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| author | Damien Le Moal <damien.lemoal@wdc.com> | 2017-06-28 14:58:57 +0900 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-07-06 23:11:49 -0700 |
| commit | 016a5fec19e191ed1d45f75d8bfbefdec3f2dada (patch) | |
| tree | a985a51dc13692ad45158ea3f3aa042e0ad40bd8 | |
| parent | e5dc9a7055c98bcd7b03f9735d5f2ec2b7f0d897 (diff) | |
| download | linux-016a5fec19e191ed1d45f75d8bfbefdec3f2dada.tar.gz linux-016a5fec19e191ed1d45f75d8bfbefdec3f2dada.tar.bz2 linux-016a5fec19e191ed1d45f75d8bfbefdec3f2dada.zip | |
target: pscsi: Introduce TYPE_ZBC support
TYPE_ZBC host managed zoned block devices are also block devices
despite the non-standard device type (14h). Handle them similarly to
regular TYPE_DISK devices.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/target_core_pscsi.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index fb40f64072f6..b71d22ebc9bf 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -382,7 +382,7 @@ static int pscsi_create_type_disk(struct se_device *dev, struct scsi_device *sd) spin_unlock_irq(sh->host_lock); /* * Claim exclusive struct block_device access to struct scsi_device - * for TYPE_DISK using supplied udev_path + * for TYPE_DISK and TYPE_ZBC using supplied udev_path */ bd = blkdev_get_by_path(dev->udev_path, FMODE_WRITE|FMODE_READ|FMODE_EXCL, pdv); @@ -400,8 +400,9 @@ static int pscsi_create_type_disk(struct se_device *dev, struct scsi_device *sd) return ret; } - pr_debug("CORE_PSCSI[%d] - Added TYPE_DISK for %d:%d:%d:%llu\n", - phv->phv_host_id, sh->host_no, sd->channel, sd->id, sd->lun); + pr_debug("CORE_PSCSI[%d] - Added TYPE_%s for %d:%d:%d:%llu\n", + phv->phv_host_id, sd->type == TYPE_DISK ? "DISK" : "ZBC", + sh->host_no, sd->channel, sd->id, sd->lun); return 0; } @@ -520,6 +521,7 @@ static int pscsi_configure_device(struct se_device *dev) */ switch (sd->type) { case TYPE_DISK: + case TYPE_ZBC: ret = pscsi_create_type_disk(dev, sd); break; default: @@ -576,9 +578,11 @@ static void pscsi_destroy_device(struct se_device *dev) if (sd) { /* * Release exclusive pSCSI internal struct block_device claim for - * struct scsi_device with TYPE_DISK from pscsi_create_type_disk() + * struct scsi_device with TYPE_DISK or TYPE_ZBC + * from pscsi_create_type_disk() */ - if ((sd->type == TYPE_DISK) && pdv->pdv_bd) { + if ((sd->type == TYPE_DISK || sd->type == TYPE_ZBC) && + pdv->pdv_bd) { blkdev_put(pdv->pdv_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL); pdv->pdv_bd = NULL; @@ -1000,7 +1004,8 @@ pscsi_execute_cmd(struct se_cmd *cmd) req->end_io_data = cmd; scsi_req(req)->cmd_len = scsi_command_size(pt->pscsi_cdb); scsi_req(req)->cmd = &pt->pscsi_cdb[0]; - if (pdv->pdv_sd->type == TYPE_DISK) + if (pdv->pdv_sd->type == TYPE_DISK || + pdv->pdv_sd->type == TYPE_ZBC) req->timeout = PS_TIMEOUT_DISK; else req->timeout = PS_TIMEOUT_OTHER; |