diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-11 11:43:44 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-11 11:43:44 -0700 |
commit | 1ddeeb2a058d7b2a58ed9e820396b4ceb715d529 (patch) | |
tree | 32a27b8eb1c538239b641292d77dc1a8cee8ee97 /drivers/s390 | |
parent | d2c84bdce25a678c1e1f116d65b58790bd241af0 (diff) | |
parent | 5205a4aa8fc9454853b705b69611c80e9c644283 (diff) |
Merge tag 'for-6.9/block-20240310' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- MD pull requests via Song:
- Cleanup redundant checks (Yu Kuai)
- Remove deprecated headers (Marc Zyngier, Song Liu)
- Concurrency fixes (Li Lingfeng)
- Memory leak fix (Li Nan)
- Refactor raid1 read_balance (Yu Kuai, Paul Luse)
- Clean up and fix for md_ioctl (Li Nan)
- Other small fixes (Gui-Dong Han, Heming Zhao)
- MD atomic limits (Christoph)
- NVMe pull request via Keith:
- RDMA target enhancements (Max)
- Fabrics fixes (Max, Guixin, Hannes)
- Atomic queue_limits usage (Christoph)
- Const use for class_register (Ricardo)
- Identification error handling fixes (Shin'ichiro, Keith)
- Improvement and cleanup for cached request handling (Christoph)
- Moving towards atomic queue limits. Core changes and driver bits so
far (Christoph)
- Fix UAF issues in aoeblk (Chun-Yi)
- Zoned fix and cleanups (Damien)
- s390 dasd cleanups and fixes (Jan, Miroslav)
- Block issue timestamp caching (me)
- noio scope guarding for zoned IO (Johannes)
- block/nvme PI improvements (Kanchan)
- Ability to terminate long running discard loop (Keith)
- bdev revalidation fix (Li)
- Get rid of old nr_queues hack for kdump kernels (Ming)
- Support for async deletion of ublk (Ming)
- Improve IRQ bio recycling (Pavel)
- Factor in CPU capacity for remote vs local completion (Qais)
- Add shared_tags configfs entry for null_blk (Shin'ichiro
- Fix for a regression in page refcounts introduced by the folio
unification (Tony)
- Misc fixes and cleanups (Arnd, Colin, John, Kunwu, Li, Navid,
Ricardo, Roman, Tang, Uwe)
* tag 'for-6.9/block-20240310' of git://git.kernel.dk/linux: (221 commits)
block: partitions: only define function mac_fix_string for CONFIG_PPC_PMAC
block/swim: Convert to platform remove callback returning void
cdrom: gdrom: Convert to platform remove callback returning void
block: remove disk_stack_limits
md: remove mddev->queue
md: don't initialize queue limits
md/raid10: use the atomic queue limit update APIs
md/raid5: use the atomic queue limit update APIs
md/raid1: use the atomic queue limit update APIs
md/raid0: use the atomic queue limit update APIs
md: add queue limit helpers
md: add a mddev_is_dm helper
md: add a mddev_add_trace_msg helper
md: add a mddev_trace_remap helper
bcache: move calculation of stripe_size and io_opt into bcache_device_init
virtio_blk: Do not use disk_set_max_open/active_zones()
aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts
block: move capacity validation to blkpg_do_ioctl()
block: prevent division by zero in blk_rq_stat_sum()
drbd: atomically update queue limits in drbd_reconsider_queue_parameters
...
Diffstat (limited to 'drivers/s390')
-rw-r--r-- | drivers/s390/block/dasd.c | 180 | ||||
-rw-r--r-- | drivers/s390/block/dasd_3990_erp.c | 80 | ||||
-rw-r--r-- | drivers/s390/block/dasd_alias.c | 8 | ||||
-rw-r--r-- | drivers/s390/block/dasd_devmap.c | 34 | ||||
-rw-r--r-- | drivers/s390/block/dasd_diag.c | 26 | ||||
-rw-r--r-- | drivers/s390/block/dasd_eckd.c | 186 | ||||
-rw-r--r-- | drivers/s390/block/dasd_eer.c | 7 | ||||
-rw-r--r-- | drivers/s390/block/dasd_erp.c | 9 | ||||
-rw-r--r-- | drivers/s390/block/dasd_fba.c | 88 | ||||
-rw-r--r-- | drivers/s390/block/dasd_genhd.c | 18 | ||||
-rw-r--r-- | drivers/s390/block/dasd_int.h | 35 | ||||
-rw-r--r-- | drivers/s390/block/dasd_ioctl.c | 6 | ||||
-rw-r--r-- | drivers/s390/block/dasd_proc.c | 5 | ||||
-rw-r--r-- | drivers/s390/block/dcssblk.c | 10 | ||||
-rw-r--r-- | drivers/s390/block/scm_blk.c | 17 |
15 files changed, 242 insertions, 467 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index c833a7c7d7b2..cead018c3f06 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -8,9 +8,6 @@ * Copyright IBM Corp. 1999, 2009 */ -#define KMSG_COMPONENT "dasd" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - #include <linux/kmod.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -30,9 +27,6 @@ #include <asm/itcw.h> #include <asm/diag.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd:" - #include "dasd_int.h" /* * SECTION: Constant definitions to be used within this file @@ -313,39 +307,57 @@ static int dasd_state_basic_to_known(struct dasd_device *device) */ static int dasd_state_basic_to_ready(struct dasd_device *device) { - int rc; - struct dasd_block *block; - struct gendisk *disk; + struct dasd_block *block = device->block; + struct queue_limits lim; + int rc = 0; - rc = 0; - block = device->block; /* make disk known with correct capacity */ - if (block) { - if (block->base->discipline->do_analysis != NULL) - rc = block->base->discipline->do_analysis(block); - if (rc) { - if (rc != -EAGAIN) { - device->state = DASD_STATE_UNFMT; - disk = device->block->gdp; - kobject_uevent(&disk_to_dev(disk)->kobj, - KOBJ_CHANGE); - goto out; - } - return rc; - } - if (device->discipline->setup_blk_queue) - device->discipline->setup_blk_queue(block); - set_capacity(block->gdp, - block->blocks << block->s2b_shift); + if (!block) { device->state = DASD_STATE_READY; - rc = dasd_scan_partitions(block); - if (rc) { - device->state = DASD_STATE_BASIC; + goto out; + } + + if (block->base->discipline->do_analysis != NULL) + rc = block->base->discipline->do_analysis(block); + if (rc) { + if (rc == -EAGAIN) return rc; - } - } else { - device->state = DASD_STATE_READY; + device->state = DASD_STATE_UNFMT; + kobject_uevent(&disk_to_dev(device->block->gdp)->kobj, + KOBJ_CHANGE); + goto out; + } + + lim = queue_limits_start_update(block->gdp->queue); + lim.max_dev_sectors = device->discipline->max_sectors(block); + lim.max_hw_sectors = lim.max_dev_sectors; + lim.logical_block_size = block->bp_block; + + if (device->discipline->has_discard) { + unsigned int max_bytes; + + lim.discard_granularity = block->bp_block; + + /* Calculate max_discard_sectors and make it PAGE aligned */ + max_bytes = USHRT_MAX * block->bp_block; + max_bytes = ALIGN_DOWN(max_bytes, PAGE_SIZE); + + lim.max_hw_discard_sectors = max_bytes / block->bp_block; + lim.max_write_zeroes_sectors = lim.max_hw_discard_sectors; } + rc = queue_limits_commit_update(block->gdp->queue, &lim); + if (rc) + return rc; + + set_capacity(block->gdp, block->blocks << block->s2b_shift); + device->state = DASD_STATE_READY; + + rc = dasd_scan_partitions(block); + if (rc) { + device->state = DASD_STATE_BASIC; + return rc; + } + out: if (device->discipline->basic_to_ready) rc = device->discipline->basic_to_ready(device); @@ -1301,7 +1313,6 @@ int dasd_term_IO(struct dasd_ccw_req *cqr) { struct dasd_device *device; int retries, rc; - char errorstring[ERRORLENGTH]; /* Check the cqr */ rc = dasd_check_cqr(cqr); @@ -1340,10 +1351,8 @@ int dasd_term_IO(struct dasd_ccw_req *cqr) rc = 0; break; default: - /* internal error 10 - unknown rc*/ - snprintf(errorstring, ERRORLENGTH, "10 %d", rc); - dev_err(&device->cdev->dev, "An error occurred in the " - "DASD device driver, reason=%s\n", errorstring); + dev_err(&device->cdev->dev, + "Unexpected error during request termination %d\n", rc); BUG(); break; } @@ -1362,7 +1371,6 @@ int dasd_start_IO(struct dasd_ccw_req *cqr) { struct dasd_device *device; int rc; - char errorstring[ERRORLENGTH]; /* Check the cqr */ rc = dasd_check_cqr(cqr); @@ -1382,10 +1390,8 @@ int dasd_start_IO(struct dasd_ccw_req *cqr) return -EPERM; } if (cqr->retries < 0) { - /* internal error 14 - start_IO run out of retries */ - sprintf(errorstring, "14 %p", cqr); - dev_err(&device->cdev->dev, "An error occurred in the DASD " - "device driver, reason=%s\n", errorstring); + dev_err(&device->cdev->dev, + "Start I/O ran out of retries\n"); cqr->status = DASD_CQR_ERROR; return -EIO; } @@ -1463,11 +1469,8 @@ int dasd_start_IO(struct dasd_ccw_req *cqr) "not accessible"); break; default: - /* internal error 11 - unknown rc */ - snprintf(errorstring, ERRORLENGTH, "11 %d", rc); dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", errorstring); + "Unexpected error during request start %d", rc); BUG(); break; } @@ -1904,8 +1907,6 @@ static void __dasd_device_process_ccw_queue(struct dasd_device *device, static void __dasd_process_cqr(struct dasd_device *device, struct dasd_ccw_req *cqr) { - char errorstring[ERRORLENGTH]; - switch (cqr->status) { case DASD_CQR_SUCCESS: cqr->status = DASD_CQR_DONE; @@ -1917,11 +1918,8 @@ static void __dasd_process_cqr(struct dasd_device *device, cqr->status = DASD_CQR_TERMINATED; break; default: - /* internal error 12 - wrong cqr status*/ - snprintf(errorstring, ERRORLENGTH, "12 %p %x02", cqr, cqr->status); dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", errorstring); + "Unexpected CQR status %02x", cqr->status); BUG(); } if (cqr->callback) @@ -1986,16 +1984,14 @@ static void __dasd_device_check_expire(struct dasd_device *device) if (device->discipline->term_IO(cqr) != 0) { /* Hmpf, try again in 5 sec */ dev_err(&device->cdev->dev, - "cqr %p timed out (%lus) but cannot be " - "ended, retrying in 5 s\n", - cqr, (cqr->expires/HZ)); + "CQR timed out (%lus) but cannot be ended, retrying in 5s\n", + (cqr->expires / HZ)); cqr->expires += 5*HZ; dasd_device_set_timer(device, 5*HZ); } else { dev_err(&device->cdev->dev, - "cqr %p timed out (%lus), %i retries " - "remaining\n", cqr, (cqr->expires/HZ), - cqr->retries); + "CQR timed out (%lus), %i retries remaining\n", + (cqr->expires / HZ), cqr->retries); } __dasd_device_check_autoquiesce_timeout(device, cqr); } @@ -2116,8 +2112,7 @@ int dasd_flush_device_queue(struct dasd_device *device) if (rc) { /* unable to terminate requeust */ dev_err(&device->cdev->dev, - "Flushing the DASD request queue " - "failed for request %p\n", cqr); + "Flushing the DASD request queue failed\n"); /* stop flush processing */ goto finished; } @@ -2633,8 +2628,7 @@ static int __dasd_cancel_req(struct dasd_ccw_req *cqr) rc = device->discipline->term_IO(cqr); if (rc) { dev_err(&device->cdev->dev, - "Cancelling request %p failed with rc=%d\n", - cqr, rc); + "Cancelling request failed with rc=%d\n", rc); } else { cqr->stopclk = get_tod_clock(); } @@ -3402,8 +3396,7 @@ static void dasd_generic_auto_online(void *data, async_cookie_t cookie) ret = ccw_device_set_online(cdev); if (ret) - pr_warn("%s: Setting the DASD online failed with rc=%d\n", - dev_name(&cdev->dev), ret); + dev_warn(&cdev->dev, "Setting the DASD online failed with rc=%d\n", ret); } /* @@ -3490,8 +3483,11 @@ int dasd_generic_set_online(struct ccw_device *cdev, { struct dasd_discipline *discipline; struct dasd_device *device; + struct device *dev; int rc; + dev = &cdev->dev; + /* first online clears initial online feature flag */ dasd_set_feature(cdev, DASD_FEATURE_INITIAL_ONLINE, 0); device = dasd_create_device(cdev); @@ -3504,11 +3500,10 @@ int dasd_generic_set_online(struct ccw_device *cdev, /* Try to load the required module. */ rc = request_module(DASD_DIAG_MOD); if (rc) { - pr_warn("%s Setting the DASD online failed " - "because the required module %s " - "could not be loaded (rc=%d)\n", - dev_name(&cdev->dev), DASD_DIAG_MOD, - rc); + dev_warn(dev, "Setting the DASD online failed " + "because the required module %s " + "could not be loaded (rc=%d)\n", + DASD_DIAG_MOD, rc); dasd_delete_device(device); return -ENODEV; } @@ -3516,8 +3511,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, /* Module init could have failed, so check again here after * request_module(). */ if (!dasd_diag_discipline_pointer) { - pr_warn("%s Setting the DASD online failed because of missing DIAG discipline\n", - dev_name(&cdev->dev)); + dev_warn(dev, "Setting the DASD online failed because of missing DIAG discipline\n"); dasd_delete_device(device); return -ENODEV; } @@ -3527,37 +3521,33 @@ int dasd_generic_set_online(struct ccw_device *cdev, dasd_delete_device(device); return -EINVAL; } + device->base_discipline = base_discipline; if (!try_module_get(discipline->owner)) { - module_put(base_discipline->owner); dasd_delete_device(device); return -EINVAL; } - device->base_discipline = base_discipline; device->discipline = discipline; /* check_device will allocate block device if necessary */ rc = discipline->check_device(device); if (rc) { - pr_warn("%s Setting the DASD online with discipline %s failed with rc=%i\n", - dev_name(&cdev->dev), discipline->name, rc); - module_put(discipline->owner); - module_put(base_discipline->owner); + dev_warn(dev, "Setting the DASD online with discipline %s failed with rc=%i\n", + discipline->name, rc); dasd_delete_device(device); return rc; } dasd_set_target_state(device, DASD_STATE_ONLINE); if (device->state <= DASD_STATE_KNOWN) { - pr_warn("%s Setting the DASD online failed because of a missing discipline\n", - dev_name(&cdev->dev)); + dev_warn(dev, "Setting the DASD online failed because of a missing discipline\n"); rc = -ENODEV; dasd_set_target_state(device, DASD_STATE_NEW); if (device->block) dasd_free_block(device->block); dasd_delete_device(device); - } else - pr_debug("dasd_generic device %s found\n", - dev_name(&cdev->dev)); + } else { + dev_dbg(dev, "dasd_generic device found\n"); + } wait_event(dasd_init_waitq, _wait_for_device(device)); @@ -3568,10 +3558,13 @@ EXPORT_SYMBOL_GPL(dasd_generic_set_online); int dasd_generic_set_offline(struct ccw_device *cdev) { + int max_count, open_count, rc; struct dasd_device *device; struct dasd_block *block; - int