iscsi_transport iscsi_iser_transport = { .xmit_task = iscsi_iser_task_xmit, .cleanup_task = iscsi_iser_cleanup_task, .alloc_pdu = iscsi_iser_pdu_alloc, + .check_protection = iscsi_iser_check_protection, /* recovery */ .session_recovery_timedout = iscsi_session_recovery_timedout, |