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-rw-r--r--drivers/s390/block/dasd.c71
-rw-r--r--drivers/s390/block/dasd_diag.c6
-rw-r--r--drivers/s390/block/dasd_eckd.c50
-rw-r--r--drivers/s390/block/dasd_fba.c29
-rw-r--r--drivers/s390/block/dasd_int.h3
-rw-r--r--drivers/s390/block/dcssblk.c6
-rw-r--r--drivers/s390/block/xpram.c2
7 files changed, 96 insertions, 71 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index d1815272c43..442bb98a282 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -603,7 +603,7 @@ static void dasd_profile_end(struct dasd_block *block,
if (dasd_profile_level != DASD_PROFILE_ON)
return;
- sectors = req->nr_sectors;
+ sectors = blk_rq_sectors(req);
if (!cqr->buildclk || !cqr->startclk ||
!cqr->stopclk || !cqr->endclk ||
!sectors)
@@ -851,8 +851,10 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
/* Check the cqr */
rc = dasd_check_cqr(cqr);
- if (rc)
+ if (rc) {
+ cqr->intrc = rc;
return rc;
+ }
device = (struct dasd_device *) cqr->startdev;
if (cqr->retries < 0) {
/* internal error 14 - start_IO run out of retries */
@@ -915,6 +917,7 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
BUG();
break;
}
+ cqr->intrc = rc;
return rc;
}
@@ -1454,8 +1457,12 @@ int dasd_sleep_on(struct dasd_ccw_req *cqr)
dasd_add_request_tail(cqr);
wait_event(generic_waitq, _wait_for_wakeup(cqr));
- /* Request status is either done or failed. */
- rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO;
+ if (cqr->status == DASD_CQR_DONE)
+ rc = 0;
+ else if (cqr->intrc)
+ rc = cqr->intrc;
+ else
+ rc = -EIO;
return rc;
}
@@ -1477,8 +1484,15 @@ int dasd_sleep_on_interruptible(struct dasd_ccw_req *cqr)
dasd_cancel_req(cqr);
/* wait (non-interruptible) for final status */
wait_event(generic_waitq, _wait_for_wakeup(cqr));
+ cqr->intrc = rc;
}
- rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO;
+
+ if (cqr->status == DASD_CQR_DONE)
+ rc = 0;
+ else if (cqr->intrc)
+ rc = cqr->intrc;
+ else
+ rc = -EIO;
return rc;
}
@@ -1523,8 +1537,12 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
wait_event(generic_waitq, _wait_for_wakeup(cqr));
- /* Request status is either done or failed. */
- rc = (cqr->status == DASD_CQR_DONE) ? 0 : -EIO;
+ if (cqr->status == DASD_CQR_DONE)
+ rc = 0;
+ else if (cqr->intrc)
+ rc = cqr->intrc;
+ else
+ rc = -EIO;
return rc;
}
@@ -1614,15 +1632,6 @@ void dasd_block_clear_timer(struct dasd_block *block)
}
/*
- * posts the buffer_cache about a finalized request
- */
-static inline void dasd_end_request(struct request *req, int error)
-{
- if (__blk_end_request(req, error, blk_rq_bytes(req)))
- BUG();
-}
-
-/*
* Process finished error recovery ccw.