max_count, open_count, rc; unsigned long flags; + struct device *dev; + + dev = &cdev->dev; rc = 0; spin_lock_irqsave(get_ccwdev_lock(cdev), flags); @@ -3592,11 +3585,10 @@ int dasd_generic_set_offline(struct ccw_device *cdev) open_count = atomic_read(&device->block->open_count); if (open_count > max_count) { if (open_count > 0) - pr_warn("%s: The DASD cannot be set offline with open count %i\n", - dev_name(&cdev->dev), open_count); + dev_warn(dev, "The DASD cannot be set offline with open count %i\n", + open_count); else - pr_warn("%s: The DASD cannot be set offline while it is in use\n", - dev_name(&cdev->dev)); + dev_warn(dev, "The DASD cannot be set offline while it is in use\n"); rc = -EBUSY; goto out_err; } @@ -3956,8 +3948,8 @@ static int dasd_handle_autoquiesce(struct dasd_device *device, if (dasd_eer_enabled(device)) dasd_eer_write(device, NULL, DASD_EER_AUTOQUIESCE); - pr_info("%s: The DASD has been put in the quiesce state\n", - dev_name(&device->cdev->dev)); + dev_info(&device->cdev->dev, + "The DASD has been put in the quiesce state\n"); dasd_device_set_stop_bits(device, DASD_STOPPED_QUIESCE); if (device->features & DASD_FEATURE_REQUEUEQUIESCE) @@ -3977,10 +3969,8 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device, NULL); if (IS_ERR(cqr)) { - /* internal error 13 - Allocating the RDC request failed*/ - dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", "13"); + DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "%s", + "Could not allocate RDC request"); return cqr; } diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index 89957bb7244d..459b7f8ac883 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -7,13 +7,9 @@ * */ -#define KMSG_COMPONENT "dasd-eckd" - #include <linux/timer.h> #include <asm/idals.h> -#define PRINTK_HEADER "dasd_erp(3990): " - #include "dasd_int.h" #include "dasd_eckd.h" @@ -398,7 +394,6 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense) struct dasd_device *device = erp->startdev; char msg_format = (sense[7] & 0xF0); char msg_no = (sense[7] & 0x0F); - char errorstring[ERRORLENGTH]; switch (msg_format) { case 0x00: /* Format 0 - Program or System Checks */ @@ -1004,12 +999,9 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense) } break; - default: /* unknown message format - should not happen - internal error 03 - unknown message format */ - snprintf(errorstring, ERRORLENGTH, "03 %x02", msg_format); + default: dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", errorstring); + "Unknown message format %02x", msg_format); break; } /* end switch message format */ @@ -1056,11 +1048,9 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense) set_bit(DASD_CQR_SUPPRESS_CR, &erp->refers->flags); erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); } else { - /* fatal error - set status to FAILED - internal error 09 - Command Reject */ if (!test_bit(DASD_CQR_SUPPRESS_CR, &erp->flags)) dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, reason=09\n"); + "An I/O command request was rejected\n"); erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); } @@ -1128,13 +1118,7 @@ dasd_3990_erp_equip_check(struct dasd_ccw_req * erp, char *sense) erp->function = dasd_3990_erp_equip_check; if (sense[1] & SNS1_WRITE_INHIBITED) { - dev_info(&device->cdev->dev, - "Write inhibited path encountered\n"); - - /* vary path offline - internal error 04 - Path should be varied off-line.*/ - dev_err(&device->cdev->dev, "An error occurred in the DASD " - "device driver, reason=%s\n", "04"); + dev_err(&device->cdev->dev, "Write inhibited path encountered\n"); erp = dasd_3990_erp_action_1(erp); @@ -1285,11 +1269,7 @@ dasd_3990_erp_inv_format(struct dasd_ccw_req * erp, char *sense) erp = dasd_3990_erp_action_4(erp, sense); } else { - /* internal error 06 - The track format is not valid*/ - dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", "06"); - + dev_err(&device->cdev->dev, "Track format is not valid\n"); erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); } @@ -1663,9 +1643,8 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense) sizeof(struct LO_eckd_data), device); if (IS_ERR(erp)) { - /* internal error 01 - Unable to allocate ERP */ - dev_err(&device->cdev->dev, "An error occurred in the DASD " - "device driver, reason=%s\n", "01"); + DBF_DEV_EVENT(DBF_ERR, device, "%s", + "Unable to allocate ERP request (1B 32)"); return dasd_3990_erp_cleanup(default_erp, DASD_CQR_FAILED); } @@ -1807,10 +1786,8 @@ dasd_3990_update_1B(struct dasd_ccw_req * previous_erp, char *sense) cpa = previous_erp->irb.scsw.cmd.cpa; if (cpa == 0) { - /* internal error 02 - - Unable to determine address of the CCW to be restarted */ - dev_err(&device->cdev->dev, "An error occurred in the DASD " - "device driver, reason=%s\n", "02"); + dev_err(&device->cdev->dev, + "Unable to determine address of to be restarted CCW\n"); previous_erp->status = DASD_CQR_FAILED; @@ -2009,15 +1986,9 @@ dasd_3990_erp_compound_config(struct dasd_ccw_req * erp, char *sense) { if ((sense[25] & DASD_SENSE_BIT_1) && (sense[26] & DASD_SENSE_BIT_2)) { - - /* set to suspended duplex state then restart - internal error 05 - Set device to suspended duplex state - should be done */ struct dasd_device *device = erp->startdev; dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", "05"); - + "Compound configuration error occurred\n"); } erp->function = dasd_3990_erp_compound_config; @@ -2153,10 +2124,9 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense) erp = dasd_3990_erp_int_req(erp); break; - case 0x0F: /* length mismatch during update write command - internal error 08 - update write command error*/ - dev_err(&device->cdev->dev, "An error occurred in the " - "DASD device driver, reason=%s\n", "08"); + case 0x0F: + dev_err(&device->cdev->dev, + "Update write command error occurred\n"); erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); break; @@ -2165,12 +2135,9 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense) erp = dasd_3990_erp_action_10_32(erp, sense); break; - case 0x15: /* next track outside defined extend - internal error 07 - The next track is not - within the defined storage extent */ + case 0x15: dev_err(&device->cdev->dev, - "An error occurred in the DASD device driver, " - "reason=%s\n", "07"); + "Track outside defined extent error occurred\n"); erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); break; @@ -2663,7 +2630,7 @@ dasd_3990_erp_further_erp(struct dasd_ccw_req *erp) * necessary */ dev_err(&device->cdev->dev, - "ERP %p has run out of retries and failed\n", erp); + "ERP %px has run out of retries and failed\n", erp); erp->status = DASD_CQR_FAILED; } @@ -2704,8 +2671,7 @@ dasd_3990_erp_handle_match_erp(struct dasd_ccw_req *erp_head, while (erp_done != erp) { if (erp_done == NULL) /* end of chain reached */ - panic(PRINTK_HEADER "Programming