From: Javier González <jg@lightnvm.io>
Date: Mon, 26 Jun 2017 09:57:26 +0000 (+0200)
Subject: lightnvm: pblk: add lock assertions on helpers
X-Git-Tag: v4.13-rc1~212^2~56
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=476118c981f0fd909cd95a1732073120c6806ac0;p=linux.git

lightnvm: pblk: add lock assertions on helpers

Add lockdep assertions on helper functions.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index d815cdad56b8..ed41cd7700b3 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -295,6 +295,8 @@ struct list_head *pblk_line_gc_list(struct pblk *pblk, struct pblk_line *line)
 	struct list_head *move_list = NULL;
 	int vsc = le32_to_cpu(*line->vsc);
 
+	lockdep_assert_held(&line->lock);
+
 	if (!vsc) {
 		if (line->gc_group != PBLK_LINEGC_FULL) {
 			line->gc_group = PBLK_LINEGC_FULL;
@@ -502,6 +504,8 @@ u64 __pblk_alloc_page(struct pblk *pblk, struct pblk_line *line, int nr_secs)
 	u64 addr;
 	int i;
 
+	lockdep_assert_held(&line->lock);
+
 	/* logic error: ppa out-of-bounds. Prevent generating bad address */
 	if (line->cur_sec + nr_secs > pblk->lm.sec_per_line) {
 		WARN(1, "pblk: page allocation out of bounds\n");