*/
static inline void __dasd_block_process_erp(struct dasd_block *block,
@@ -1665,18 +1674,14 @@ static void __dasd_process_request_queue(struct dasd_block *block)
if (basedev->state < DASD_STATE_READY)
return;
/* Now we try to fetch requests from the request queue */
- while (!blk_queue_plugged(queue) &&
- elv_next_request(queue)) {
-
- req = elv_next_request(queue);
-
+ while (!blk_queue_plugged(queue) && (req = blk_peek_request(queue))) {
if (basedev->features & DASD_FEATURE_READONLY &&
rq_data_dir(req) == WRITE) {
DBF_DEV_EVENT(DBF_ERR, basedev,
"Rejecting write request %p",
req);
- blkdev_dequeue_request(req);
- dasd_end_request(req, -EIO);
+ blk_start_request(req);
+ __blk_end_request_all(req, -EIO);
continue;
}
cqr = basedev->discipline->build_cp(basedev, block, req);
@@ -1704,8 +1709,8 @@ static void __dasd_process_request_queue(struct dasd_block *block)
"CCW creation failed (rc=%ld) "
"on request %p",
PTR_ERR(cqr), req);
- blkdev_dequeue_request(req);
- dasd_end_request(req, -EIO);
+ blk_start_request(req);
+ __blk_end_request_all(req, -EIO);
continue;
}
/*
@@ -1714,7 +1719,7 @@ static void __dasd_process_request_queue(struct dasd_block *block)
*/
cqr->callback_data = (void *) req;
cqr->status = DASD_CQR_FILLED;
- blkdev_dequeue_request(req);
+ blk_start_request(req);
list_add_tail(&cqr->blocklist, &block->ccw_queue);
dasd_profile_start(block, cqr, req);
}
@@ -1731,7 +1736,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr)
status = cqr->block->base->discipline->free_cp(cqr, req);
if (status <= 0)
error = status ? status : -EIO;
- dasd_end_request(req, error);
+ __blk_end_request_all(req, error);
}
/*
@@ -2003,7 +2008,7 @@ static void dasd_setup_queue(struct dasd_block *block)
{
int max;
- blk_queue_hardsect_size(block->request_queue, block->bp_block);
+ blk_queue_logical_block_size(block->request_queue, block->bp_block);
max = block->base->discipline->max_blocks << block->s2b_shift;
blk_queue_max_sectors(block->request_queue, max);
blk_queue_max_phys_segments(block->request_queue, -1L);
@@ -2038,10 +2043,8 @@ static void dasd_flush_request_queue(struct dasd_block *block)
return;
spin_lock_irq(&block->request_queue_lock);
- while ((req = elv_next_request(block->request_queue))) {
- blkdev_dequeue_request(req);
- dasd_end_request(req, -EIO);
- }
+ while ((req = blk_fetch_request(block->request_queue)))
+ __blk_end_request_all(req, -EIO);
spin_unlock_irq(&block->request_queue_lock);
}
@@ -2442,12 +2445,12 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
int dasd_generic_read_dev_chars(struct dasd_device *device, char *magic,
- void **rdc_buffer, int rdc_buffer_size)
+ void *rdc_buffer, int rdc_buffer_size)
{
int ret;
struct dasd_ccw_req *cqr;
- cqr = dasd_generic_build_rdc(device, *rdc_buffer, rdc_buffer_size,
+ cqr = dasd_generic_build_rdc(device, rdc_buffer, rdc_buffer_size,
magic);
if (IS_ERR(cqr))
return PTR_ERR(cqr);
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index b9a7f773344..644086ba2ed 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -202,6 +202,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
rc = -EIO;
break;
}
+ cqr->intrc = rc;
return rc;
}
@@ -505,8 +506,9 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
return ERR_PTR(-EINVAL);
blksize = block->bp_block;
/* Calculate record id of first and last block. */
- first_rec = req->sector >> block->s2b_shift;
- last_rec = (req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+ first_rec = blk_rq_pos(req) >> block->s2b_shift;
+ last_rec =
+ (blk_rq_pos(req) + blk_rq_sectors(req) - 1) >> block->s2b_shift;
/* Check struct bio and count the number of blocks for the request. */
count = 0;
rq_for_each_segment(bv, req, iter) {
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index cb52da033f0..cf0cfdba124 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1097,20 +1097,20 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
{
struct dasd_eckd_private *private;
struct dasd_block *block;
- void *rdc_data;
int is_known, rc;
private = (struct dasd_eckd_private *) device->private;
- if (private == NULL) {
- private = kzalloc(sizeof(struct dasd_eckd_private),
- GFP_KERNEL | GFP_DMA);
- if (private == NULL) {
+ if (!private) {
+ private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA);
+ if (!private) {
dev_warn(&device->cdev->dev,
"Allocating memory for private DASD data "
"failed\n");
return -ENOMEM;
}
device->private = (void *) private;
+ } else {
+ memset(private, 0, sizeof(*private));
}
/* Invalidate status of initial analysis. */
private->init_cqr_status = -1;