error in ERP! The " - "original request was lost\n"); + panic("Programming error in ERP! The original request was lost\n"); /* remove the request from the device queue */ list_del(&erp_done->blocklist); @@ -2786,11 +2752,9 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) "ERP chain at BEGINNING of ERP-ACTION\n"); for (temp_erp = cqr; temp_erp != NULL; temp_erp = temp_erp->refers) { - dev_err(&device->cdev->dev, - "ERP %p (%02x) refers to %p\n", - temp_erp, temp_erp->status, - temp_erp->refers); + "ERP %px (%02x) refers to %px\n", + temp_erp, temp_erp->status, temp_erp->refers); } } @@ -2837,11 +2801,9 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) "ERP chain at END of ERP-ACTION\n"); for (temp_erp = erp; temp_erp != NULL; temp_erp = temp_erp->refers) { - dev_err(&device->cdev->dev, - "ERP %p (%02x) refers to %p\n", - temp_erp, temp_erp->status, - temp_erp->refers); + "ERP %px (%02x) refers to %px\n", + temp_erp, temp_erp->status, temp_erp->refers); } } diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index c9740ae88d1a..e84cd5436556 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -6,20 +6,12 @@ * Author(s): Stefan Weinhuber <wein@de.ibm.com> */ -#define KMSG_COMPONENT "dasd-eckd" - #include <linux/list.h> #include <linux/slab.h> #include <asm/ebcdic.h> #include "dasd_int.h" #include "dasd_eckd.h" -#ifdef PRINTK_HEADER -#undef PRINTK_HEADER -#endif /* PRINTK_HEADER */ -#define PRINTK_HEADER "dasd(eckd):" - - /* * General concept of alias management: * - PAV and DASD alias management is specific to the eckd discipline. diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index c4e36650c426..0316c20823ee 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -13,8 +13,6 @@ * */ -#define KMSG_COMPONENT "dasd" - #include <linux/ctype.h> #include <linux/init.h> #include <linux/module.h> @@ -24,8 +22,6 @@ #include <linux/uaccess.h> #include <asm/ipl.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd_devmap:" #define DASD_MAX_PARAMS 256 #include "dasd_int.h" @@ -1114,7 +1110,7 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf) use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0; else use_diag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USEDIAG) != 0; - return sprintf(buf, use_diag ? "1\n" : "0\n"); + return sysfs_emit(buf, use_diag ? "1\n" : "0\n"); } static ssize_t @@ -1163,7 +1159,7 @@ dasd_use_raw_show(struct device *dev, struct device_attribute *attr, char *buf) use_raw = (devmap->features & DASD_FEATURE_USERAW) != 0; else use_raw = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USERAW) != 0; - return sprintf(buf, use_raw ? "1\n" : "0\n"); + return sysfs_emit(buf, use_raw ? "1\n" : "0\n"); } static ssize_t @@ -1259,7 +1255,7 @@ dasd_access_show(struct device *dev, struct device_attribute *attr, if (count < 0) return count; - return sprintf(buf, "%d\n", count); + return sysfs_emit(buf, "%d\n", count); } static DEVICE_ATTR(host_access_count, 0444, dasd_access_show, NULL); @@ -1338,19 +1334,19 @@ static ssize_t dasd_alias_show(struct device *dev, device = dasd_device_from_cdev(to_ccwdev(dev)); if (IS_ERR(device)) - return sprintf(buf, "0\n"); + return sysfs_emit(buf, "0\n"); if (device->discipline && device->discipline->get_uid && !device->discipline->get_uid(device, &uid)) { if (uid.type == UA_BASE_PAV_ALIAS || uid.type == UA_HYPER_PAV_ALIAS) { dasd_put_device(device); - return sprintf(buf, "1\n"); + return sysfs_emit(buf, "1\n"); } } dasd_put_device(device); - return sprintf(buf, "0\n"); + return sysfs_emit(buf, "0\n"); } static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL); @@ -1412,15 +1408,9 @@ dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf) break; } - if (strlen(uid.vduit) > 0) - snprintf(uid_string, sizeof(uid_string), - "%s.%s.%04x.%s.%s", - uid.vendor, uid.serial, uid.ssid, ua_string, - uid.vduit); - else - snprintf(uid_string, sizeof(uid_string), - "%s.%s.%04x.%s", - uid.vendor, uid.serial, uid.ssid, ua_string); + snprintf(uid_string, sizeof(uid_string), "%s.%s.%04x.%s%s%s", + uid.vendor, uid.serial, uid.ssid, ua_string, + uid.vduit[0] ? "." : "", uid.vduit); } dasd_put_device(device); @@ -1862,7 +1852,7 @@ static ssize_t dasd_pm_show(struct device *dev, device = dasd_device_from_cdev(to_ccwdev(dev)); if (IS_ERR(device)) - return sprintf(buf, "0\n"); + return sysfs_emit(buf, "0\n"); opm = dasd_path_get_opm(device); nppm = dasd_path_get_nppm(device); @@ -1872,8 +1862,8 @@ static ssize_t dasd_pm_show(struct device *dev, ifccpm = dasd_path_get_ifccpm(device); dasd_put_device(device); - return sprintf(buf, "%02x %02x %02x %02x %02x %02x\n", opm, nppm, - cablepm, cuirpm, hpfpm, ifccpm); + return sysfs_emit(buf, "%02x %02x %02x %02x %02x %02x\n", opm, nppm, + cablepm, cuirpm, hpfpm, ifccpm); } static DEVICE_ATTR(path_masks, 0444, dasd_pm_show, NULL); diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 2e4e555b37c3..ea4b1d01bb76 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -8,8 +8,6 @@ * */ -#define KMSG_COMPONENT "dasd" - #include <linux/kernel_stat.h> #include <linux/stddef.h> #include <linux/kernel.h> @@ -31,8 +29,6 @@ #include "dasd_int.h" #include "dasd_diag.h" -#define PRINTK_HEADER "dasd(diag):" - MODULE_LICENSE("GPL"); /* The maximum number of blocks per request (max_blocks) is dependent on the @@ -621,25 +617,9 @@ dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, "dump sense not available for DIAG data"); } -/* - * Initialize block layer request queue. - */ -static void dasd_diag_setup_blk_queue(struct dasd_block *block) +static unsigned int dasd_diag_max_sectors(struct dasd_block *block) { - unsigned int logical_block_size = block->bp_block; - struct request_queue *q = block->gdp->queue; - int max; - - max = DIAG_MAX_BLOCKS << block->s2b_shift; - blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - q->limits.max_dev_sectors = max; - blk_queue_logical_block_size(q, logical_block_size); - blk_queue_max_hw_sectors(q, max); - blk_queue_max_segments(q, USHRT_MAX); - /* With page sized segments each segment can be translated into one idaw/tidaw */ - blk_queue_max_segment_size(q, PAGE_SIZE); - blk_queue_segment_boundary(q, PAGE_SIZE - 1); - blk_queue_dma_alignment(q, PAGE_SIZE - 1); + return DIAG_MAX_BLOCKS << block->s2b_shift; } static int dasd_diag_pe_handler(struct dasd_device *device, @@ -652,10 +632,10 @@ static struct dasd_discipline dasd_diag_discipline = { .owner = THIS_MODULE, .name = "DIAG", .ebcname = "DIAG", + .max_sectors = dasd_diag_max_sectors, .check_device = dasd_diag_check_device, .pe_handler = dasd_diag_pe_handler, .fill_geometry = dasd_diag_fill_geometry, - .setup_blk_queue = dasd_diag_setup_blk_queue, .start_IO = dasd_start_diag, .term_IO = dasd_diag_term_IO, .handle_terminated_request = dasd_diag_handle_terminated_request, diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index bd89b032968a..373c1a86c33e 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -10,8 +10,6 @@ * Author.........: Nigel Hislop <hislop_nigel@emc.com> */ -#define KMSG_COMPONENT "dasd-eckd" - #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/slab.h> @@ -37,11 +35,6 @@ #include "dasd_int.h" #include "dasd_eckd.h" -#ifdef PRINTK_HEADER -#undef PRINTK_HEADER -#endif /* PRINTK_HEADER */ -#define PRINTK_HEADER "dasd(eckd):" - /* * raw track access always map to 64k in memory * so it maps to 16 blocks of 4k per track @@ -1072,22 +1065,14 @@ static void dasd_eckd_read_fc_security(struct dasd_device *device) } } -static void dasd_eckd_get_uid_string(struct dasd_conf *conf, - char *print_uid) +static void dasd_eckd_get_uid_string(struct dasd_conf *conf, char *print_uid) { struct dasd_uid uid; create_uid(conf, &uid); - if (strlen(uid.vduit) > 0) - snprintf(print_uid, DASD_UID_STRLEN, - "%s.