diff options
-rw-r--r-- | drivers/lightnvm/pblk-core.c | 13 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-gc.c | 32 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-init.c | 32 | ||||
-rw-r--r-- | drivers/lightnvm/pblk-write.c | 4 | ||||
-rw-r--r-- | drivers/lightnvm/pblk.h | 11 |
5 files changed, 47 insertions, 45 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index f5fbb9a46784..b92532211866 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -33,7 +33,8 @@ static void pblk_mark_bb(struct pblk *pblk, struct pblk_line *line, pr_err("pblk: attempted to erase bb: line:%d, pos:%d\n", line->id, pos); - pblk_line_run_ws(pblk, NULL, ppa, pblk_line_mark_bb, pblk->bb_wq); + pblk_gen_run_ws(pblk, NULL, ppa, pblk_line_mark_bb, + GFP_ATOMIC, pblk->bb_wq); } static void __pblk_end_io_erase(struct pblk *pblk, struct nvm_rq *rqd) @@ -1623,7 +1624,7 @@ void pblk_line_close_ws(struct work_struct *work) struct pblk_line *line = line_ws->line; pblk_line_close(pblk, line); - mempool_free(line_ws, pblk->line_ws_pool); + mempool_free(line_ws, pblk->gen_ws_pool); } void pblk_line_mark_bb(struct work_struct *work) @@ -1648,16 +1649,16 @@ void pblk_line_mark_bb(struct work_struct *work) } kfree(ppa); - mempool_free(line_ws, pblk->line_ws_pool); + mempool_free(line_ws, pblk->gen_ws_pool); } -void pblk_line_run_ws(struct pblk *pblk, struct pblk_line *line, void *priv, - void (*work)(struct work_struct *), +void pblk_gen_run_ws(struct pblk *pblk, struct pblk_line *line, void *priv, + void (*work)(struct work_struct *), gfp_t gfp_mask, struct workqueue_struct *wq) { struct pblk_line_ws *line_ws; - line_ws = mempool_alloc(pblk->line_ws_pool, GFP_ATOMIC); + line_ws = mempool_alloc(pblk->gen_ws_pool, gfp_mask); if (!line_ws) return; diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c index 6090d28f7995..f163829ecca8 100644 --- a/drivers/lightnvm/pblk-gc.c +++ b/drivers/lightnvm/pblk-gc.c @@ -136,12 +136,12 @@ static void pblk_put_line_back(struct pblk *pblk, struct pblk_line *line) static void pblk_gc_line_ws(struct work_struct *work) { - struct pblk_line_ws *line_rq_ws = container_of(work, + struct pblk_line_ws *gc_rq_ws = container_of(work, struct pblk_line_ws, ws); - struct pblk *pblk = line_rq_ws->pblk; + struct pblk *pblk = gc_rq_ws->pblk; struct pblk_gc *gc = &pblk->gc; - struct pblk_line *line = line_rq_ws->line; - struct pblk_gc_rq *gc_rq = line_rq_ws->priv; + struct pblk_line *line = gc_rq_ws->line; + struct pblk_gc_rq *gc_rq = gc_rq_ws->priv; up(&gc->gc_sem); @@ -151,7 +151,7 @@ static void pblk_gc_line_ws(struct work_struct *work) gc_rq->nr_secs); } - mempool_free(line_rq_ws, pblk->line_ws_pool); + kfree(gc_rq_ws); } static void pblk_gc_line_prepare_ws(struct work_struct *work) @@ -164,7 +164,7 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work) struct pblk_line_meta *lm = &pblk->lm; struct pblk_gc *gc = &pblk->gc; struct line_emeta *emeta_buf; - struct pblk_line_ws *line_rq_ws; + struct pblk_line_ws *gc_rq_ws; struct pblk_gc_rq *gc_rq; __le64 *lba_list; int sec_left, nr_secs, bit; @@ -223,19 +223,19 @@ next_rq: gc_rq->nr_secs = nr_secs; gc_rq->line = line; - line_rq_ws = mempool_alloc(pblk->line_ws_pool, GFP_KERNEL); - if (!line_rq_ws) + gc_rq_ws = kmalloc(sizeof(struct pblk_line_ws), GFP_KERNEL); + if (!gc_rq_ws) goto fail_free_gc_rq; - line_rq_ws->pblk = pblk; - line_rq_ws->line = line; - line_rq_ws->priv = gc_rq; + gc_rq_ws->pblk = pblk; + gc_rq_ws->line = line; + gc_rq_ws->priv = gc_rq; down(&gc->gc_sem); kref_get(&line->ref); - INIT_WORK(&line_rq_ws->ws, pblk_gc_line_ws); - queue_work(gc->gc_line_reader_wq, &line_rq_ws->ws); + INIT_WORK(&gc_rq_ws->ws, pblk_gc_line_ws); + queue_work(gc->gc_line_reader_wq, &gc_rq_ws->ws); sec_left -= nr_secs; if (sec_left > 0) @@ -243,7 +243,7 @@ next_rq: out: pblk_mfree(emeta_buf, l_mg->emeta_alloc_type); - mempool_free(line_ws, pblk->line_ws_pool); + kfree(line_ws); kref_put(&line->ref, pblk_line_put); atomic_dec(&gc->inflight_gc); @@ -256,7 +256,7 @@ fail_free_emeta: pblk_mfree(emeta_buf, l_mg->emeta_alloc_type); pblk_put_line_back(pblk, line); kref_put(&line->ref, pblk_line_put); - mempool_free(line_ws, pblk->line_ws_pool); + kfree(line_ws); atomic_dec(&gc->inflight_gc); pr_err("pblk: Failed to GC line %d\n", line->id); @@ -269,7 +269,7 @@ static int pblk_gc_line(struct pblk *pblk, struct pblk_line *line) pr_debug("pblk: line '%d' being reclaimed for GC\n", line->id); - line_ws = mempool_alloc(pblk->line_ws_pool, GFP_KERNEL); + line_ws = kmalloc(sizeof(struct pblk_line_ws), GFP_KERNEL); if (!line_ws) return -ENOMEM; diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index 7b1f29c71338..340552253580 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -20,7 +20,7 @@ #include "pblk.h" -static struct kmem_cache *pblk_blk_ws_cache, *pblk_rec_cache, *pblk_g_rq_cache, +static struct kmem_cache *pblk_ws_cache, *pblk_rec_cache, *pblk_g_rq_cache, *pblk_w_rq_cache, *pblk_line_meta_cache; static DECLARE_RWSEM(pblk_lock); struct bio_set *pblk_bio_set; @@ -184,9 +184,9 @@ static int pblk_init_global_caches(struct pblk *pblk) char cache_name[PBLK_CACHE_NAME_LEN]; down_write(&pblk_lock); - pblk_blk_ws_cache = kmem_cache_create("pblk_blk_ws", + pblk_ws_cache = kmem_cache_create("pblk_blk_ws", sizeof(struct pblk_line_ws), 0, 0, NULL); - if (!pblk_blk_ws_cache) { + if (!pblk_ws_cache) { up_write(&pblk_lock); return -ENOMEM; } @@ -194,7 +194,7 @@ static int pblk_init_global_caches(struct pblk *pblk) pblk_rec_cache = kmem_cache_create("pblk_rec", sizeof(struct pblk_rec_ctx), 0, 0, NULL); if (!pblk_rec_cache) { - kmem_cache_destroy(pblk_blk_ws_cache); + kmem_cache_destroy(pblk_ws_cache); up_write(&pblk_lock); return -ENOMEM; } @@ -202,7 +202,7 @@ static int pblk_init_global_caches(struct pblk *pblk) pblk_g_rq_cache = kmem_cache_create("pblk_g_rq", pblk_g_rq_size, 0, 0, NULL); if (!pblk_g_rq_cache) { - kmem_cache_destroy(pblk_blk_ws_cache); + kmem_cache_destroy(pblk_ws_cache); kmem_cache_destroy(pblk_rec_cache); up_write(&pblk_lock); return -ENOMEM; @@ -211,7 +211,7 @@ static int pblk_init_global_caches(struct pblk *pblk) pblk_w_rq_cache = kmem_cache_create("pblk_w_rq", pblk_w_rq_size, 0, 0, NULL); if (!pblk_w_rq_cache) { - kmem_cache_destroy(pblk_blk_ws_cache); + kmem_cache_destroy(pblk_ws_cache); kmem_cache_destroy(pblk_rec_cache); kmem_cache_destroy(pblk_g_rq_cache); up_write(&pblk_lock); @@ -223,7 +223,7 @@ static int pblk_init_global_caches(struct pblk *pblk) pblk_line_meta_cache = kmem_cache_create(cache_name, pblk->lm.sec_bitmap_len, 0, 0, NULL); if (!pblk_line_meta_cache) { - kmem_cache_destroy(pblk_blk_ws_cache); + kmem_cache_destroy(pblk_ws_cache); kmem_cache_destroy(pblk_rec_cache); kmem_cache_destroy(pblk_g_rq_cache); kmem_cache_destroy(pblk_w_rq_cache); @@ -246,20 +246,20 @@ static int pblk_core_init(struct pblk *pblk) if (pblk_init_global_caches(pblk)) return -ENOMEM; - /* internal bios can be at most the sectors signaled by the device. */ + /* Internal bios can be at most the