[PATCH 12/21] UBI: Fastmap: Handle unused "used" PEBs better
Richard Weinberger
richard at nod.at
Wed Jun 13 06:42:09 EDT 2012
If fastmap detects that some PEBs in the used list are no longer
used it has to erase them.
Signed-off-by: Richard Weinberger <richard at nod.at>
---
drivers/mtd/ubi/fastmap.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 20b016e..1c2e906 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -712,6 +712,13 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
if (max_sqnum > ai->max_sqnum)
ai->max_sqnum = max_sqnum;
+ list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &used, u.list) {
+ list_del(&tmp_aeb->u.list);
+ dbg_bld("adding PEB from used to erase list: %i", tmp_aeb->pnum);
+ add_aeb(ai, &ai->erase, tmp_aeb->pnum, tmp_aeb->ec, 0);
+ kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
+ }
+
return 0;
fail_bad:
--
1.7.6.5
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