@@ -1161,9 +1161,8 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
goto out_err3;
/* Read Device Characteristics */
- rdc_data = (void *) &(private->rdc_data);
- memset(rdc_data, 0, sizeof(rdc_data));
- rc = dasd_generic_read_dev_chars(device, "ECKD", &rdc_data, 64);
+ rc = dasd_generic_read_dev_chars(device, "ECKD", &private->rdc_data,
+ 64);
if (rc) {
DBF_EVENT(DBF_WARNING,
"Read device characteristics failed, rc=%d for "
@@ -1183,7 +1182,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
private->rdc_data.dev_model,
private->rdc_data.cu_type,
private->rdc_data.cu_model.model,
- private->real_cyl,
+ private->real_cyl,
private->rdc_data.trk_per_cyl,
private->rdc_data.sec_per_trk);
return 0;
@@ -2336,9 +2335,10 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
{
int tpm, cmdrtd, cmdwtd;
int use_prefix;
-
- struct dasd_eckd_private *private;
+#if defined(CONFIG_64BIT)
int fcx_in_css, fcx_in_gneq, fcx_in_features;
+#endif
+ struct dasd_eckd_private *private;
struct dasd_device *basedev;
sector_t first_rec, last_rec;
sector_t first_trk, last_trk;
@@ -2354,18 +2354,22 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
blksize = block->bp_block;
blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
/* Calculate record id of first and last block. */
- first_rec = first_trk = req->sector >> block->s2b_shift;
+ first_rec = first_trk = blk_rq_pos(req) >> block->s2b_shift;
first_offs = sector_div(first_trk, blk_per_trk);
last_rec = last_trk =
- (req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+ (blk_rq_pos(req) + blk_rq_sectors(req) - 1) >> block->s2b_shift;
last_offs = sector_div(last_trk, blk_per_trk);
cdlspecial = (private->uses_cdl && first_rec < 2*blk_per_trk);
- /* is transport mode supported ? */
+ /* is transport mode supported? */
+#if defined(CONFIG_64BIT)
fcx_in_css = css_general_characteristics.fcx;
fcx_in_gneq = private->gneq->reserved2[7] & 0x04;
fcx_in_features = private->features.feature[40] & 0x80;
tpm = fcx_in_css && fcx_in_gneq && fcx_in_features;
+#else
+ tpm = 0;
+#endif
/* is read track data and write track data in command mode supported? */
cmdrtd = private->features.feature[9] & 0x20;
@@ -2420,7 +2424,7 @@ dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req)
private = (struct dasd_eckd_private *) cqr->block->base->private;
blksize = cqr->block->bp_block;
blk_per_trk = recs_per_track(&private->rdc_data, 0, blksize);
- recid = req->sector >> cqr->block->s2b_shift;
+ recid = blk_rq_pos(req) >> cqr->block->s2b_shift;
ccw = cqr->cpaddr;
/* Skip over define extent & locate record. */
ccw++;
@@ -3013,8 +3017,9 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
" I/O status report for device %s:\n",
dev_name(&device->cdev->dev));
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
- " in req: %p CS: 0x%02X DS: 0x%02X\n", req,
- scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw));
+ " in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d\n",
+ req, scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
+ scsw_cc(&irb->scsw), req->intrc);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing CCW: %p\n",
dev_name(&device->cdev->dev),
@@ -3115,9 +3120,10 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
" I/O status report for device %s:\n",
dev_name(&device->cdev->dev));
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
- " in req: %p CS: 0x%02X DS: 0x%02X "
+ " in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d "
"fcxs: 0x%02X schxs: 0x%02X\n", req,
scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
+ scsw_cc(&irb->scsw), req->intrc,
irb->scsw.tm.fcxs, irb->scsw.tm.schxs);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing TCW: %p\n",
@@ -3273,8 +3279,14 @@ static struct dasd_discipline dasd_eckd_discipline = {
static int __init
dasd_eckd_init(void)
{
+ int ret;
+
ASCEBC(dasd_eckd_discipline.ebcname, 4);
- return ccw_driver_register(&dasd_eckd_driver);
+ ret = ccw_driver_register(&dasd_eckd_driver);
+ if (!ret)
+ wait_for_device_probe();
+
+ return ret;
}
static void __exit
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index a3eb6fd1467..597c6ffdb9f 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -122,20 +122,20 @@ dasd_fba_check_characteristics(struct dasd_device *device)
struct dasd_block *block;
struct dasd_fba_private *private;
struct ccw_device *cdev = device->cdev;
- void *rdc_data;
int rc;
private = (struct dasd_fba_private *) device->private;
- if (private == NULL) {
- private = kzalloc(sizeof(struct dasd_fba_private),
- GFP_KERNEL | GFP_DMA);
- if (private == NULL) {
+ if (!private) {