%s.%04x.%02x.%s", - uid.vendor, uid.serial, uid.ssid, - uid.real_unit_addr, uid.vduit); - else - snprintf(print_uid, DASD_UID_STRLEN, - "%s.%s.%04x.%02x", - uid.vendor, uid.serial, uid.ssid, - uid.real_unit_addr); + snprintf(print_uid, DASD_UID_STRLEN, "%s.%s.%04x.%02x%s%s", + uid.vendor, uid.serial, uid.ssid, uid.real_unit_addr, + uid.vduit[0] ? "." : "", uid.vduit); } static int dasd_eckd_check_cabling(struct dasd_device *device, @@ -5529,15 +5514,15 @@ dasd_eckd_ioctl(struct dasd_block *block, unsigned int cmd, void __user *argp) * and return number of printed chars. */ static void -dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page) +dasd_eckd_dump_ccw_range(struct dasd_device *device, struct ccw1 *from, + struct ccw1 *to, char *page) { int len, count; char *datap; len = 0; while (from <= to) { - len += sprintf(page + len, PRINTK_HEADER - " CCW %p: %08X %08X DAT:", + len += sprintf(page + len, "CCW %px: %08X %08X DAT:", from, ((int *) from)[0], ((int *) from)[1]); /* get pointer to data (consider IDALs) */ @@ -5560,7 +5545,7 @@ dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page) from++; } if (len > 0) - printk(KERN_ERR "%s", page); + dev_err(&device->cdev->dev, "%s", page); } static void @@ -5591,9 +5576,12 @@ dasd_eckd_dump_sense_dbf(struct dasd_device *device, struct irb *irb, static void dasd_eckd_dump_sense_ccw(struct dasd_device *device, struct dasd_ccw_req *req, struct irb *irb) { - char *page; struct ccw1 *first, *last, *fail, *from, *to; + struct device *dev; int len, sl, sct; + char *page; + + dev = &device->cdev->dev; page = (char *) get_zeroed_page(GFP_ATOMIC); if (page == NULL) { @@ -5602,24 +5590,18 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device, return; } /* dump the sense data */ - len = sprintf(page, PRINTK_HEADER - " I/O status report for device %s:\n", - dev_name(&device->cdev->dev)); - len += sprintf(page + len, PRINTK_HEADER - " in req: %p CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X " - "CS:%02X RC:%d\n", + len = sprintf(page, "I/O status report:\n"); + len += sprintf(page + len, + "in req: %px CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X CS:%02X RC:%d\n", req, scsw_cc(&irb->scsw), scsw_fctl(&irb->scsw), scsw_actl(&irb->scsw), scsw_stctl(&irb->scsw), scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw), req ? req->intrc : 0); - len += sprintf(page + len, PRINTK_HEADER - " device %s: Failing CCW: %p\n", - dev_name(&device->cdev->dev), + len += sprintf(page + len, "Failing CCW: %px\n", phys_to_virt(irb->scsw.cmd.cpa)); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { - len += sprintf(page + len, PRINTK_HEADER - " Sense(hex) %2d-%2d:", + len += sprintf(page + len, "Sense(hex) %2d-%2d:", (8 * sl), ((8 * sl) + 7)); for (sct = 0; sct < 8; sct++) { @@ -5631,23 +5613,20 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device, if (irb->ecw[27] & DASD_SENSE_BIT_0) { /* 24 Byte Sense Data */ - sprintf(page + len, PRINTK_HEADER - " 24 Byte: %x MSG %x, " - "%s MSGb to SYSOP\n", + sprintf(page + len, + "24 Byte: %x MSG %x, %s MSGb to SYSOP\n", irb->ecw[7] >> 4, irb->ecw[7] & 0x0f, irb->ecw[1] & 0x10 ? "" : "no"); } else { /* 32 Byte Sense Data */ - sprintf(page + len, PRINTK_HEADER - " 32 Byte: Format: %x " - "Exception class %x\n", + sprintf(page + len, + "32 Byte: Format: %x Exception class %x\n", irb->ecw[6] & 0x0f, irb->ecw[22] >> 4); } } else { - sprintf(page + len, PRINTK_HEADER - " SORRY - NO VALID SENSE AVAILABLE\n"); + sprintf(page + len, "SORRY - NO VALID SENSE AVAILABLE\n"); } - printk(KERN_ERR "%s", page); + dev_err(dev, "%s", page); if (req) { /* req == NULL for unsolicited interrupts */ @@ -5656,8 +5635,8 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device, first = req->cpaddr; for (last = first; last->flags & (CCW_FLAG_CC | CCW_FLAG_DC); last++); to = min(first + 6, last); - printk(KERN_ERR PRINTK_HEADER " Related CP in req: %p\n", req); - dasd_eckd_dump_ccw_range(first, to, page); + dev_err(dev, "Related CP in req: %px\n", req); + dasd_eckd_dump_ccw_range(device, first, to, page); /* print failing CCW area (maximum 4) */ /* scsw->cda is either valid or zero */ @@ -5665,19 +5644,19 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device, fail = phys_to_virt(irb->scsw.cmd.cpa); /* failing CCW */ if (from < fail - 2) { from = fail - 2; /* there is a gap - print header */ - printk(KERN_ERR PRINTK_HEADER "......\n"); + dev_err(dev, "......\n"); } to = min(fail + 1, last); - dasd_eckd_dump_ccw_range(from, to, page + len); + dasd_eckd_dump_ccw_range(device, from, to, page + len); /* print last CCWs (maximum 2) */ len = 0; from = max(from, ++to); if (from < last - 1) { from = last - 1; /* there is a gap - print header */ - printk(KERN_ERR PRINTK_HEADER "......\n"); + dev_err(dev, "......\n"); } - dasd_eckd_dump_ccw_range(from, last, page + len); + dasd_eckd_dump_ccw_range(device, from, last, page + len); } free_page((unsigned long) page); } @@ -5701,11 +5680,9 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device, return; } /* dump the sense data */ - len = sprintf(page, PRINTK_HEADER - " I/O status report for device %s:\n", - dev_name(&device->cdev->dev)); - len += sprintf(page + len, PRINTK_HEADER - " in req: %p CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X " + len = sprintf(page, "I/O status report:\n"); + len += sprintf(page + len, + "in req: %px CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X " "CS:%02X fcxs:%02X schxs:%02X RC:%d\n", req, scsw_cc(&irb->scsw), scsw_fctl(&irb->scsw), scsw_actl(&irb->scsw), scsw_stctl(&irb->scsw), @@ -5713,9 +5690,7 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device, irb->scsw.tm.fcxs, (irb->scsw.tm.ifob << 7) | irb->scsw.tm.sesq, req ? req->intrc : 0); - len += sprintf(page + len, PRINTK_HEADER - " device %s: Failing TCW: %p\n", - dev_name(&device->cdev->dev), + len += sprintf(page + len, "Failing TCW: %px\n", phys_to_virt(irb->scsw.tm.tcw)); tsb = NULL; @@ -5724,47 +5699,37 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device, tsb = tcw_get_tsb(phys_to_virt(irb->scsw.tm.tcw)); if (tsb) { - len += sprintf(page + len, PRINTK_HEADER - " tsb->length %d\n", tsb->length); - len += sprintf(page + len, PRINTK_HEADER - " tsb->flags %x\n", tsb->flags); - len += sprintf(page + len, PRINTK_HEADER - " tsb->dcw_offset %d\n", tsb->dcw_offset); - len += sprintf(page + len, PRINTK_HEADER - " tsb->count %d\n", tsb->count); + len += sprintf(page + len, "tsb->length %d\n", tsb->length); + len += sprintf(page + len, "tsb->flags %x\n", tsb->flags); + len += sprintf(page + len, "tsb->dcw_offset %d\n", tsb->dcw_offset); + len += sprintf(page + len, "tsb->count %d\n", tsb->count); residual = tsb->count - 28; - len += sprintf(page + len, PRINTK_HEADER - " residual %d\n", residual); + len += sprintf(page + len, "residual %d\n", residual); switch (tsb->flags & 0x07) { case 1: /* tsa_iostat */ - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.iostat.dev_time %d\n", + len += sprintf(page + len, "tsb->tsa.iostat.dev_time %d\n", tsb->tsa.iostat.dev_time); - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.iostat.def_time %d\n", + len += sprintf(page + len, "tsb->tsa.iostat.def_time %d\n", tsb->tsa.iostat.def_time); - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.iostat.queue_time %d\n", + len += sprintf(page + len, "tsb->tsa.iostat.queue_time %d\n", tsb->tsa.iostat.queue_time); - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.iostat.dev_busy_time %d\n", + len += sprintf(page + len, "tsb->tsa.iostat.dev_busy_time %d\n", tsb->tsa.iostat.dev_busy_time); - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.iostat.dev_act_time %d\n", + len += sprintf(page + len, "tsb->tsa.iostat.dev_act_time %d\n", tsb->tsa.iostat.dev_act_time); sense = tsb->tsa.iostat.sense; break; case 2: /* ts_ddpc */ - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.ddpc.rc %d\n", tsb->tsa.ddpc.rc); + len += sprintf(page + len, "tsb->tsa.ddpc.rc %d\n", + tsb->tsa.ddpc.rc); for (sl = 0; sl < 2; sl++) { - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.ddpc.rcq %2d-%2d: ", + len += sprintf(page + len, + "tsb->tsa.ddpc.rcq %2d-%2d: ", (8 * sl), ((8 * sl) + 7)); rcq = tsb->tsa.ddpc.rcq; for (sct = 0; sct < 8; sct++) { - len += sprintf(page + len, " %02x", + len += sprintf(page + len, "%02x", rcq[8 * sl + sct]); } len += sprintf(page + len, "\n"); @@ -5772,15 +5737,15 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device, sense = tsb->tsa.ddpc.sense; break; case 3: /* tsa_intrg */ - len += sprintf(page + len, PRINTK_HEADER - " tsb->tsa.intrg.: not supported yet\n"); + len += sprintf(page + len, + "tsb->tsa.intrg.: not supported yet\n"); break; } if (sense) { for (sl = 0; sl < 4; sl++) { - len += sprintf(page + len, PRINTK_HEADER - " Sense(hex) %2d-%2d:", + len += sprintf(page + len, + "Sense(hex) %2d-%2d:", (8 * sl), ((8 * sl) + 7)); for (sct = 0; sct < 8; sct++) { len += sprintf(page + len, " %02x", @@ -5791,27 +5756,23 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device, if (sense[27] & DASD_SENSE_BIT_0) { /* 24 Byte Sense Data */ - sprintf(page + len, PRINTK_HEADER - " 24 Byte: %x MSG %x, " - "%s MSGb to SYSOP\n", + sprintf(page + len, + "24 Byte: %x MSG %x, %s MSGb to SYSOP\n", sense[7] >> 4, sense[7] & 0x0f, sense[1] & 0x10 ? "" : "no"); } else { /* 32 Byte Sense Data */ - sprintf(page + len, PRINTK_HEADER - " 32 Byte: Format: %x " - "Exception class %x\n", + sprintf(page + len, + "32 Byte: Format: %x Exception class %x\n", sense[6] & 0x0f, sense[22] >> 4); } } else { - sprintf(page + len, PRINTK_HEADER - " SORRY - NO VALID SENSE AVAILABLE\n"); + sprintf(page + len, "SORRY - NO VALID SENSE AVAILABLE\n"); } } else { - sprintf(page + len, PRINTK_HEADER - " SORRY - NO TSB DATA AVAILABLE\n"); + sprintf(page + len, "SORRY - NO TSB DATA AVAILABLE\n"); } - printk(KERN_ERR "%s", page); + dev_err(&device->cdev->dev, "%s", page); free_page((unsigned long) page); } @@ -6865,17 +6826,9 @@ static void dasd_eckd_handle_hpf_error(struct dasd_device *device, dasd_schedule_requeue(device); } -/* - * Initialize block layer request queue. - */ -static void dasd_eckd_setup_blk_queue(struct dasd_block *block) +static unsigned int dasd_eckd_max_sectors(struct dasd_block *block) { - unsigned int logical_block_size = block->bp_block; - struct request_queue *q = block->gdp->queue; - struct dasd_device *device = block->base; - int max; - - if (device->features & DASD_FEATURE_USERAW) { + if (block->base->features & DASD_FEATURE_USERAW) { /* * the max_blocks value for raw_track access is 256 * it is higher than the native ECKD value because we @@ -6883,19 +6836,10 @@ static void dasd_eckd_setup_blk_queue(struct dasd_block *block) * so the max_hw_sectors are * 2048 x 512B = 1024kB = 16 tracks */ - max = DASD_ECKD_MAX_BLOCKS_RAW << block->s2b_shift; - } else { - max = DASD_ECKD_MAX_BLOCKS << block->s2b_shift; + return DASD_ECKD_MAX_BLOCKS_RAW << block->s2b_shift; } - blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - q->limits.max_dev_sectors = max; - blk_queue_logical_block_size(q, logical_block_size); - blk_queue_max_hw_sectors(q, max); - blk_queue_max_segments(q, USHRT_MAX); - /* With page sized segments each segment can be translated into one idaw/tidaw */ - blk_queue_max_segment_size(q, PAGE_SIZE); - blk_queue_segment_boundary(q, PAGE_SIZE - 1); - blk_queue_dma_alignment(q, PAGE_SIZE - 1); + + return DASD_ECKD_MAX_BLOCKS << block->s2b_shift; } static struct ccw_driver dasd_eckd_driver = { @@ -6927,7 +6871,7 @@ static struct dasd_discipline dasd_eckd_discipline = { .basic_to_ready = dasd_eckd_basic_to_ready, .online_to_ready = dasd_eckd_online_to_ready, .basic_to_known = dasd_eckd_basic_to_known, - .setup_blk_queue = dasd_eckd_setup_blk_queue, + .max_sectors = dasd_eckd_max_sectors, .fill_geometry = dasd_eckd_fill_geometry, .start_IO = dasd_start_IO, .term_IO = dasd_term_IO, diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index c956de711cf7..5064a616e041 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -7,8 +7,6 @@ * Author(s): Stefan Weinhuber <wein@de.ibm.com> */ -#define KMSG_COMPONENT "dasd-eckd" - #include <linux/init.h> #include <linux/fs.h> #include <linux/kernel.h> @@ -28,11 +26,6 @@ #include "dasd_int.h" #include "dasd_eckd.h" -#ifdef PRINTK_HEADER -#undef PRINTK_HEADER -#endif /* PRINTK_HEADER */ -#define PRINTK_HEADER "dasd(eer):" - /* * SECTION: the internal buffer */ diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c index c07e6e713518..4c0d3a704513 100644 --- a/drivers/s390/block/dasd_erp.c +++ b/drivers/s390/block/dasd_erp.c @@ -9,8 +9,6 @@ * */ -#define KMSG_COMPONENT "dasd" - #include <linux/ctype.h> #include <linux/init.h> @@ -18,9 +16,6 @@ #include <asm/ebcdic.h> #include <linux/uaccess.