sectors signaled by the device. */ pblk->page_bio_pool = mempool_create_page_pool(nvm_max_phys_sects(dev), 0); if (!pblk->page_bio_pool) return -ENOMEM; - pblk->line_ws_pool = mempool_create_slab_pool(PBLK_WS_POOL_SIZE, - pblk_blk_ws_cache); - if (!pblk->line_ws_pool) + pblk->gen_ws_pool = mempool_create_slab_pool(PBLK_GEN_WS_POOL_SIZE, + pblk_ws_cache); + if (!pblk->gen_ws_pool) goto free_page_bio_pool; pblk->rec_pool = mempool_create_slab_pool(geo->nr_luns, pblk_rec_cache); if (!pblk->rec_pool) - goto free_blk_ws_pool; + goto free_gen_ws_pool; pblk->g_rq_pool = mempool_create_slab_pool(PBLK_READ_REQ_POOL_SIZE, pblk_g_rq_cache); @@ -308,8 +308,8 @@ free_g_rq_pool: mempool_destroy(pblk->g_rq_pool); free_rec_pool: mempool_destroy(pblk->rec_pool); -free_blk_ws_pool: - mempool_destroy(pblk->line_ws_pool); +free_gen_ws_pool: + mempool_destroy(pblk->gen_ws_pool); free_page_bio_pool: mempool_destroy(pblk->page_bio_pool); return -ENOMEM; @@ -324,13 +324,13 @@ static void pblk_core_free(struct pblk *pblk) destroy_workqueue(pblk->bb_wq); mempool_destroy(pblk->page_bio_pool); - mempool_destroy(pblk->line_ws_pool); + mempool_destroy(pblk->gen_ws_pool); mempool_destroy(pblk->rec_pool); mempool_destroy(pblk->g_rq_pool); mempool_destroy(pblk->w_rq_pool); mempool_destroy(pblk->line_meta_pool); - kmem_cache_destroy(pblk_blk_ws_cache); + kmem_cache_destroy(pblk_ws_cache); kmem_cache_destroy(pblk_rec_cache); kmem_cache_destroy(pblk_g_rq_cache); kmem_cache_destroy(pblk_w_rq_cache); diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c index d82ca8bd8390..c73b17bca06b 100644 --- a/drivers/lightnvm/pblk-write.c +++ b/drivers/lightnvm/pblk-write.c @@ -198,8 +198,8 @@ static void pblk_end_io_write_meta(struct nvm_rq *rqd) sync = atomic_add_return(rqd->nr_ppas, &emeta->sync); if (sync == emeta->nr_entries) - pblk_line_run_ws(pblk, line, NULL, pblk_line_close_ws, - pblk->close_wq); + pblk_gen_run_ws(pblk, line, NULL, pblk_line_close_ws, + GFP_ATOMIC, pblk->close_wq); bio_put(rqd->bio); nvm_dev_dma_free(dev->parent, rqd->meta_list, rqd->dma_meta_list); diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index 229f6020ad8a..efaa781abb06 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -40,7 +40,6 @@ #define PBLK_MAX_REQ_ADDRS (64) #define PBLK_MAX_REQ_ADDRS_PW (6) -#define PBLK_WS_POOL_SIZE (128) #define PBLK_META_POOL_SIZE (128) #define PBLK_READ_REQ_POOL_SIZE (1024) @@ -61,6 +60,8 @@ #define ERASE 2 /* READ = 0, WRITE = 1 */ +#define PBLK_GEN_WS_POOL_SIZE (2) + enum { /* IO Types */ PBLK_IOTYPE_USER = 1 << 0, @@ -621,7 +622,7 @@ struct pblk { struct list_head compl_list; mempool_t *page_bio_pool; - mempool_t *line_ws_pool; + mempool_t *gen_ws_pool; mempool_t *rec_pool; mempool_t *g_rq_pool; mempool_t *w_rq_pool; @@ -725,9 +726,9 @@ void pblk_line_close_meta_sync(struct pblk *pblk); void pblk_line_close_ws(struct work_struct *work); void pblk_pipeline_stop(struct pblk *pblk); void pblk_line_mark_bb(struct work_struct *work); -void pblk_line_run_ws(struct pblk *pblk, struct pblk_line *line, void *priv, - void (*work)(struct work_struct *), - struct workqueue_struct *wq); +void pblk_gen_run_ws(struct pblk *pblk, struct pblk_line *line, void *priv, + void (*work)(struct work_struct *), gfp_t gfp_mask, + struct workqueue_struct *wq); u64 pblk_line_smeta_start(struct pblk *pblk, struct pblk_line *line); int pblk_line_read_smeta(struct pblk *pblk, struct pblk_line *line); int pblk_line_read_emeta(struct pblk *pblk, struct pblk_line *line, |