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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-07-18 12:20:23 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-07-24 13:34:46 +0300
commit8c1e6ee10bd87d70faada065a8d1f70732c17382 (patch)
treebd5e9325aed3e6e659a385f57bba1d88397cfdbf
parentf40ac9cdf6991287f19bdafe9b0752ee40137908 (diff)
downloadop-kernel-dev-8c1e6ee10bd87d70faada065a8d1f70732c17382.zip
op-kernel-dev-8c1e6ee10bd87d70faada065a8d1f70732c17382.tar.gz
UBI: rework scrubbing messages
If bit-flips happen often, UBI prints to many messages. Lessen the amount by only printing the messages when the PEB has been scrubbed. Also, print torturing messages. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
-rw-r--r--drivers/mtd/ubi/io.c8
-rw-r--r--drivers/mtd/ubi/wl.c6
2 files changed, 12 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 27b9c2c..2bebb39 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -156,8 +156,12 @@ retry:
/*
* -EUCLEAN is reported if there was a bit-flip which
* was corrected, so this is harmless.
+ *
+ * We do not report about it here unless debugging is
+ * enabled. A corresponding message will be printed
+ * later, when it is has been scrubbed.
*/
- ubi_msg("fixable bit-flip detected at PEB %d", pnum);
+ dbg_msg("fixable bit-flip detected at PEB %d", pnum);
ubi_assert(len == read);
return UBI_IO_BITFLIPS;
}
@@ -391,6 +395,7 @@ static int torture_peb(struct ubi_device *ubi, int pnum)
{
int err, i, patt_count;
+ ubi_msg("run torture test for PEB %d", pnum);
patt_count = ARRAY_SIZE(patterns);
ubi_assert(patt_count > 0);
@@ -434,6 +439,7 @@ static int torture_peb(struct ubi_device *ubi, int pnum)
}
err = patt_count;
+ ubi_msg("PEB %d passed torture test, do not mark it a bad", pnum);
out:
mutex_unlock(&ubi->buf_mutex);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 761952b..6821952 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -873,6 +873,10 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
}
ubi_free_vid_hdr(ubi, vid_hdr);
+ if (scrubbing && !protect)
+ ubi_msg("scrubbed PEB %d, data moved to PEB %d",
+ e1->pnum, e2->pnum);
+
spin_lock(&ubi->wl_lock);
if (protect)
prot_tree_add(ubi, e1, pe, protect);
@@ -1231,7 +1235,7 @@ int ubi_wl_scrub_peb(struct ubi_device *ubi, int pnum)
{
struct ubi_wl_entry *e;
- ubi_msg("schedule PEB %d for scrubbing", pnum);
+ dbg_msg("schedule PEB %d for scrubbing", pnum);
retry:
spin_lock(&ubi->wl_lock);
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