diff options
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 91f705de2c0b..fc03efa64ffe 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -823,10 +823,10 @@ struct ata_port { unsigned int cbl; /* cable type; ATA_CBL_xxx */ struct ata_queued_cmd qcmd[ATA_MAX_QUEUE]; - unsigned long qc_allocated; + unsigned long sas_tag_allocated; /* for sas tag allocation only */ unsigned int qc_active; int nr_active_links; /* #links with active qcs */ - unsigned int last_tag; /* track next tag hw expects */ + unsigned int sas_last_tag; /* track next tag hw expects */ struct ata_link link; /* host default link */ struct ata_link *slave_link; /* see ata_slave_link_init() */ @@ -1340,12 +1340,19 @@ extern const struct ata_port_operations ata_base_port_ops; extern const struct ata_port_operations sata_port_ops; extern struct device_attribute *ata_common_sdev_attrs[]; +/* + * All sht initializers (BASE, PIO, BMDMA, NCQ) must be instantiated + * by the edge drivers. Because the 'module' field of sht must be the + * edge driver's module reference, otherwise the driver can be unloaded + * even if the scsi_device is being accessed. + */ #define ATA_BASE_SHT(drv_name) \ .module = THIS_MODULE, \ .name = drv_name, \ .ioctl = ata_scsi_ioctl, \ .queuecommand = ata_scsi_queuecmd, \ .can_queue = ATA_DEF_QUEUE, \ + .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ .this_id = ATA_SHT_THIS_ID, \ .cmd_per_lun = ATA_SHT_CMD_PER_LUN, \ .emulated = ATA_SHT_EMULATED, \ |