diff options
Diffstat (limited to 'drivers/s390/block')
-rw-r--r-- | drivers/s390/block/dasd.c | 11 | ||||
-rw-r--r-- | drivers/s390/block/dasd_diag.c | 4 | ||||
-rw-r--r-- | drivers/s390/block/dasd_eckd.c | 100 | ||||
-rw-r--r-- | drivers/s390/block/dasd_genhd.c | 1 | ||||
-rw-r--r-- | drivers/s390/block/scm_blk.c | 30 | ||||
-rw-r--r-- | drivers/s390/block/scm_blk.h | 2 | ||||
-rw-r--r-- | drivers/s390/block/scm_blk_cluster.c | 2 |
7 files changed, 94 insertions, 56 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 451bf99582ff..f302efa937ef 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -698,10 +698,11 @@ static void dasd_profile_start(struct dasd_block *block, } spin_lock(&block->profile.lock); - if (block->profile.data) + if (block->profile.data) { block->profile.data->dasd_io_nr_req[counter]++; if (rq_data_dir(req) == READ) block->profile.data->dasd_read_nr_req[counter]++; + } spin_unlock(&block->profile.lock); /* @@ -2978,12 +2979,12 @@ static int dasd_alloc_queue(struct dasd_block *block) elevator_exit(block->request_queue->elevator); block->request_queue->elevator = NULL; + mutex_lock(&block->request_queue->sysfs_lock); rc = elevator_init(block->request_queue, "deadline"); - if (rc) { + if (rc) blk_cleanup_queue(block->request_queue); - return rc; - } - return 0; + mutex_unlock(&block->request_queue->sysfs_lock); + return rc; } /* diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index feca317b33de..92bd22ce6760 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -645,7 +645,7 @@ dasd_diag_init(void) } ASCEBC(dasd_diag_discipline.ebcname, 4); - service_subclass_irq_register(); + irq_subclass_register(IRQ_SUBCLASS_SERVICE_SIGNAL); register_external_interrupt(0x2603, dasd_ext_handler); dasd_diag_discipline_pointer = &dasd_diag_discipline; return 0; @@ -655,7 +655,7 @@ static void __exit dasd_diag_cleanup(void) { unregister_external_interrupt(0x2603, dasd_ext_handler); - service_subclass_irq_unregister(); + irq_subclass_unregister(IRQ_SUBCLASS_SERVICE_SIGNAL); dasd_diag_discipline_pointer = NULL; } diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 5adb2042e824..95e45782692f 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -2077,6 +2077,7 @@ dasd_eckd_build_format(struct dasd_device *base, int intensity = 0; int r0_perm; int nr_tracks; + int use_prefix; startdev = dasd_alias_get_start_dev(base); if (!startdev) @@ -2106,28 +2107,46 @@ dasd_eckd_build_format(struct dasd_device *base, intensity = fdata->intensity; } + use_prefix = base_priv->features.feature[8] & 0x01; + switch (intensity) { case 0x00: /* Normal format */ case 0x08: /* Normal format, use cdl. */ cplength = 2 + (rpt*nr_tracks); - datasize = sizeof(struct PFX_eckd_data) + - sizeof(struct LO_eckd_data) + - rpt * nr_tracks * sizeof(struct eckd_count); + if (use_prefix) + datasize = sizeof(struct PFX_eckd_data) + + sizeof(struct LO_eckd_data) + + rpt * nr_tracks * sizeof(struct eckd_count); + else + datasize = sizeof(struct DE_eckd_data) + + sizeof(struct LO_eckd_data) + + rpt * nr_tracks * sizeof(struct eckd_count); break; case 0x01: /* Write record zero and format track. */ case 0x09: /* Write record zero and format track, use cdl. */ cplength = 2 + rpt * nr_tracks; - datasize = sizeof(struct PFX_eckd_data) + - sizeof(struct LO_eckd_data) + - sizeof(struct eckd_count) + - rpt * nr_tracks * sizeof(struct eckd_count); + if (use_prefix) + datasize = sizeof(struct PFX_eckd_data) + + sizeof(struct LO_eckd_data) + + sizeof(struct eckd_count) + + rpt * nr_tracks * sizeof(struct eckd_count); + else + datasize = sizeof(struct DE_eckd_data) + + sizeof(struct LO_eckd_data) + + sizeof(struct eckd_count) + + rpt * nr_tracks * sizeof(struct eckd_count); break; case 0x04: /* Invalidate track. */ case 0x0c: /* Invalidate track, use cdl. */ cplength = 3; - datasize = sizeof(struct PFX_eckd_data) + - sizeof(struct LO_eckd_data) + - sizeof(struct eckd_count); + if (use_prefix) + datasize = sizeof(struct PFX_eckd_data) + + sizeof(struct LO_eckd_data) + + sizeof(struct eckd_count); + else + datasize = sizeof(struct DE_eckd_data) + + sizeof(struct LO_eckd_data) + + sizeof(struct eckd_count); break; default: dev_warn(&startdev->cdev->dev, @@ -2147,14 +2166,25 @@ dasd_eckd_build_format(struct dasd_device *base, switch (intensity & ~0x08) { case 0x00: /* Normal format. */ - prefix(ccw++, (struct PFX_eckd_data *) data, - fdata->start_unit, fdata->stop_unit, - DASD_ECKD_CCW_WRITE_CKD, base, startdev); - /* grant subsystem permission to format R0 */ - if (r0_perm) - ((struct PFX_eckd_data *)data) - ->define_extent.ga_extended |= 0x04; - data += sizeof(struct PFX_eckd_data); + if (use_prefix) { + prefix(ccw++, (struct PFX_eckd_data *) data, + fdata->start_unit, fdata->stop_unit, + DASD_ECKD_CCW_WRITE_CKD, base, startdev); + /* grant subsystem permission to format R0 */ + if (r0_perm) + ((struct PFX_eckd_data *)data) + ->define_extent.ga_extended |= 0x04; + data += sizeof(struct PFX_eckd_data); + } else { + define_extent(ccw++, (struct DE_eckd_data *) data, + fdata->start_unit, fdata->stop_unit, + DASD_ECKD_CCW_WRITE_CKD, startdev); + /* grant subsystem permission to format R0 */ + if (r0_perm) + ((struct DE_eckd_data *) data) + ->ga_extended |= 0x04; + data += sizeof(struct DE_eckd_data); + } ccw[-1].flags |= CCW_FLAG_CC; locate_record(ccw++, (struct LO_eckd_data *) data, fdata->start_unit, 0, rpt*nr_tracks, @@ -2163,11 +2193,18 @@ dasd_eckd_build_format(struct dasd_device *base, data += sizeof(struct LO_eckd_data); break; case 0x01: /* Write record zero + format track. */ - prefix(ccw++, (struct PFX_eckd_data *) data, - fdata->start_unit, fdata->stop_unit, - DASD_ECKD_CCW_WRITE_RECORD_ZERO, - base, startdev); - data += sizeof(struct PFX_eckd_data); + if (use_prefix) { + prefix(ccw++, (struct PFX_eckd_data *) data, + fdata->start_unit, fdata->stop_unit, + DASD_ECKD_CCW_WRITE_RECORD_ZERO, + base, startdev); + data += sizeof(struct PFX_eckd_data); + } else { + define_extent(ccw++, (struct DE_eckd_data *) data, + fdata->start_unit, fdata->stop_unit, + DASD_ECKD_CCW_WRITE_RECORD_ZERO, startdev); + data += sizeof(struct DE_eckd_data); + } ccw[-1].flags |= CCW_FLAG_CC; locate_record(ccw++, (struct LO_eckd_data *) data, fdata->start_unit, 0, rpt * nr_tracks + 1, @@ -2176,10 +2213,17 @@ dasd_eckd_build_format(struct dasd_device *base, data += sizeof(struct LO_eckd_data); break; case 0x04: /* Invalidate track. */ - prefix(ccw++, (struct PFX_eckd_data *) data, - fdata->start_unit, fdata->stop_unit, - DASD_ECKD_CCW_WRITE_CKD, base, startdev); - data += sizeof(struct PFX_eckd_data); + if (use_prefix) { + prefix(ccw++, (struct PFX_eckd_data *) data, + fdata->start_unit, fdata->stop_unit, + DASD_ECKD_CCW_WRITE_CKD, base, startdev); + data += sizeof(struct PFX_eckd_data); + } else { + define_extent(ccw++, (struct DE_eckd_data *) data, + fdata->start_unit, fdata->stop_unit, + DASD_ECKD_CCW_WRITE_CKD, startdev); + data += sizeof(struct DE_eckd_data); + } ccw[-1].flags |= CCW_FLAG_CC; locate_record(ccw++, (struct LO_eckd_data *) data, fdata->start_unit, 