VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Matias Bjørling <mb@lightnvm.io> 2018-10-09 13:11:40 +0200 committer: Jens Axboe <axboe@kernel.dk> 2018-10-09 08:25:06 -0600 commit: ae14cc044b5988148d819c377fd0cc1c7504bc3c parent: d20be90ae0bb938ee0dfc8277d531191341d8e39
Commit Summary:
lightnvm: pblk: refactor put line fn on read completion
Diffstat:
3 files changed, 18 insertions, 14 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index e0b513d07e14..5f99cf396072 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -1426,6 +1426,25 @@ retry_setup:
 	return line;
 }
 
+void pblk_ppa_to_line_put(struct pblk *pblk, struct ppa_addr ppa)
+{
+	struct pblk_line *line;
+
+	line = &pblk->lines[pblk_ppa_to_line(ppa)];
+	kref_put(&line->ref, pblk_line_put_wq);
+}
+
+void pblk_rq_to_line_put(struct pblk *pblk, struct nvm_rq *rqd)
+{
+	struct ppa_addr *ppa_list;
+	int i;
+
+	ppa_list = (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr;
+
+	for (i = 0; i < rqd->nr_ppas; i++)
+		pblk_ppa_to_line_put(pblk, ppa_list[i]);
+}
+
 static void pblk_stop_writes(struct pblk *pblk, struct pblk_line *line)
 {
 	lockdep_assert_held(&pblk->l_mg.free_lock);
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index ba3dcb6be4c3..ad1d7713bbda 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -165,22 +165,6 @@ static void pblk_read_check_rand(struct pblk *pblk, struct nvm_rq *rqd,
 	WARN_ONCE(j != rqd->nr_ppas, "pblk: corrupted random request\n");
 }
 
-static void pblk_read_put_rqd_kref(struct pblk *pblk, struct nvm_rq *rqd)
-{
-	struct ppa_addr *ppa_list;
-	int i;
-
-	ppa_list = (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr;
-
-	for (i = 0; i < rqd->nr_ppas; i++) {
-		struct ppa_addr ppa = ppa_list[i];
-		struct pblk_line *line;
-
-		line = &pblk->lines[pblk_ppa_to_line(ppa)];
-		kref_put(&line->ref, pblk_line_put_wq);
-	}
-}
-
 static void pblk_end_user_read(struct bio *bio)
 {
 #ifdef CONFIG_NVM_PBLK_DEBUG
@@ -208,7 +192,7 @@ static void __pblk_end_io_read(struct pblk *pblk, struct nvm_rq *rqd,
 		bio_put(int_bio);
 
 	if (put_line)
-		pblk_read_put_rqd_kref(pblk, rqd);
+		pblk_rq_to_line_put(pblk, rqd);
 
 #ifdef CONFIG_NVM_PBLK_DEBUG
 	atomic_long_add(rqd->nr_ppas, &pblk->sync_reads);
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index 64ae0c7ed3bb..be67bbfa3d0a 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -787,6 +787,8 @@ struct bio *pblk_bio_map_addr(struct pblk *pblk, void *data,
 struct pblk_line *pblk_line_get(struct pblk *pblk);
 struct pblk_line *pblk_line_get_first_data(struct pblk *pblk);
 struct pblk_line *pblk_line_replace_data(struct pblk *pblk);
+void pblk_ppa_to_line_put(struct pblk *pblk, struct ppa_addr ppa);
+void pblk_rq_to_line_put(struct pblk *pblk, struct nvm_rq *rqd);
 int pblk_line_recov_alloc(struct pblk *pblk, struct pblk_line *line);
 void pblk_line_recov_close(struct pblk *pblk, struct pblk_line *line);
 struct pblk_line *pblk_line_get_data(struct pblk *pblk);