diff options
-rw-r--r-- | drivers/lightnvm/pblk-core.c | 51 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-gc.c | 32 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-init.c | 76 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-rb.c | 8 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-read.c | 25 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-recovery.c | 44 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-sysfs.c | 5 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-write.c | 21 | ||||
-rw-r--r-- | drivers/lightnvm/pblk.h | 29 |
9 files changed, 153 insertions, 138 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 66ab1036f2fb..b829460fe827 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -35,7 +35,7 @@ static void pblk_line_mark_bb(struct work_struct *work) line = &pblk->lines[pblk_ppa_to_line(*ppa)]; pos = pblk_ppa_to_pos(&dev->geo, *ppa); - pr_err("pblk: failed to mark bb, line:%d, pos:%d\n", + pblk_err(pblk, "failed to mark bb, line:%d, pos:%d\n", line->id, pos); } @@ -51,12 +51,12 @@ static void pblk_mark_bb(struct pblk *pblk, struct pblk_line *line, struct ppa_addr *ppa; int pos = pblk_ppa_to_pos(geo, ppa_addr); - pr_debug("pblk: erase failed: line:%d, pos:%d\n", line->id, pos); + pblk_debug(pblk, "erase failed: line:%d, pos:%d\n", line->id, pos); atomic_long_inc(&pblk->erase_failed); atomic_dec(&line->blk_in_line); if (test_and_set_bit(pos, line->blk_bitmap)) - pr_err("pblk: attempted to erase bb: line:%d, pos:%d\n", + pblk_err(pblk, "attempted to erase bb: line:%d, pos:%d\n", line->id, pos); /* Not necessary to mark bad blocks on 2.0 spec. */ @@ -274,7 +274,7 @@ void pblk_free_rqd(struct pblk *pblk, struct nvm_rq *rqd, int type) pool = &pblk->e_rq_pool; break; default: - pr_err("pblk: trying to free unknown rqd type\n"); + pblk_err(pblk, "trying to free unknown rqd type\n"); return; } @@ -310,7 +310,7 @@ int pblk_bio_add_pages(struct pblk *pblk, struct bio *bio, gfp_t flags, ret = bio_add_pc_page(q, bio, page, PBLK_EXPOSED_PAGE_SIZE, 0); if (ret != PBLK_EXPOSED_PAGE_SIZE) { - pr_err("pblk: could not add page to bio\n"); + pblk_err(pblk, "could not add page to bio\n"); mempool_free(page, &pblk->page_bio_pool); goto err; } @@ -410,7 +410,7 @@ struct list_head *pblk_line_gc_list(struct pblk *pblk, struct pblk_line *line) line->state = PBLK_LINESTATE_CORRUPT; line->gc_group = PBLK_LINEGC_NONE; move_list = &l_mg->corrupt_list; - pr_err("pblk: corrupted vsc for line %d, vsc:%d (%d/%d/%d)\n", + pblk_err(pblk, "corrupted vsc for line %d, vsc:%d (%d/%d/%d)\n", line->id, vsc, line->sec_in_line, lm->high_thrs, lm->mid_thrs); @@ -452,7 +452,7 @@ void pblk_log_read_err(struct pblk *pblk, struct nvm_rq *rqd) atomic_long_inc(&pblk->read_failed); break; default: - pr_err("pblk: unknown read error:%d\n", rqd->error); + pblk_err(pblk, "unknown read error:%d\n", rqd->error); } #ifdef CONFIG_NVM_PBLK_DEBUG pblk_print_failed_rqd(pblk, rqd, rqd->error); @@ -517,7 +517,7 @@ struct bio *pblk_bio_map_addr(struct pblk *pblk, void *data, for (i = 0; i < nr_secs; i++) { page = vmalloc_to_page(kaddr); if (!page) { - pr_err("pblk: could not map vmalloc bio\n"); + pblk_err(pblk, "could not map vmalloc bio\n"); bio_put(bio); bio = ERR_PTR(-ENOMEM); goto out; @@ -525,7 +525,7 @@ struct bio *pblk_bio_map_addr(struct pblk *pblk, void *data, ret = bio_add_pc_page(dev->q, bio, page, PAGE_SIZE, 0); if (ret != PAGE_SIZE) { - pr_err("pblk: could not add page to bio\n"); + pblk_err(pblk, "could not add page to bio\n"); bio_put(bio); bio = ERR_PTR(-ENOMEM); goto out; @@ -711,7 +711,7 @@ next_rq: while (test_bit(pos, line->blk_bitmap)) { paddr += min; if (pblk_boundary_paddr_checks(pblk, paddr)) { - pr_err("pblk: corrupt emeta line:%d\n", + pblk_err(pblk, "corrupt emeta line:%d\n", line->id); bio_put(bio); ret = -EINTR; @@ -723,7 +723,7 @@ next_rq: } if (pblk_boundary_paddr_checks(pblk, paddr + min)) { - pr_err("pblk: corrupt emeta line:%d\n", + pblk_err(pblk, "corrupt emeta line:%d\n", line->id); bio_put(bio); ret = -EINTR; @@ -738,7 +738,7 @@ next_rq: ret = pblk_submit_io_sync(pblk, &rqd); if (ret) { - pr_err("pblk: emeta I/O submission failed: %d\n", ret); + pblk_err(pblk, "emeta I/O submission failed: %d\n", ret); bio_put(bio); goto free_rqd_dma; } @@ -843,7 +843,7 @@ static int pblk_line_submit_smeta_io(struct pblk *pblk, struct pblk_line *line, */ ret = pblk_submit_io_sync(pblk, &rqd); if (ret) { - pr_err("pblk: smeta I/O submission failed: %d\n", ret); + pblk_err(pblk, "smeta I/O submission failed: %d\n", ret); bio_put(bio); goto free_ppa_list; } @@ -905,7 +905,7 @@ static int pblk_blk_erase_sync(struct pblk *pblk, struct