From: "Dolev Raviv" <draviv@codeaurora.org>
To: "'Tanya Brokhman'" <tlinder@codeaurora.org>, <dedekind1@gmail.com>
Cc: linux-mtd@lists.infradead.org,
'open list' <linux-kernel@vger.kernel.org>
Subject: RE: [RFC/PATCH] mtd: ubi: Fix ubi free PEBs count calculation
Date: Mon, 7 Apr 2014 08:21:44 +0300 [thread overview]
Message-ID: <001501cf5221$4651ad30$d2f50790$@codeaurora.org> (raw)
In-Reply-To: <1396339327-16090-1-git-send-email-tlinder@codeaurora.org>
Reviewed-by: Dolev Raviv <draviv@codeaurora.org>
Thanks,
Dolev
--
QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
-----Original Message-----
From: linux-mtd [mailto:linux-mtd-bounces@lists.infradead.org] On Behalf Of
Tanya Brokhman
Sent: Tuesday, April 01, 2014 11:02 AM
To: dedekind1@gmail.com
Cc: linux-mtd@lists.infradead.org; open list; Tanya Brokhman
Subject: [RFC/PATCH] mtd: ubi: Fix ubi free PEBs count calculation
The ubi->free_count should be updated with every insert/remove to/from the
ubi->free list.
Signed-off-by: Tanya Brokhman <tlinder@codeaurora.org>
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index
9a36f78..ca74d19 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -690,6 +690,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct
ubi_device *ubi)
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
+ ubi->free_count--;
+ ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
@@ -1090,6 +1092,7 @@ static int wear_leveling_worker(struct ubi_device
*ubi, struct ubi_work *wrk,
/* Give the unused PEB back */
wl_tree_add(e2, &ubi->free);
+ ubi->free_count++;
goto out_cancel;
}
self_check_in_wl_tree(ubi, e1, &ubi->used);
--
1.7.6
--
QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundat
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next prev parent reply other threads:[~2014-04-07 5:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-01 8:02 [RFC/PATCH] mtd: ubi: Fix ubi free PEBs count calculation Tanya Brokhman
2014-04-07 5:21 ` Dolev Raviv [this message]
2014-04-07 13:18 ` Richard Weinberger
2014-04-08 13:44 ` Artem Bityutskiy
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