linux-kernel - [PATCH 04/35] UBI: Fastmap: Care about the protection queue

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Date:	Wed, 29 Oct 2014 13:45:27 +0100
From:	Richard Weinberger <richard@....at>
To:	dedekind1@...il.com
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	tlinder@...eaurora.org, Richard Weinberger <richard@....at>
Subject: [PATCH 04/35] UBI: Fastmap: Care about the protection queue

Fastmap can miss a PEB if it is in the protection queue
and not jet in the used tree.
Treat every protected PEB as used.

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/mtd/ubi/fastmap.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index adccc1f..8cce6f8 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -1273,6 +1273,20 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
 		fm_pos += sizeof(*fec);
 		ubi_assert(fm_pos <= ubi->fm_size);
 	}
+
+	for (i = 0; i < UBI_PROT_QUEUE_LEN; i++) {
+		list_for_each_entry(wl_e, &ubi->pq[i], u.list) {
+			fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
+
+			fec->pnum = cpu_to_be32(wl_e->pnum);
+			set_seen(ubi, wl_e->pnum, seen_pebs);
+			fec->ec = cpu_to_be32(wl_e->ec);
+
+			used_peb_count++;
+			fm_pos += sizeof(*fec);
+			ubi_assert(fm_pos <= ubi->fm_size);
+		}
+	}
 	fmh->used_peb_count = cpu_to_be32(used_peb_count);
 
 	for (node = rb_first(&ubi->scrub); node; node = rb_next(node)) {
-- 
1.8.4.5

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