ppa_addr ppa) struct nvm_tgt_dev *dev = pblk->dev; struct nvm_geo *geo = &dev->geo; - pr_err("pblk: could not sync erase line:%d,blk:%d\n", + pblk_err(pblk, "could not sync erase line:%d,blk:%d\n", pblk_ppa_to_line(ppa), pblk_ppa_to_pos(geo, ppa)); @@ -945,7 +945,7 @@ int pblk_line_erase(struct pblk *pblk, struct pblk_line *line) ret = pblk_blk_erase_sync(pblk, ppa); if (ret) { - pr_err("pblk: failed to erase line %d\n", line->id); + pblk_err(pblk, "failed to erase line %d\n", line->id); return ret; } } while (1); @@ -1012,7 +1012,7 @@ static int pblk_line_init_metadata(struct pblk *pblk, struct pblk_line *line, list_add_tail(&line->list, &l_mg->bad_list); spin_unlock(&l_mg->free_lock); - pr_debug("pblk: line %d is bad\n", line->id); + pblk_debug(pblk, "line %d is bad\n", line->id); return 0; } @@ -1122,7 +1122,7 @@ static int pblk_line_init_bb(struct pblk *pblk, struct pblk_line *line, line->cur_sec = off + lm->smeta_sec; if (init && pblk_line_submit_smeta_io(pblk, line, off, PBLK_WRITE)) { - pr_debug("pblk: line smeta I/O failed. Retry\n"); + pblk_debug(pblk, "line smeta I/O failed. Retry\n"); return 0; } @@ -1154,7 +1154,7 @@ static int pblk_line_init_bb(struct pblk *pblk, struct pblk_line *line, spin_unlock(&line->lock); list_add_tail(&line->list, &l_mg->bad_list); - pr_err("pblk: unexpected line %d is bad\n", line->id); + pblk_err(pblk, "unexpected line %d is bad\n", line->id); return 0; } @@ -1299,7 +1299,7 @@ struct pblk_line *pblk_line_get(struct pblk *pblk) retry: if (list_empty(&l_mg->free_list)) { - pr_err("pblk: no free lines\n"); + pblk_err(pblk, "no free lines\n"); return NULL; } @@ -1315,7 +1315,7 @@ retry: list_add_tail(&line->list, &l_mg->bad_list); - pr_debug("pblk: line %d is bad\n", line->id); + pblk_debug(pblk, "line %d is bad\n", line->id); goto retry; } @@ -1329,7 +1329,7 @@ retry: list_add(&line->list, &l_mg->corrupt_list); goto retry; default: - pr_err("pblk: failed to prepare line %d\n", line->id); + pblk_err(pblk, "failed to prepare line %d\n", line->id); list_add(&line->list, &l_mg->free_list); l_mg->nr_free_lines++; return NULL; @@ -1477,7 +1477,7 @@ static void pblk_line_close_meta_sync(struct pblk *pblk) ret = pblk_submit_meta_io(pblk, line); if (ret) { - pr_err("pblk: sync meta line %d failed (%d)\n", + pblk_err(pblk, "sync meta line %d failed (%d)\n", line->id, ret); return; } @@ -1507,7 +1507,7 @@ void __pblk_pipeline_flush(struct pblk *pblk) ret = pblk_recov_pad(pblk); if (ret) { - pr_err("pblk: could not close data on teardown(%d)\n", ret); + pblk_err(pblk, "could not close data on teardown(%d)\n", ret); return; } @@ -1687,7 +1687,7 @@ int pblk_blk_erase_async(struct pblk *pblk, struct ppa_addr ppa) struct nvm_tgt_dev *dev = pblk->dev; struct nvm_geo *geo = &dev->geo; - pr_err("pblk: could not async erase line:%d,blk:%d\n", + pblk_err(pblk, "could not async erase line:%d,blk:%d\n", pblk_ppa_to_line(ppa), pblk_ppa_to_pos(geo, ppa)); } @@ -1866,7 +1866,8 @@ static void __pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list, ret = down_timeout(&rlun->wr_sem, msecs_to_jiffies(30000)); if (ret == -ETIME || ret == -EINTR) - pr_err("pblk: taking lun semaphore timed out: err %d\n", -ret); + pblk_err(pblk, "taking lun semaphore timed out: err %d\n", + -ret); } void pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas) diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c index 40d2dcb4f2bd..157c2567c9e8 100644 --- a/drivers/lightnvm/pblk-gc.c +++ b/drivers/lightnvm/pblk-gc.c @@ -90,7 +90,7 @@ static void pblk_gc_line_ws(struct work_struct *work) gc_rq->data = vmalloc(array_size(gc_rq->nr_secs, geo->csecs)); if (!gc_rq->data) { - pr_err("pblk: could not GC line:%d (%d/%d)\n", + pblk_err(pblk, "could not GC line:%d (%d/%d)\n", line->id, *line->vsc, gc_rq->nr_secs); goto out; } @@ -98,7 +98,7 @@ static void pblk_gc_line_ws(struct work_struct *work) /* Read from GC victim block */ ret = pblk_submit_read_gc(pblk, gc_rq); if (ret) { - pr_err("pblk: failed GC read in line:%d (err:%d)\n", + pblk_err(pblk, "failed GC read in line:%d (err:%d)\n", line->id, ret); goto out; } @@ -146,7 +146,7 @@ static __le64 *get_lba_list_from_emeta(struct pblk *pblk, ret = pblk_line_read_emeta(pblk, line, emeta_buf); if (ret) { - pr_err("pblk: line %d read emeta failed (%d)\n", + pblk_err(pblk, "line %d read emeta failed (%d)\n", line->id, ret); pblk_mfree(emeta_buf, l_mg->emeta_alloc_type); return NULL; @@ -160,7 +160,7 @@ static __le64 *get_lba_list_from_emeta(struct pblk *pblk, ret = pblk_recov_check_emeta(pblk, emeta_buf); if (ret) { - pr_err("pblk: inconsistent emeta (line %d)\n", + pblk_err(pblk, "inconsistent emeta (line %d)\n", line->id); pblk_mfree(emeta_buf, l_mg->emeta_alloc_type); return NULL; @@ -201,7 +201,7 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work) } else { lba_list = get_lba_list_from_emeta(pblk, line); if (!lba_list) { - pr_err("pblk: could not interpret emeta (line %d)\n", + pblk_err(pblk, "could not interpret emeta (line %d)\n", line->id); goto fail_free_invalid_bitmap; } @@ -213,7 +213,7 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work) spin_unlock(&line->lock); if (sec_left < 0) { - pr_err("pblk: corrupted GC line (%d)\n", line->id); + pblk_err(pblk, "corrupted GC line (%d)\n", line->id); goto fail_free_lba_list; } @@ -289,7 +289,7 @@ fail_free_ws: kref_put(&line->ref, pblk_line_put); atomic_dec(&gc->read_inflight_gc); - pr_err("pblk: Failed to GC line %d\n", line->id); + pblk_err(pblk, "failed to GC line %d\n", line->id); } static int pblk_gc_line(struct pblk *pblk, struct pblk_line *line) @@ -297,7 +297,7 @@ static int pblk_gc_line(struct pblk *pblk, struct pblk_line *line) struct pblk_gc *gc = &pblk->gc; struct pblk_line_ws *line_ws; - pr_debug("pblk: line '%d' being reclaimed for GC\n", line->id); + pblk_debug(pblk, "line '%d' being reclaimed for GC\n", line->id); line_ws = kmalloc(sizeof(struct pblk_line_ws), GFP_KERNEL); if (!line_ws) @@ -351,7 +351,7 @@ static int pblk_gc_read(struct pblk *pblk) pblk_gc_kick(pblk); if (pblk_gc_line(pblk, line)) - pr_err("pblk: failed to GC line %d\n", line->id); + pblk_err(pblk, "failed to GC line %d\n", line->id); return 0; } @@ -523,7 +523,7 @@ static int pblk_gc_reader_ts(void *data) } #ifdef CONFIG_NVM_PBLK_DEBUG - pr_info("pblk: flushing gc pipeline, %d lines left\n", + pblk_info(pblk, "flushing gc pipeline, %d lines left\n", atomic_read(&gc->pipeline_gc)); #endif @@ -540,7 +540,7 @@ static int pblk_gc_reader_ts(void *data) static void pblk_gc_start(struct pblk *pblk) { pblk->gc.gc_active = 1; - pr_debug("pblk: gc start\n"); + pblk_debug(pblk, "gc start\n"); } void pblk_gc_should_start(struct pblk *pblk) @@ -605,14 +605,14 @@ int pblk_gc_init(struct pblk *pblk) gc->gc_ts = kthread_create(pblk_gc_ts, pblk, "pblk-gc-ts"); if (IS_ERR(gc->gc_ts)) { - pr_err("pblk: could not allocate GC main kthread\n"); + pblk_err(pblk, "could not allocate GC main kthread\n"); return PTR_ERR(gc->gc_ts); } gc->gc_writer_ts = kthread_create(pblk_gc_writer_ts, pblk, "pblk-gc-writer-ts"); if (IS_ERR(gc->gc_writer_ts)) { - pr_err("pblk: could not allocate GC writer kthread\n"); + pblk_err(pblk, "could not allocate GC writer kthread\n"); ret = PTR_ERR(gc->gc_writer_ts); goto fail_free_main_kthread; } @@ -620,7 +620,7 @@ int pblk_gc_init(struct pblk *pblk) gc->gc_reader_ts = kthread_create(pblk_gc_reader_ts, pblk, "pblk-gc-reader-ts"); if (IS_ERR(gc->gc_reader_ts)) { - pr_err("pblk: could not allocate GC reader kthread\n"); + pblk_err(pblk, "could not allocate GC reader kthread\n"); ret = PTR_ERR(gc->gc_reader_ts); goto fail_free_writer_kthread; } @@ -641,7 +641,7 @@ int pblk_gc_init(struct pblk *pblk) gc->gc_line_reader_wq = alloc_workqueue("pblk-gc-line-reader-wq", WQ_MEM_RECLAIM | WQ_UNBOUND, PBLK_GC_MAX_READERS); if (!gc->gc_line_reader_wq) { - pr_err("pblk: could not allocate GC line reader workqueue\n"); + pblk_err(pblk, "could not allocate GC line reader workqueue\n"); ret = -ENOMEM; goto fail_free_reader_kthread; } @@ -650,7 +650,7 @@ int pblk_gc_init(struct pblk *pblk) gc->gc_reader_wq = alloc_workqueue("pblk-gc-line_wq", WQ_MEM_RECLAIM | WQ_UNBOUND, 1); if (!gc->gc_reader_wq) { - pr_err("pblk: could not allocate GC reader workqueue\n"); + pblk_err(pblk, "could not allocate GC reader workqueue\n"); ret = -ENOMEM; goto fail_free_reader_line_wq; } diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index 9ea30102f61c..d023ea6116bc 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -117,13 +117,13 @@ static int pblk_l2p_recover(struct pblk *pblk, bool factory_init) } else { line = pblk_recov_l2p(pblk); if (IS_ERR(line)) { - pr_err("pblk: could not recover l2p table\n"); + pblk_err(pblk, "could not recover l2p table\n"); return -EFAULT; } } #ifdef CONFIG_NVM_PBLK_DEBUG - pr_info("pblk init: L2P CRC: %x\n", pblk_l2p_crc(pblk)); + pblk_info(pblk, "init: L2P CRC: %x\n", pblk_l2p_crc(pblk)); #endif /* Free full lines directly as GC has not been started yet */ @@ -166,7 +166,7 @@ static int pblk_l2p_init(struct pblk *pblk, bool factory_init) static void pblk_rwb_free(struct pblk *pblk) { if (pblk_rb_tear_down_check(&pblk->rwb)) - pr_err("pblk: write buffer error on tear down\n"); + pblk_err(pblk, "write buffer error on tear down\n"); pblk_rb_data_free(&pblk->rwb); vfree(pblk_rb_entries_ref(&pblk->rwb)); @@ -203,7 +203,8 @@ static int pblk_rwb_init(struct pblk *pblk) /* Minimum pages needed within a lun */ #define ADDR_POOL_SIZE 64 -static int pblk_set_addrf_12(struct nvm_geo *geo, struct nvm_addrf_12 *dst) +static int pblk_set_addrf_12(struct pblk *pblk, struct nvm_geo *geo, + struct nvm_addrf_12 *dst) { struct nvm_addrf_12 *src = (struct nvm_addrf_12 *)&geo->addrf; int power_len; @@ -211,14 +212,14 @@ static int pblk_set_addrf_12(struct nvm_geo *geo, struct nvm_addrf_12 *dst) /* Re-calculate channel and lun format to adapt to configuration */ power_len = get_count_order(geo->num_ch); if (1 << power_len != geo->num_ch) { - pr_err("pblk: supports only power-of-two channel config.\n"); + pblk_err(pblk, "supports only power-of-two channel config.\n"); return -EINVAL; } dst->ch_len = power_len; power_len = get_count_order(geo->num_lun); if (1 << power_len != geo->num_lun) { - pr_err("pblk: supports only power-of-two LUN config.\n"); + pblk_err(pblk, "supports only power-of-two LUN config.\n"); return -EINVAL; } dst->lun_len = power_len; @@ -285,18 +286,19 @@ static int pblk_set_addrf(struct pblk *pblk) case NVM_OCSSD_SPEC_12: div_u64_rem(geo->clba, pblk->min_write_pgs, &mod); if (mod) { - pr_err("pblk: bad configuration of sectors/pages\n"); + pblk_err(pblk, "bad configuration of sectors/pages\n"); return -EINVAL; } - pblk->addrf_len = pblk_set_addrf_12(geo, (void *)&pblk->addrf); + pblk->addrf_len = pblk_set_addrf_12(pblk, geo, + (void *)&pblk->addrf); break; case NVM_OCSSD_SPEC_20: pblk->addrf_len = pblk_set_addrf_20(geo, (void *)&pblk->addrf, - &pblk->uaddrf); + &pblk->uaddrf); break; default: - pr_err("pblk: OCSSD revision not supported (%d)\n", + pblk_err(pblk, "OCSSD revision not supported (%d)\n", geo->version); return -EINVAL; } @@ -375,7 +377,7 @@ static int pblk_core_init(struct pblk *pblk) pblk_set_sec_per_write(pblk, pblk->min_write_pgs); if (pblk->max_write_pgs > PBLK_MAX_REQ_ADDRS) { - pr_err("pblk: vector list too big(%u > %u)\n", + pblk_err(pblk, "vector list too big(%u > %u)\n", pblk->max_write_pgs, PBLK_MAX_REQ_ADDRS); return -EINVAL; } @@ -608,7 +610,7 @@ static int pblk_luns_init(struct pblk *pblk) /* TODO: Implement unbalanced LUN support */ if (geo->num_lun < 0) { - pr_err("pblk: unbalanced LUN config.\n"); + pblk_err(pblk, "unbalanced LUN config.\n"); return -EINVAL; } @@ -1027,7 +1029,7 @@ add_emeta_page: lm->emeta_sec[0], geo->clba); if (lm->min_blk_line > lm->blk_per_line) { - pr_err("pblk: config. not supported. Min. LUN in line:%d\n", + pblk_err(pblk, "config. not supported. Min. LUN in line:%d\n", lm->blk_per_line); return -EINVAL; } @@ -1079,7 +1081,7 @@ static int pblk_lines_init(struct pblk *pblk) } if (!nr_free_chks) { - pr_err("pblk: too many bad blocks prevent for sane instance\n"); + pblk_err(pblk, "too many bad blocks prevent for sane instance\n"); return -EINTR; } @@ -1109,7 +1111,7 @@ static int pblk_writer_init(struct pblk *pblk) int err = PTR_ERR(pblk->writer_ts); if (err != -EINTR) - pr_err("pblk: could not allocate writer kthread (%d)\n", + pblk_err(pblk, "could not allocate writer kthread (%d)\n", err); return err; } @@ -1155,7 +1157,7 @@ static void pblk_tear_down(struct pblk *pblk, bool graceful) pblk_rb_sync_l2p(&pblk->rwb); pblk_rl_free(&pblk->rl); - pr_debug("pblk: consistent tear down (graceful:%d)\n", graceful); + pblk_debug(pblk, "consistent tear down (graceful:%d)\n", graceful); } static void pblk_exit(void *private, bool graceful) @@ -1167,7 +1169,7 @@ static void pblk_exit(void *private, bool graceful) pblk_tear_down(pblk, graceful); #ifdef CONFIG_NVM_PBLK_DEBUG - pr_info("pblk exit: L2P CRC: %x\n", pblk_l2p_crc(pblk)); + pblk_info(pblk, "exit: L2P CRC: %x\n", pblk_l2p_crc(pblk)); #endif pblk_free(pblk); @@ -1190,29 +1192,30 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, struct pblk *pblk; int ret; - /* pblk supports 1.2 and 2.0 versions */ + pblk = kzalloc(sizeof(struct pblk), GFP_KERNEL); + if (!pblk) + return ERR_PTR(-ENOMEM); + + pblk->dev = dev; + pblk->disk = tdisk; + pblk->state = PBLK_STATE_RUNNING; + pblk->gc.gc_enabled = 0; + if (!