linux-kernel - [PATCH 13/22] UBI: Fastmap: Fix EC values

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Message-Id: <1340036345-96726-14-git-send-email-richard@nod.at>
Date:	Mon, 18 Jun 2012 18:18:56 +0200
From:	Richard Weinberger <richard@....at>
To:	linux-mtd@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org, adrian.hunter@...el.com,
	Heinz.Egger@...utronix.de, thomas.wucher@...utronix.de,
	shmulik.ladkani@...il.com, tglx@...utronix.de,
	tim.bird@...sony.com, Marius.Mazarel@...l.ro,
	artem.bityutskiy@...ux.intel.com,
	Richard Weinberger <richard@....at>
Subject: [PATCH 13/22] UBI: Fastmap: Fix EC values

Return the correct EC values back to the WL sub-system.

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/mtd/ubi/fastmap.c |    2 ++
 drivers/mtd/ubi/wl.c      |    4 +++-
 2 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 33a14cf..b4f7fce 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -721,6 +721,7 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
 		list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list) {
 			if (aeb->pnum == tmp_aeb->pnum) {
 				aeb->scrub = tmp_aeb->scrub;
+				aeb->ec = tmp_aeb->ec;
 				list_del(&tmp_aeb->u.list);
 				kfree(tmp_aeb);
 				continue;
@@ -1345,6 +1346,7 @@ int ubi_update_fastmap(struct ubi_device *ubi)
 
 			ec = be64_to_cpu(ec_hdr->ec);
 			ec += ret;
+			old_fm->e[0]->ec = ec;
 			if (ec > UBI_MAX_ERASECOUNTER) {
 				ubi_err("erase counter overflow!");
 				kfree(ec_hdr);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 25d2e0b..eec3940 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -839,8 +839,10 @@ int ubi_wl_put_fm_peb(struct ubi_device *ubi, struct ubi_wl_entry *fm_e,
 		e = fm_e;
 		ubi_assert(e->ec);
 		ubi->lookuptbl[pnum] = e;
-	} else
+	} else {
+		e->ec = fm_e->ec;
 		kfree(fm_e);
+	}
 
 	spin_unlock(&ubi->wl_lock);
 
-- 
1.7.6.5

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