linux-kernel - [PATCH 4/9] lightnvm: pblk: start gc if needed during init

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Message-Id: <1507025113-13351-5-git-send-email-hans.ml.holmberg@owltronix.com>
Date:   Tue,  3 Oct 2017 12:05:08 +0200
From:   Hans Holmberg <hans.ml.holmberg@...tronix.com>
To:     Matias Bjorling <mb@...htnvm.io>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Javier Gonzales <jg@...htnvm.io>,
        Hans Holmberg <hans.ml.holmberg@...tronix.com>,
        Hans Holmberg <hans.holmberg@...xlabs.com>
Subject: [PATCH 4/9] lightnvm: pblk: start gc if needed during init

From: Hans Holmberg <hans.holmberg@...xlabs.com>

Start GC, if needed, directly after init, as we might
need to garbage collect to make room for user writes.

Signed-off-by: Hans Holmberg <hans.holmberg@...xlabs.com>
---
 drivers/lightnvm/pblk-init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 1cc3de4..fb41182 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -1022,6 +1022,10 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk,
 			pblk->rwb.nr_entries);
 
 	wake_up_process(pblk->writer_ts);
+
+	/* Check if we need to start GC */
+	pblk_gc_should_kick(pblk);
+
 	return pblk;
 
 fail_stop_writer:
-- 
2.7.4