From: Richard Weinberger <richard@nod.at>
To: linux-mtd@lists.infradead.org
Cc: Richard Weinberger <richard@nod.at>,
adrian.hunter@intel.com, Heinz.Egger@linutronix.de,
shmulik.ladkani@gmail.com, tglx@linutronix.de,
tim.bird@am.sony.com
Subject: [PATCH 01/21] UBI: Fastmap: enhance find_early_wl_entry()
Date: Wed, 13 Jun 2012 12:41:58 +0200 [thread overview]
Message-ID: <1339584138-69914-2-git-send-email-richard@nod.at> (raw)
In-Reply-To: <1339584138-69914-1-git-send-email-richard@nod.at>
Select always the PEB with the lowest pnum and ec.
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/wl.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 2325d3d..8f6321a 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -418,11 +418,13 @@ static struct ubi_wl_entry *find_early_wl_entry(struct rb_root *root,
{
struct rb_node *p;
struct ubi_wl_entry *e, *victim = NULL;
+ int max_ec = UBI_MAX_ERASECOUNTER;
ubi_rb_for_each_entry(p, e, root, u.rb) {
- if (e->pnum < max_pnum) {
+ if (e->pnum < max_pnum && e->ec < max_ec) {
victim = e;
max_pnum = e->pnum;
+ max_ec = e->ec;
}
}
--
1.7.6.5
next prev parent reply other threads:[~2012-06-13 10:42 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-13 10:41 UBI Fastmap updates (v7++) Richard Weinberger
2012-06-13 10:41 ` Richard Weinberger [this message]
2012-06-13 10:41 ` [PATCH 02/21] UBI: Fastmap: Add PEB leak detection Richard Weinberger
2012-06-13 10:42 ` [PATCH 03/21] UBI: Fastmap: Remove useless code Richard Weinberger
2012-06-13 10:42 ` [PATCH 04/21] UBI: Fastmap: Check for duplicated PEBs in add_aeb() Richard Weinberger
2012-06-13 10:42 ` [PATCH 05/21] UBI: Fastmap: Rewrite scan_pool() Richard Weinberger
2012-06-13 10:42 ` [PATCH 06/21] UBI: Fastmap: Ensure that new_fm->e[0]->ec is always set Richard Weinberger
2012-06-13 10:42 ` [PATCH 07/21] UBI: Fastmap: Prevent PEB leak Richard Weinberger
2012-06-13 10:42 ` [PATCH 08/21] UBI: Fastmap: Add scrub support to add_aeb() Richard Weinberger
2012-06-13 10:42 ` [PATCH 09/21] UBI: Fastmap: Make ubi_wl_get_fm_peb() return a ubi_wl_entry Richard Weinberger
2012-06-13 10:42 ` [PATCH 10/21] UBI: Fastmap: Detect whether a PEB has to be unmapped Richard Weinberger
2012-06-13 10:42 ` [PATCH 11/21] UBI: Fastmap: Adjust comment above ubi_wl_flush() Richard Weinberger
2012-06-13 10:42 ` [PATCH 12/21] UBI: Fastmap: Handle unused "used" PEBs better Richard Weinberger
2012-06-13 10:42 ` [PATCH 13/21] UBI: Fastmap: Introduce WL pool Signed-off-by: Richard Weinberger <richard@nod.at> Richard Weinberger
2012-06-27 4:13 ` Artem Bityutskiy
2012-06-27 8:20 ` Richard Weinberger
2012-06-27 8:30 ` Artem Bityutskiy
2012-06-13 10:42 ` [PATCH 14/21] UBI: Fastmap: Erase PEBs synchronous in wear_leveling_worker() Richard Weinberger
2012-06-13 10:42 ` [PATCH 15/21] UBI: Fastmap: Fix NULL-pointer bug Richard Weinberger
2012-06-13 10:42 ` [PATCH 16/21] UBI: Fastmap: Fix loglevel Richard Weinberger
2012-06-13 10:42 ` [PATCH 17/21] UBI: Fastmap: Relax EC self check Richard Weinberger
2012-06-13 10:42 ` [PATCH 18/21] UBI: Fastmap: Store magic values in be32 Richard Weinberger
2012-06-13 10:42 ` [PATCH 19/21] UBI: Fastmap: Minor fixes Richard Weinberger
2012-06-13 10:42 ` [PATCH 20/21] UBI: Fastmap: Torture fastmap PEBs that showed bit flips Richard Weinberger
2012-06-13 10:42 ` [PATCH 21/21] UBI: Fastmap: make checkpatch.pl happy Signed-off-by: Richard Weinberger <richard@nod.at> Richard Weinberger
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