(geo->version == NVM_OCSSD_SPEC_12 || geo->version == NVM_OCSSD_SPEC_20)) { - pr_err("pblk: OCSSD version not supported (%u)\n", + pblk_err(pblk, "OCSSD version not supported (%u)\n", geo->version); + kfree(pblk); return ERR_PTR(-EINVAL); } if (geo->version == NVM_OCSSD_SPEC_12 && geo->dom & NVM_RSP_L2P) { - pr_err("pblk: host-side L2P table not supported. (%x)\n", + pblk_err(pblk, "host-side L2P table not supported. (%x)\n", geo->dom); + kfree(pblk); return ERR_PTR(-EINVAL); } - pblk = kzalloc(sizeof(struct pblk), GFP_KERNEL); - if (!pblk) - return ERR_PTR(-ENOMEM); - - pblk->dev = dev; - pblk->disk = tdisk; - pblk->state = PBLK_STATE_RUNNING; - pblk->gc.gc_enabled = 0; - spin_lock_init(&pblk->resubmit_lock); spin_lock_init(&pblk->trans_lock); spin_lock_init(&pblk->lock); @@ -1242,38 +1245,38 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, ret = pblk_core_init(pblk); if (ret) { - pr_err("pblk: could not initialize core\n"); + pblk_err(pblk, "could not initialize core\n"); goto fail; } ret = pblk_lines_init(pblk); if (ret) { - pr_err("pblk: could not initialize lines\n"); + pblk_err(pblk, "could not initialize lines\n"); goto fail_free_core; } ret = pblk_rwb_init(pblk); if (ret) { - pr_err("pblk: could not initialize write buffer\n"); + pblk_err(pblk, "could not initialize write buffer\n"); goto fail_free_lines; } ret = pblk_l2p_init(pblk, flags & NVM_TARGET_FACTORY); if (ret) { - pr_err("pblk: could not initialize maps\n"); + pblk_err(pblk, "could not initialize maps\n"); goto fail_free_rwb; } ret = pblk_writer_init(pblk); if (ret) { if (ret != -EINTR) - pr_err("pblk: could not initialize write thread\n"); + pblk_err(pblk, "could not initialize write thread\n"); goto fail_free_l2p; } ret = pblk_gc_init(pblk); if (ret) { - pr_err("pblk: could not initialize gc\n"); + pblk_err(pblk, "could not initialize gc\n"); goto fail_stop_writer; } @@ -1288,8 +1291,7 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, blk_queue_max_discard_sectors(tqueue, UINT_MAX >> 9); blk_queue_flag_set(QUEUE_FLAG_DISCARD, tqueue); - pr_info("pblk(%s): luns:%u, lines:%d, secs:%llu, buf entries:%u\n", - tdisk->disk_name, + pblk_info(pblk, "luns:%u, lines:%d, secs:%llu, buf entries:%u\n", geo->all_luns, pblk->l_mg.nr_lines, (unsigned long long)pblk->rl.nr_secs, pblk->rwb.nr_entries); diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c index 529def80966b..f6eec0212dfc 100644 --- a/drivers/lightnvm/pblk-rb.c +++ b/drivers/lightnvm/pblk-rb.c @@ -547,7 +547,7 @@ try: page = virt_to_page(entry->data); if (!page) { - pr_err("pblk: could not allocate write bio page\n"); + pblk_err(pblk, "could not allocate write bio page\n"); flags &= ~PBLK_WRITTEN_DATA; flags |= PBLK_SUBMITTED_ENTRY; /* Release flags on context. Protect from writes */ @@ -557,7 +557,7 @@ try: if (bio_add_pc_page(q, bio, page, rb->seg_size, 0) != rb->seg_size) { - pr_err("pblk: could not add page to write bio\n"); + pblk_err(pblk, "could not add page to write bio\n"); flags &= ~PBLK_WRITTEN_DATA; flags |= PBLK_SUBMITTED_ENTRY; /* Release flags on context. Protect from writes */ @@ -576,14 +576,14 @@ try: if (pad) { if (pblk_bio_add_pages(pblk, bio, GFP_KERNEL, pad)) { - pr_err("pblk: could not pad page in write bio\n"); + pblk_err(pblk, "could not pad page in write bio\n"); return NVM_IO_ERR; } if (pad < pblk->min_write_pgs) atomic64_inc(&pblk->pad_dist[pad - 1]); else - pr_warn("pblk: padding more than min. sectors\n"); + pblk_warn(pblk, "padding more than min. sectors\n"); atomic64_add(pad, &pblk->pad_wa); } diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index bcfc6ea86e9d..9c9362b20861 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -121,9 +121,9 @@ static void pblk_read_check_seq(struct pblk *pblk, struct nvm_rq *rqd, struct ppa_addr *p; p = (nr_lbas == 1) ? &rqd->ppa_list[i] : &rqd->ppa_addr; - print_ppa(&pblk->dev->geo, p, "seq", i); + print_ppa(pblk, p, "seq", i); #endif - pr_err("pblk: corrupted read LBA (%llu/%llu)\n", + pblk_err(pblk, "corrupted read LBA (%llu/%llu)\n", lba, (u64)blba + i); WARN_ON(1); } @@ -154,9 +154,9 @@ static void pblk_read_check_rand(struct pblk *pblk, struct nvm_rq *rqd, int nr_ppas = rqd->nr_ppas; p = (nr_ppas == 1) ? &rqd->ppa_list[j] : &rqd->ppa_addr; - print_ppa(&pblk->dev->geo, p, "seq", j); + print_ppa(pblk, p, "seq", j); #endif - pr_err("pblk: corrupted read LBA (%llu/%llu)\n", + pblk_err(pblk, "corrupted read LBA (%llu/%llu)\n", lba, meta_lba); WARN_ON(1); } @@ -256,7 +256,7 @@ static int pblk_partial_read(struct pblk *pblk, struct nvm_rq *rqd, goto fail_add_pages; if (nr_holes != new_bio->bi_vcnt) { - pr_err("pblk: malformed bio\n"); + pblk_err(pblk, "malformed bio\n"); goto fail; } @@ -279,7 +279,7 @@ static int pblk_partial_read(struct pblk *pblk, struct nvm_rq *rqd, ret = pblk_submit_io_sync(pblk, rqd); if (ret) { bio_put(rqd->bio); - pr_err("pblk: sync read IO submission failed\n"); + pblk_err(pblk, "sync read IO submission failed\n"); goto fail; } @@ -346,7 +346,7 @@ fail: /* Free allocated pages in new bio */ pblk_bio_free_pages(pblk, new_bio, 0, new_bio->bi_vcnt); fail_add_pages: - pr_err("pblk: failed to perform partial read\n"); + pblk_err(pblk, "failed to