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd_erp:" - #include "dasd_int.h" struct dasd_ccw_req * @@ -170,12 +165,12 @@ dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb) device = cqr->startdev; if (cqr->intrc == -ETIMEDOUT) { dev_err(&device->cdev->dev, - "A timeout error occurred for cqr %p\n", cqr); + "A timeout error occurred for cqr %px\n", cqr); return; } if (cqr->intrc == -ENOLINK) { dev_err(&device->cdev->dev, - "A transport error occurred for cqr %p\n", cqr); + "A transport error occurred for cqr %px\n", cqr); return; } /* dump sense data */ diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index c06fa2b27120..bcbb2f8e91fe 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -25,11 +25,6 @@ #include "dasd_int.h" #include "dasd_fba.h" -#ifdef PRINTK_HEADER -#undef PRINTK_HEADER -#endif /* PRINTK_HEADER */ -#define PRINTK_HEADER "dasd(fba):" - #define FBA_DEFAULT_RETRIES 32 #define DASD_FBA_CCW_WRITE 0x41 @@ -660,30 +655,27 @@ static void dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, struct irb *irb) { - char *page; struct ccw1 *act, *end, *last; int len, sl, sct, count; + struct device *dev; + char *page; + + dev = &device->cdev->dev; page = (char *) get_zeroed_page(GFP_ATOMIC); if (page == NULL) { DBF_DEV_EVENT(DBF_WARNING, device, "%s", - "No memory to dump sense data"); + "No memory to dump sense data"); return; } - len = sprintf(page, PRINTK_HEADER - " I/O status report for device %s:\n", - dev_name(&device->cdev->dev)); - len += sprintf(page + len, PRINTK_HEADER - " in req: %p CS: 0x%02X DS: 0x%02X\n", req, - irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); - len += sprintf(page + len, PRINTK_HEADER - " device %s: Failing CCW: %p\n", - dev_name(&device->cdev->dev), + len = sprintf(page, "I/O status report:\n"); + len += sprintf(page + len, "in req: %px CS: 0x%02X DS: 0x%02X\n", + req, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); + len += sprintf(page + len, "Failing CCW: %px\n", (void *) (addr_t) irb->scsw.cmd.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { - len += sprintf(page + len, PRINTK_HEADER - " Sense(hex) %2d-%2d:", + len += sprintf(page + len, "Sense(hex) %2d-%2d:", (8 * sl), ((8 * sl) + 7)); for (sct = 0; sct < 8; sct++) { @@ -693,20 +685,18 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, len += sprintf(page + len, "\n"); } } else { - len += sprintf(page + len, PRINTK_HEADER - " SORRY - NO VALID SENSE AVAILABLE\n"); + len += sprintf(page + len, "SORRY - NO VALID SENSE AVAILABLE\n"); } - printk(KERN_ERR "%s", page); + dev_err(dev, "%s", page); /* dump the Channel Program */ /* print first CCWs (maximum 8) */ act = req->cpaddr; - for (last = act; last->flags & (CCW_FLAG_CC | CCW_FLAG_DC); last++); + for (last = act; last->flags & (CCW_FLAG_CC | CCW_FLAG_DC); last++); end = min(act + 8, last); - len = sprintf(page, PRINTK_HEADER " Related CP in req: %p\n", req); + len = sprintf(page, "Related CP in req: %px\n", req); while (act <= end) { - len += sprintf(page + len, PRINTK_HEADER - " CCW %p: %08X %08X DAT:", + len += sprintf(page + len, "CCW %px: %08X %08X DAT:", act, ((int *) act)[0], ((int *) act)[1]); for (count = 0; count < 32 && count < act->count; count += sizeof(int)) @@ -716,19 +706,17 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, len += sprintf(page + len, "\n"); act++; } - printk(KERN_ERR "%s", page); - + dev_err(dev, "%s", page); /* print failing CCW area */ len = 0; if (act < ((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa) - 2) { act = ((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa) - 2; - len += sprintf(page + len, PRINTK_HEADER "......\n"); + len += sprintf(page + len, "......\n"); } end = min((struct ccw1 *)(addr_t) irb->scsw.cmd.cpa + 2, last); while (act <= end) { - len += sprintf(page + len, PRINTK_HEADER - " CCW %p: %08X %08X DAT:", + len += sprintf(page + len, "CCW %px: %08X %08X DAT:", act, ((int *) act)[0], ((int *) act)[1]); for (count = 0; count < 32 && count < act->count; count += sizeof(int)) @@ -742,11 +730,10 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, /* print last CCWs */ if (act < last - 2) { act = last - 2; - len += sprintf(page + len, PRINTK_HEADER "......\n"); + len += sprintf(page + len, "......\n"); } while (act <= last) { - len += sprintf(page + len, PRINTK_HEADER - " CCW %p: %08X %08X DAT:", + len += sprintf(page + len, "CCW %px: %08X %08X DAT:", act, ((int *) act)[0], ((int *) act)[1]); for (count = 0; count < 32 && count < act->count; count += sizeof(int)) @@ -757,39 +744,13 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, act++; } if (len > 0) - printk(KERN_ERR "%s", page); + dev_err(dev, "%s", page); free_page((unsigned long) page); } -/* - * Initialize block layer request queue. - */ -static void dasd_fba_setup_blk_queue(struct dasd_block *block) +static unsigned int dasd_fba_max_sectors(struct dasd_block *block) { - unsigned int logical_block_size = block->bp_block; - struct request_queue *q = block->gdp->queue; - unsigned int max_bytes, max_discard_sectors; - int max; - - max = DASD_FBA_MAX_BLOCKS << block->s2b_shift; - blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - q->limits.max_dev_sectors = max; - blk_queue_logical_block_size(q, logical_block_size); - blk_queue_max_hw_sectors(q, max); - blk_queue_max_segments(q, USHRT_MAX); - /* With page sized segments each segment can be translated into one idaw/tidaw */ - blk_queue_max_segment_size(q, PAGE_SIZE); - blk_queue_segment_boundary(q, PAGE_SIZE - 1); - - q->limits.discard_granularity = logical_block_size; - - /* Calculate max_discard_sectors and make it PAGE aligned */ - max_bytes = USHRT_MAX * logical_block_size; - max_bytes = ALIGN_DOWN(max_bytes, PAGE_SIZE); - max_discard_sectors = max_bytes / logical_block_size; - - blk_queue_max_discard_sectors(q, max_discard_sectors); - blk_queue_max_write_zeroes_sectors(q, max_discard_sectors); + return DASD_FBA_MAX_BLOCKS << block->s2b_shift; } static int dasd_fba_pe_handler(struct dasd_device *device, @@ -802,10 +763,11 @@ static struct dasd_discipline dasd_fba_discipline = { .owner = THIS_MODULE, .name = "FBA ", .ebcname = "FBA ", + .has_discard = true, .check_device = dasd_fba_check_characteristics, .do_analysis = dasd_fba_do_analysis, .pe_handler = dasd_fba_pe_handler, - .setup_blk_queue = dasd_fba_setup_blk_queue, + .max_sectors = dasd_fba_max_sectors, .fill_geometry = dasd_fba_fill_geometry, .start_IO = dasd_start_IO, .term_IO = dasd_term_IO, diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index 8bf2cf0ccc15..4533dd055ca8 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -11,8 +11,6 @@ * */ -#define KMSG_COMPONENT "dasd" - #include <linux/interrupt.h> #include <linux/major.h> #include <linux/fs.h> @@ -20,9 +18,6 @@ #include <linux/uaccess.