0, 1, @@ -3180,6 +3224,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev, fcx_multitrack = private->features.feature[40] & 0x20; data_size = blk_rq_bytes(req); + if (data_size % blksize) + return ERR_PTR(-EINVAL); /* tpm write request add CBC data on each track boundary */ if (rq_data_dir(req) == WRITE) data_size += (last_trk - first_trk) * 4; diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index f64921756ad6..f224d59c4b6b 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -87,7 +87,6 @@ void dasd_gendisk_free(struct dasd_block *block) { if (block->gdp) { del_gendisk(block->gdp); - block->gdp->queue = NULL; block->gdp->private_data = NULL; put_disk(block->gdp); block->gdp = NULL; diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index 5d73e6e49af6..d0ab5019d885 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -118,22 +118,6 @@ static void scm_request_done(struct scm_request *scmrq) spin_unlock_irqrestore(&list_lock, flags); } -static int scm_open(struct block_device *blkdev, fmode_t mode) -{ - return scm_get_ref(); -} - -static void scm_release(struct gendisk *gendisk, fmode_t mode) -{ - scm_put_ref(); -} - -static const struct block_device_operations scm_blk_devops = { - .owner = THIS_MODULE, - .open = scm_open, - .release = scm_release, -}; - static bool scm_permit_request(struct scm_blk_dev *bdev, struct request *req) { return rq_data_dir(req) != WRITE || bdev->state != SCM_WR_PROHIBIT; @@ -223,8 +207,12 @@ static void scm_blk_request(struct request_queue *rq) int ret; while ((req = blk_peek_request(rq))) { - if (req->cmd_type != REQ_TYPE_FS) + if (req->cmd_type != REQ_TYPE_FS) { + blk_start_request(req); + blk_dump_rq_flags(req, KMSG_COMPONENT " bad request"); + blk_end_request_all(req, -EIO); continue; + } if (!scm_permit_request(bdev, req)) { scm_ensure_queue_restart(bdev); @@ -252,7 +240,7 @@ static void scm_blk_request(struct request_queue *rq) atomic_inc(&bdev->queued_reqs); blk_start_request(req); - ret = scm_start_aob(scmrq->aob); + ret = eadm_start_aob(scmrq->aob); if (ret) { SCM_LOG(5, "no subchannel"); scm_request_requeue(scmrq); @@ -316,7 +304,7 @@ static void scm_blk_handle_error(struct scm_request *scmrq) } restart: - if (!scm_start_aob(scmrq->aob)) + if (!eadm_start_aob(scmrq->aob)) return; requeue: @@ -359,6 +347,10 @@ static void scm_blk_tasklet(struct scm_blk_dev *bdev) blk_run_queue(bdev->rq); } +static const struct block_device_operations scm_blk_devops = { + .owner = THIS_MODULE, +}; + int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) { struct request_queue *rq; diff --git a/drivers/s390/block/scm_blk.h b/drivers/s390/block/scm_blk.h index 8b387b32fd62..e59331e6c2e5 100644 --- a/drivers/s390/block/scm_blk.h +++ b/drivers/s390/block/scm_blk.h @@ -107,7 +107,7 @@ extern debug_info_t *scm_debug; static inline void SCM_LOG_HEX(int level, void *data, int length) { - if (level > scm_debug->level) + if (!debug_level_enabled(scm_debug, level)) return; while (length > 0) { debug_event(scm_debug, level, data, length); diff --git a/drivers/s390/block/scm_blk_cluster.c b/drivers/s390/block/scm_blk_cluster.c index c0d102e3a48b..27f930cd657f 100644 --- a/drivers/s390/block/scm_blk_cluster.c +++ b/drivers/s390/block/scm_blk_cluster.c @@ -187,7 +187,7 @@ bool scm_need_cluster_request(struct scm_request *scmrq) void scm_initiate_cluster_request(struct scm_request *scmrq) { scm_prepare_cluster_request(scmrq); - if (scm_start_aob(scmrq->aob)) + if (eadm_start_aob(scmrq->aob)) scm_request_requeue(scmrq); } |