+ private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA);
+ if (!private) {
dev_warn(&device->cdev->dev,
"Allocating memory for private DASD "
"data failed\n");
return -ENOMEM;
}
device->private = (void *) private;
+ } else {
+ memset(private, 0, sizeof(*private));
}
block = dasd_alloc_block();
if (IS_ERR(block)) {
@@ -150,8 +150,8 @@ dasd_fba_check_characteristics(struct dasd_device *device)
block->base = device;
/* Read Device Characteristics */
- rdc_data = (void *) &(private->rdc_data);
- rc = dasd_generic_read_dev_chars(device, "FBA ", &rdc_data, 32);
+ rc = dasd_generic_read_dev_chars(device, "FBA ", &private->rdc_data,
+ 32);
if (rc) {
DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
"error %d for device: %s",
@@ -270,8 +270,9 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
return ERR_PTR(-EINVAL);
blksize = block->bp_block;
/* Calculate record id of first and last block. */
- first_rec = req->sector >> block->s2b_shift;
- last_rec = (req->sector + req->nr_sectors - 1) >> block->s2b_shift;
+ first_rec = blk_rq_pos(req) >> block->s2b_shift;
+ last_rec =
+ (blk_rq_pos(req) + blk_rq_sectors(req) - 1) >> block->s2b_shift;
/* Check struct bio and count the number of blocks for the request. */
count = 0;
cidaw = 0;
@@ -309,7 +310,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
ccw = cqr->cpaddr;
/* First ccw is define extent. */
define_extent(ccw++, cqr->data, rq_data_dir(req),
- block->bp_block, req->sector, req->nr_sectors);
+ block->bp_block, blk_rq_pos(req), blk_rq_sectors(req));
/* Build locate_record + read/write ccws. */
idaws = (unsigned long *) (cqr->data + sizeof(struct DE_fba_data));
LO_data = (struct LO_fba_data *) (idaws + cidaw);
@@ -603,8 +604,14 @@ static struct dasd_discipline dasd_fba_discipline = {
static int __init
dasd_fba_init(void)
{
+ int ret;
+
ASCEBC(dasd_fba_discipline.ebcname, 4);
- return ccw_driver_register(&dasd_fba_driver);
+ ret = ccw_driver_register(&dasd_fba_driver);
+ if (!ret)
+ wait_for_device_probe();
+
+ return ret;
}
static void __exit
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index c1e487f774c..f97ceb79507 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -173,6 +173,7 @@ struct dasd_ccw_req {
void *data; /* pointer to data area */
/* these are important for recovering erroneous requests */
+ int intrc; /* internal error, e.g. from start_IO */
struct irb irb; /* device status in case of an error */
struct dasd_ccw_req *refers; /* ERP-chain queueing. */
void *function; /* originating ERP action */
@@ -578,7 +579,7 @@ int dasd_generic_set_offline (struct ccw_device *cdev);
int dasd_generic_notify(struct ccw_device *, int);
void dasd_generic_handle_state_change(struct dasd_device *);
-int dasd_generic_read_dev_chars(struct dasd_device *, char *, void **, int);
+int dasd_generic_read_dev_chars(struct dasd_device *, char *, void *, int);
char *dasd_get_sense(struct irb *);
/* externals in dasd_devmap.c */
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index cfdcf1aed33..b21caf177e3 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -127,7 +127,7 @@ dcssblk_assign_free_minor(struct dcssblk_dev_info *dev_info)
found = 0;
// test if minor available
list_for_each_entry(entry, &dcssblk_devices, lh)
- if (minor == MINOR(disk_devt(entry->gd)))
+ if (minor == entry->gd->first_minor)
found++;
if (!found) break; // got unused minor
}
@@ -602,7 +602,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
dev_info->gd->private_data = dev_info;
dev_info->gd->driverfs_dev = &dev_info->dev;
blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request);
- blk_queue_hardsect_size(dev_info->dcssblk_queue, 4096);
+ blk_queue_logical_block_size(dev_info->dcssblk_queue, 4096);
seg_byte_size = (dev_info->end - dev_info->start + 1);
set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors
@@ -625,7 +625,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
if (rc)
goto release_gd;
sprintf(dev_info->gd->disk_name, "dcssblk%d",
- MINOR(disk_devt(dev_info->gd)));
+ dev_info->gd->first_minor);
list_add_tail(&dev_info->lh, &dcssblk_devices);
if (!try_module_get(THIS_MODULE)) {
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 76814f3e898..0ae0c83ef87 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -343,7 +343,7 @@ static int __init xpram_setup_blkdev(void)
goto out;
}
blk_queue_make_request(xpram_queues[i], xpram_make_request);
- blk_queue_hardsect_size(xpram_queues[i], 4096);
+ blk_queue_logical_block_size(xpram_queues[i], 4096);
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 20:07:22 +0000