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd_gendisk:" - #include "dasd_int.h" static unsigned int queue_depth = 32; @@ -39,6 +34,16 @@ MODULE_PARM_DESC(nr_hw_queues, "Default number of hardware queues for new DASD d */ int dasd_gendisk_alloc(struct dasd_block *block) { + struct queue_limits lim = { + /* + * With page sized segments, each segment can be translated into + * one idaw/tidaw. + */ + .max_segment_size = PAGE_SIZE, + .seg_boundary_mask = PAGE_SIZE - 1, + .dma_alignment = PAGE_SIZE - 1, + .max_segments = USHRT_MAX, + }; struct gendisk *gdp; struct dasd_device *base; int len, rc; @@ -58,11 +63,12 @@ int dasd_gendisk_alloc(struct dasd_block *block) if (rc) return rc; - gdp = blk_mq_alloc_disk(&block->tag_set, block); + gdp = blk_mq_alloc_disk(&block->tag_set, &lim, block); if (IS_ERR(gdp)) { blk_mq_free_tag_set(&block->tag_set); return PTR_ERR(gdp); } + blk_queue_flag_set(QUEUE_FLAG_NONROT, gdp->queue); /* Initialize gendisk structure. */ gdp->major = DASD_MAJOR; diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index aecd502aec51..e5f40536b425 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -113,9 +113,6 @@ do { \ __dev_id.ssid, __dev_id.devno, d_data); \ } while (0) -/* limit size for an errorstring */ -#define ERRORLENGTH 30 - /* definition of dbf debug levels */ #define DBF_EMERG 0 /* system is unusable */ #define DBF_ALERT 1 /* action must be taken immediately */ @@ -126,32 +123,6 @@ do { \ #define DBF_INFO 6 /* informational */ #define DBF_DEBUG 6 /* debug-level messages */ -/* messages to be written via klogd and dbf */ -#define DEV_MESSAGE(d_loglevel,d_device,d_string,d_args...)\ -do { \ - printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \ - dev_name(&d_device->cdev->dev), d_args); \ - DBF_DEV_EVENT(DBF_ALERT, d_device, d_string, d_args); \ -} while(0) - -#define MESSAGE(d_loglevel,d_string,d_args...)\ -do { \ - printk(d_loglevel PRINTK_HEADER " " d_string "\n", d_args); \ - DBF_EVENT(DBF_ALERT, d_string, d_args); \ -} while(0) - -/* messages to be written via klogd only */ -#define DEV_MESSAGE_LOG(d_loglevel,d_device,d_string,d_args...)\ -do { \ - printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \ - dev_name(&d_device->cdev->dev), d_args); \ -} while(0) - -#define MESSAGE_LOG(d_loglevel,d_string,d_args...)\ -do { \ - printk(d_loglevel PRINTK_HEADER " " d_string "\n", d_args); \ -} while(0) - /* Macro to calculate number of blocks per page */ #define BLOCKS_PER_PAGE(blksize) (PAGE_SIZE / blksize) @@ -322,6 +293,7 @@ struct dasd_discipline { struct module *owner; char ebcname[8]; /* a name used for tagging and printks */ char name[8]; /* a name used for tagging and printks */ + bool has_discard; struct list_head list; /* used for list of disciplines */ @@ -360,10 +332,7 @@ struct dasd_discipline { int (*online_to_ready) (struct dasd_device *); int (*basic_to_known)(struct dasd_device *); - /* - * Initialize block layer request queue. - */ - void (*setup_blk_queue)(struct dasd_block *); + unsigned int (*max_sectors)(struct dasd_block *); /* (struct dasd_device *); * Device operation functions. build_cp creates a ccw chain for * a block device request, start_io starts the request and diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index de85a5e4e21b..7e0ed7032f76 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -10,8 +10,6 @@ * i/o controls for the dasd driver. */ -#define KMSG_COMPONENT "dasd" - #include <linux/interrupt.h> #include <linux/compat.h> #include <linux/major.h> @@ -24,12 +22,8 @@ #include <linux/uaccess.h> #include <linux/dasd_mod.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd_ioctl:" - #include "dasd_int.h" - static int dasd_ioctl_api_version(void __user *argp) { diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 62a859ea67f8..0faaa437d9be 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -11,8 +11,6 @@ * */ -#define KMSG_COMPONENT "dasd" - #include <linux/ctype.h> #include <linux/slab.h> #include <linux/string.h> @@ -23,9 +21,6 @@ #include <asm/debug.h> #include <linux/uaccess.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd_proc:" - #include "dasd_int.h" static struct proc_dir_entry *dasd_proc_root_entry = NULL; diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 4b7ecd4fd431..9c8f529b827c 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -546,6 +546,9 @@ static const struct attribute_group *dcssblk_dev_attr_groups[] = { static ssize_t dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct queue_limits lim = { + .logical_block_size = 4096, + }; int rc, i, j, num_of_segments; struct dcssblk_dev_info *dev_info; struct segment_info *seg_info, *temp; @@ -629,9 +632,9 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char dev_info->dev.release = dcssblk_release_segment; dev_info->dev.groups = dcssblk_dev_attr_groups; INIT_LIST_HEAD(&dev_info->lh); - dev_info->gd = blk_alloc_disk(NUMA_NO_NODE); - if (dev_info->gd == NULL) { - rc = -ENOMEM; + dev_info->gd = blk_alloc_disk(&lim, NUMA_NO_NODE); + if (IS_ERR(dev_info->gd)) { + rc = PTR_ERR(dev_info->gd); goto seg_list_del; } dev_info->gd->major = dcssblk_major; @@ -639,7 +642,6 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char dev_info->gd->fops = &dcssblk_devops; dev_info->gd->private_data = dev_info; dev_info->gd->flags |= GENHD_FL_NO_PART; - blk_queue_logical_block_size(dev_info->gd->queue, 4096); blk_queue_flag_set(QUEUE_FLAG_DAX, dev_info->gd->queue); seg_byte_size = (dev_info->end - dev_info->start + 1); diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index ade95e91b3c8..9f6fdd0daa74 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -435,10 +435,17 @@ static const struct blk_mq_ops scm_mq_ops = { int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) { - unsigned int devindex, nr_max_blk; + struct queue_limits lim = { + .logical_block_size = 1 << 12, + }; + unsigned int devindex; struct request_queue *rq; int len, ret; + lim.max_segments = min(scmdev->nr_max_block, + (unsigned int) (PAGE_SIZE / sizeof(struct aidaw))); + lim.max_hw_sectors = lim.max_segments << 3; /* 8 * 512 = blk_size */ + devindex = atomic_inc_return(&nr_devices) - 1; /* scma..scmz + scmaa..scmzz */ if (devindex > 701) { @@ -462,18 +469,12 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) if (ret) goto out; - bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, scmdev); + bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, &lim, scmdev); if (IS_ERR(bdev->gendisk)) { ret = PTR_ERR(bdev->gendisk); goto out_tag; } rq = bdev->rq = bdev->gendisk->queue; - nr_max_blk = min(scmdev->nr_max_block, - (unsigned int) (PAGE_SIZE / sizeof(struct aidaw))); - - blk_queue_logical_block_size(rq, 1 << 12); - blk_queue_max_hw_sectors(rq, nr_max_blk << 3); /* 8 * 512 = blk_size */ - blk_queue_max_segments(rq, nr_max_blk); blk_queue_flag_set(QUEUE_FLAG_NONROT, rq); blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, rq); |