We need to copy the io priority, too; otherwise the clone will run
with a different priority than the original one.
Fixes: 43b62ce3ff0a ("block: move bio io prio to a new field")
Signed-off-by: Hannes Reinecke
---
block/bio.c | 1 +
drivers/vhost/npiv.c | 379 +--
2 files changed, 37 insertions(+), 343 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index e1708db48258..e079911c640f 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -605,6 +605,7 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
bio->bi_write_hint = bio_src->bi_write_hint;
bio->bi_iter = bio_src->bi_iter;
bio->bi_io_vec = bio_src->bi_io_vec;
+ bio->bi_ioprio = bio_src->bi_ioprio;
bio_clone_blkcg_association(bio, bio_src);
}
diff --git a/drivers/vhost/npiv.c b/drivers/vhost/npiv.c
index 20e2a66e332d..3527996aab3f 100644
--- a/drivers/vhost/npiv.c
+++ b/drivers/vhost/npiv.c
@@ -13,7 +13,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- /
+ */
#include
#include
@@ -31,6 +31,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -87,8 +88,6 @@ struct vhost_npiv_cmd {
struct vhost_virtqueue *tvc_vq;
/* Pointer to vhost nexus memory */
struct vhost_npiv_nexus *tvc_nexus;
- /* The TCM I/O descriptor that is accessed via container_of() */
- struct se_cmd tvc_se_cmd;
/* work item used for cmwq dispatch to vhost_npiv_submission_work() */
struct work_struct work;
/* Copy of the incoming SCSI command descriptor block (CDB) */
@@ -101,11 +100,6 @@ struct vhost_npiv_cmd {
struct vhost_npiv_inflight *inflight;
};
-struct vhost_npiv_nexus {
- /* Pointer to TCM session for I_T Nexus */
- struct se_session *tvn_se_sess;
-};
-
struct vhost_npiv_tpg {
/* Vhost port target portal group tag for TCM */
u16 tport_tpgt;
@@ -121,25 +115,10 @@ struct vhost_npiv_tpg {
struct mutex tv_tpg_mutex;
/* Pointer to the TCM VHost I_T Nexus for this TPG endpoint */
struct vhost_npiv_nexus *tpg_nexus;
- /* Pointer back to vhost_npiv_tport */
- struct vhost_npiv_tport *tport;
- /* Returned by vhost_npiv_make_tpg() */
- struct se_portal_group se_tpg;
/* Pointer back to vhost_npiv, protected by tv_tpg_mutex */
struct vhost_npiv *vhost_npiv;
};
-struct vhost_npiv_tport {
- /* SCSI protocol the tport is providing */
- u8 tport_proto_id;
- /* Binary World Wide unique Port Name for Vhost Target port */
- u64 tport_wwpn;
- /* ASCII formatted WWPN for Vhost Target port */
- char tport_name[VHOST_NPIV_NAMELEN];
- /* Returned by vhost_npiv_make_tport() */
- struct se_wwn tport_wwn;
-};
-
struct vhost_npiv_evt {
/* event to be sent to guest */
struct virtio_scsi_event event;
@@ -195,6 +174,7 @@ struct vhost_npiv {
};
static struct workqueue_struct *vhost_npiv_workqueue;
+static struct mempool *vhost_npiv_cmd_pool;
/* Global spinlock to protect vhost_npiv TPG list for vhost IOCTL access */
static DEFINE_MUTEX(vhost_npiv_mutex);
@@ -253,132 +233,6 @@ static void vhost_npiv_put_inflight(struct
vhost_npiv_inflight *inflight)
kref_put(>kref, vhost_npiv_done_inflight);
}
-static int vhost_npiv_check_true(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static int vhost_npiv_check_false(struct se_portal_group *se_tpg)
-{
- return 0;
-}
-
-static char *vhost_npiv_get_fabric_name(void)
-{
- return "vhost";
-}
-
-static char *vhost_npiv_get_fabric_wwn(struct se_portal_group *se_tpg)
-{
- struct vhost_npiv_tpg *tpg = container_of(se_tpg,
- struct vhost_npiv_tpg, se_tpg);
- struct vhost_npiv_tport *tport = tpg->tport;
-
- return >tport_name[0];
-}
-
-static u16 vhost_npiv_get_tpgt(struct se_portal_group *se_tpg)
-{
- struct vhost_npiv_tpg *tpg = container_of(se_tpg,
- struct vhost_npiv_tpg, se_tpg);
- return tpg->tport_tpgt;
-}
-
-static int vhost_npiv_check_prot_fabric_only(struct se_portal_group *se_tpg)
-{
- struct vhost_npiv_tpg *tpg = container_of(se_tpg,
- struct vhost_npiv_tpg, se_tpg);
-
- return tpg->tv_fabric_prot_type;
-}
-
-static u32 vhost_npiv_tpg_get_inst_index(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static void vhost_npiv_release_cmd(struct se_cmd *se_cmd)
-{
- struct vhost_npiv_cmd *tv_cmd = container_of(se_cmd,
- struct vhost_npiv_cmd, tvc_se_cmd);
- struct se_session *se_sess = tv_cmd->tvc_nexus->tvn_se_sess;
- int i;
-
- if (tv_cmd->tvc_sgl_count) {
- for (i = 0; i <