perform partial read\n"); __pblk_end_io_read(pblk, rqd, false); return NVM_IO_ERR; } @@ -436,7 +436,7 @@ int pblk_submit_read(struct pblk *pblk, struct bio *bio) rqd->meta_list = nvm_dev_dma_alloc(dev->parent, GFP_KERNEL, &rqd->dma_meta_list); if (!rqd->meta_list) { - pr_err("pblk: not able to allocate ppa list\n"); + pblk_err(pblk, "not able to allocate ppa list\n"); goto fail_rqd_free; } @@ -462,14 +462,14 @@ int pblk_submit_read(struct pblk *pblk, struct bio *bio) /* Clone read bio to deal with read errors internally */ int_bio = bio_clone_fast(bio, GFP_KERNEL, &pblk_bio_set); if (!int_bio) { - pr_err("pblk: could not clone read bio\n"); + pblk_err(pblk, "could not clone read bio\n"); goto fail_end_io; } rqd->bio = int_bio; if (pblk_submit_io(pblk, rqd)) { - pr_err("pblk: read IO submission failed\n"); + pblk_err(pblk, "read IO submission failed\n"); ret = NVM_IO_ERR; goto fail_end_io; } @@ -595,7 +595,8 @@ int pblk_submit_read_gc(struct pblk *pblk, struct pblk_gc_rq *gc_rq) bio = pblk_bio_map_addr(pblk, gc_rq->data, gc_rq->secs_to_gc, data_len, PBLK_VMALLOC_META, GFP_KERNEL); if (IS_ERR(bio)) { - pr_err("pblk: could not allocate GC bio (%lu)\n", PTR_ERR(bio)); + pblk_err(pblk, "could not allocate GC bio (%lu)\n", + PTR_ERR(bio)); goto err_free_dma; } @@ -609,7 +610,7 @@ int pblk_submit_read_gc(struct pblk *pblk, struct pblk_gc_rq *gc_rq) if (pblk_submit_io_sync(pblk, &rqd)) { ret = -EIO; - pr_err("pblk: GC read request failed\n"); + pblk_err(pblk, "GC read request failed\n"); goto err_free_bio; } diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c index d83466b3821b..e232e47e1353 100644 --- a/drivers/lightnvm/pblk-recovery.c +++ b/drivers/lightnvm/pblk-recovery.c @@ -77,7 +77,7 @@ static int pblk_recov_l2p_from_emeta(struct pblk *pblk, struct pblk_line *line) } if (nr_valid_lbas != nr_lbas) - pr_err("pblk: line %d - inconsistent lba list(%llu/%llu)\n", + pblk_err(pblk, "line %d - inconsistent lba list(%llu/%llu)\n", line->id, nr_valid_lbas, nr_lbas); line->left_msecs = 0; @@ -184,7 +184,7 @@ next_read_rq: /* If read fails, more padding is needed */ ret = pblk_submit_io_sync(pblk, rqd); if (ret) { - pr_err("pblk: I/O submission failed: %d\n", ret); + pblk_err(pblk, "I/O submission failed: %d\n", ret); return ret; } @@ -194,7 +194,7 @@ next_read_rq: * we cannot recover from here. Need FTL log. */ if (rqd->error && rqd->error != NVM_RSP_WARN_HIGHECC) { - pr_err("pblk: L2P recovery failed (%d)\n", rqd->error); + pblk_err(pblk, "L2P recovery failed (%d)\n", rqd->error); return -EINTR; } @@ -273,7 +273,7 @@ static int pblk_recov_pad_oob(struct pblk *pblk, struct pblk_line *line, next_pad_rq: rq_ppas = pblk_calc_secs(pblk, left_ppas, 0); if (rq_ppas < pblk->min_write_pgs) { - pr_err("pblk: corrupted pad line %d\n", line->id); + pblk_err(pblk, "corrupted pad line %d\n", line->id); goto fail_free_pad; } @@ -342,7 +342,7 @@ next_pad_rq: ret = pblk_submit_io(pblk, rqd); if (ret) { - pr_err("pblk: I/O submission failed: %d\n", ret); + pblk_err(pblk, "I/O submission failed: %d\n", ret); pblk_up_page(pblk, rqd->ppa_list, rqd->nr_ppas); goto fail_free_bio; } @@ -356,12 +356,12 @@ next_pad_rq: if (!wait_for_completion_io_timeout(&pad_rq->wait, msecs_to_jiffies(PBLK_COMMAND_TIMEOUT_MS))) { - pr_err("pblk: pad write timed out\n"); + pblk_err(pblk, "pad write timed out\n"); ret = -ETIME; } if (!pblk_line_is_full(line)) - pr_err("pblk: corrupted padded line: %d\n", line->id); + pblk_err(pblk, "corrupted padded line: %d\n", line->id); vfree(data); free_rq: @@ -461,7 +461,7 @@ next_rq: ret = pblk_submit_io_sync(pblk, rqd); if (ret) { - pr_err("pblk: I/O submission failed: %d\n", ret); + pblk_err(pblk, "I/O submission failed: %d\n", ret); return ret; } @@ -501,11 +501,11 @@ next_rq: ret = pblk_recov_pad_oob(pblk, line, pad_secs); if (ret) - pr_err("pblk: OOB padding failed (err:%d)\n", ret); + pblk_err(pblk, "OOB padding failed (err:%d)\n", ret); ret = pblk_recov_read_oob(pblk, line, p, r_ptr); if (ret) - pr_err("pblk: OOB read failed (err:%d)\n", ret); + pblk_err(pblk, "OOB read failed (err:%d)\n", ret); left_ppas = 0; } @@ -592,7 +592,7 @@ next_rq: ret = pblk_submit_io_sync(pblk, rqd); if (ret) { - pr_err("pblk: I/O submission failed: %d\n", ret); + pblk_err(pblk, "I/O submission failed: %d\n", ret); bio_put(bio); return ret; } @@ -671,14 +671,14 @@ static int pblk_recov_l2p_from_oob(struct pblk *pblk, struct pblk_line *line) ret = pblk_recov_scan_oob(pblk, line, p, &done); if (ret) { - pr_err("pblk: could not recover L2P from OOB\n"); + pblk_err(pblk, "could not recover L2P from OOB\n"); goto out; } if (!done) { ret = pblk_recov_scan_all_oob(pblk, line, p); if (ret) { - pr_err("pblk: could not recover L2P from OOB\n"); + pblk_err(pblk, "could not recover L2P from OOB\n"); goto out; } } @@ -737,14 +737,14 @@ static int pblk_recov_check_line_version(struct pblk *pblk, struct line_header *header = &emeta->header; if (header->version_major != EMETA_VERSION_MAJOR) { - pr_err("pblk: line major version mismatch: %d, expected: %d\n", - header->version_major, EMETA_VERSION_MAJOR); + pblk_err(pblk, "line major version mismatch: %d, expected: %d\n", + header->version_major, EMETA_VERSION_MAJOR); return 1; } #ifdef CONFIG_NVM_PBLK_DEBUG if (header->version_minor > EMETA_VERSION_MINOR) - pr_info("pblk: newer line minor version found: %d\n", + pblk_info(pblk, "newer line minor version found: %d\n", header->version_minor); #endif @@ -852,7 +852,7 @@ struct pblk_line *pblk_recov_l2p(struct pblk *pblk) continue; if (smeta_buf->header.version_major != SMETA_VERSION_MAJOR) { - pr_err("pblk: found incompatible line version %u\n", + pblk_err(pblk, "found incompatible line version %u\n", smeta_buf->header.version_major); return ERR_PTR(-EINVAL); } @@ -864,7 +864,7 @@ struct pblk_line *pblk_recov_l2p(struct pblk *pblk) } if (memcmp(pblk->instance_uuid, smeta_buf->header.uuid, 16)) { - pr_debug("pblk: ignore line %u due to uuid mismatch\n", + pblk_debug(pblk, "ignore line %u due to uuid mismatch\n", i); continue; } @@ -888,7 +888,7 @@ struct pblk_line *pblk_recov_l2p(struct pblk *pblk) pblk_recov_line_add_ordered(&recov_list, line); found_lines++; - pr_debug("pblk: recovering data line %d, seq:%llu\n", + pblk_debug(pblk, "recovering data line %d, seq:%llu\n", line->id, smeta_buf->seq_nr); } @@ -948,7 +948,7 @@ next: line->emeta = NULL; } else { if (open_lines > 1) - pr_err("pblk: failed to recover L2P\n"); + pblk_err(pblk, "failed to recover L2P\n"); open_lines++; line->meta_line = meta_line; @@ -977,7 +977,7 @@ next: out: if (found_lines != recovered_lines) - pr_err("pblk: failed to recover all found lines %d/%d\n", + pblk_err(pblk, "failed to recover all found lines %d/%d\n", found_lines, recovered_lines); return data_line; @@ -1000,7 +1000,7 @@ int pblk_recov_pad(struct pblk *pblk) ret = pblk_recov_pad_oob(pblk, line, left_msecs); if (ret) { - pr_err("pblk: Tear down padding failed (%d)\n", ret); + pblk_err(pblk, "tear down padding failed (%d)\n", ret); return ret; } diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c index b0e5e93a9d5f..9fc3dfa168b4 100644 --- a/drivers/lightnvm/pblk-sysfs.c +++ b/drivers/lightnvm/pblk-sysfs.c @@ -268,7 +268,7 @@ static ssize_t pblk_sysfs_lines(struct pblk *pblk, char *page) spin_unlock(&l_mg->free_lock); if (nr_free_lines != free_line_cnt) - pr_err("pblk: corrupted free line list:%d/%d\n", + pblk_err(pblk, "corrupted free line list:%d/%d\n", nr_free_lines, free_line_cnt); sz = snprintf(page, PAGE_SIZE - sz, @@ -697,8 +697,7 @@ int pblk_sysfs_init(struct gendisk *tdisk) kobject_get(&parent_dev->kobj), "%s", "pblk"); if (ret) { - pr_err("pblk: could not register %s/pblk\n", - tdisk->disk_name); + pblk_err(pblk, "could not register\n"); return ret; } diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c index 5f44df999aed..ee774a86cf1e 100644 --- a/drivers/lightnvm/pblk-write.c +++ b/drivers/lightnvm/pblk-write.c @@ -238,7 +238,7 @@ static void pblk_end_w_fail(struct pblk *pblk, struct nvm_rq *rqd) recovery = mempool_alloc(&pblk->rec_pool, GFP_ATOMIC); if (!recovery) { - pr_err("pblk: could not allocate recovery work\n"); + pblk_err(pblk, "could not allocate recovery work\n"); return; } @@ -279,7 +279,7 @@ static void pblk_end_io_write_meta(struct nvm_rq *rqd) if (rqd->error) { pblk_log_write_err(pblk, rqd); - pr_err("pblk: metadata I/O failed. Line %d\n", line->id); + pblk_err(pblk, "metadata I/O failed. Line %d\n", line->id); line->w_err_gc->has_write_err = 1; } @@ -360,7 +360,7 @@ static int pblk_calc_secs_to_sync(struct pblk *pblk, unsigned int secs_avail, if ((!secs_to_sync && secs_to_flush) || (secs_to_sync < 0) || (secs_to_sync > secs_avail && !secs_to_flush)) { - pr_err("pblk: bad sector calculation (a:%d,s:%d,f:%d)\n", + pblk_err(pblk, "bad sector calculation (a:%d,s:%d,f:%d)\n", secs_avail, secs_to_sync, secs_to_flush); } #endif @@ -397,7 +397,7 @@ int pblk_submit_meta_io(struct pblk *pblk, struct pblk_line *meta_line) bio = pblk_bio_map_addr(pblk, data, rq_ppas, rq_len, l_mg->emeta_alloc_type, GFP_KERNEL); if (IS_ERR(bio)) { - pr_err("pblk: failed to map emeta io"); + pblk_err(pblk, "failed to map emeta io"); ret = PTR_ERR(bio); goto fail_free_rqd; } @@ -428,7 +428,7 @@ int pblk_submit_meta_io(struct pblk *pblk, struct pblk_line *meta_line) ret = pblk_submit_io(pblk, rqd); if (ret) { - pr_err("pblk: emeta I/O submission failed: %d\n", ret); + pblk_err(pblk, "emeta I/O submission failed: %d\n", ret); goto fail_rollback; } @@ -518,7 +518,7 @@ static int pblk_submit_io_set(struct pblk *pblk, struct nvm_rq *rqd) /* Assign lbas to ppas and populate request structure */ err = pblk_setup_w_rq(pblk, rqd, &erase_ppa); if (err) { - pr_err("pblk: could not setup write request: %d\n", err); + pblk_err(pblk, "could not setup write request: %d\n", err); return NVM_IO_ERR; } @@ -527,7 +527,7 @@ static int pblk_submit_io_set(struct pblk *pblk, struct nvm_rq *rqd) /* Submit data write for current data line */ err = pblk_submit_io(pblk, rqd); if (err) { - pr_err("pblk: data I/O submission failed: %d\n", err); + pblk_err(pblk, "data I/O submission failed: %d\n", err); return NVM_IO_ERR; } @@ -549,7 +549,8 @@ static int pblk_submit_io_set(struct pblk *pblk, struct nvm_rq *rqd) /* Submit metadata write for previous data line */ err = pblk_submit_meta_io(pblk, meta_line); if (err) { - pr_err("pblk: metadata I/O submission failed: %d", err); + pblk_err(pblk, "metadata I/O submission failed: %d", + err); return NVM_IO_ERR; } } @@ -614,7 +615,7 @@ static int pblk_submit_write(struct pblk *pblk) secs_to_sync = pblk_calc_secs_to_sync(pblk, secs_avail, secs_to_flush); if (secs_to_sync > pblk->max_write_pgs) { - pr_err("pblk: bad buffer sync calculation\n"); + pblk_err(pblk, "bad buffer sync calculation\n"); return 1; } @@ -633,7 +634,7 @@ static int pblk_submit_write(struct pblk *pblk) if (pblk_rb_read_to_bio(&pblk->rwb, rqd, pos, secs_to_sync, secs_avail)) { - pr_err("pblk: corrupted write bio\n"); + pblk_err(pblk, "corrupted write bio\n"); goto fail_put_bio; } diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index c072955d72c2..5c6904eb8557 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -703,6 +703,15 @@ struct pblk_line_ws { #define pblk_g_rq_size (sizeof(struct nvm_rq) + sizeof(struct pblk_g_ctx)) #define pblk_w_rq_size (sizeof(struct nvm_rq) + sizeof(struct pblk_c_ctx)) +#define pblk_err(pblk, fmt, ...) \ + pr_err("pblk %s: " fmt, pblk->disk->disk_name, ##__VA_ARGS__) +#define pblk_info(pblk, fmt, ...) \ + pr_info("pblk %s: " fmt, pblk->disk->disk_name, ##__VA_ARGS__) +#define pblk_warn(pblk, fmt, ...) \ + pr_warn("pblk %s: " fmt, pblk->disk->disk_name, ##__VA_ARGS__) +#define pblk_debug(pblk, fmt, ...) \ + pr_debug("pblk %s: " fmt, pblk->disk->disk_name, ##__VA_ARGS__) + /* * pblk ring buffer operations */ @@ -1280,19 +1289,21 @@ static inline int pblk_io_aligned(struct pblk *pblk, int nr_secs) } #ifdef CONFIG_NVM_PBLK_DEBUG -static inline void print_ppa(struct nvm_geo *geo, struct ppa_addr *p, +static inline void print_ppa(struct pblk *pblk, struct ppa_addr *p, char *msg, int error) { + struct nvm_geo *geo = &pblk->dev->geo; + if (p->c.is_cached) { - pr_err("ppa: (%s: %x) cache line: %llu\n", + pblk_err(pblk, "ppa: (%s: %x) cache line: %llu\n", msg, error, (u64)p->c.line); } else if (geo->version == NVM_OCSSD_SPEC_12) { - pr_err("ppa: (%s: %x):ch:%d,lun:%d,blk:%d,pg:%d,pl:%d,sec:%d\n", + pblk_err(pblk, "ppa: (%s: %x):ch:%d,lun:%d,blk:%d,pg:%d,pl:%d,sec:%d\n", msg, error, p->g.ch, p->g.lun, p->g.blk, p->g.pg, p->g.pl, p->g.sec); } else { - pr_err("ppa: (%s: %x):ch:%d,lun:%d,chk:%d,sec:%d\n", + pblk_err(pblk, "ppa: (%s: %x):ch:%d,lun:%d,chk:%d,sec:%d\n", msg, error, p->m.grp, p->m.pu, p->m.chk, p->m.sec); } @@ -1304,16 +1315,16 @@ static inline void pblk_print_failed_rqd(struct pblk *pblk, struct nvm_rq *rqd, int bit = -1; if (rqd->nr_ppas == 1) { - print_ppa(&pblk->dev->geo, &rqd->ppa_addr, "rqd", error); + print_ppa(pblk, &rqd->ppa_addr, "rqd", error); return; } while ((bit = find_next_bit((void *)&rqd->ppa_status, rqd->nr_ppas, bit + 1)) < rqd->nr_ppas) { - print_ppa(&pblk->dev->geo, &rqd->ppa_list[bit], "rqd", error); + print_ppa(pblk, &rqd->ppa_list[bit], "rqd", error); } - pr_err("error:%d, ppa_status:%llx\n", error, rqd->ppa_status); + pblk_err(pblk, "error:%d, ppa_status:%llx\n", error, rqd->ppa_status); } static inline int pblk_boundary_ppa_checks(struct nvm_tgt_dev *tgt_dev, @@ -1344,7 +1355,7 @@ static inline int pblk_boundary_ppa_checks(struct nvm_tgt_dev *tgt_dev, continue; } - print_ppa(geo, ppa, "boundary", i); + print_ppa(tgt_dev->q->queuedata, ppa, "boundary", i); return 1; } @@ -1374,7 +1385,7 @@ static inline int pblk_check_io(struct pblk *pblk, struct nvm_rq *rqd) spin_lock(&line->lock); if (line->state != PBLK_LINESTATE_OPEN) { - pr_err("pblk: bad ppa: line:%d,state:%d\n", + pblk_err(pblk, "bad ppa: line:%d,state:%d\n", line->id, line->state); WARN_ON(1); spin_unlock(&line->lock); |