diff options
| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-12-18 13:17:24 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-12-26 19:15:16 +0200 |
| commit | d2c468550915ab2f16149e274a6f0da0b925a748 (patch) | |
| tree | dfed962522327032ec98b5b92b526b59ea9b132e | |
| parent | d19bafd99d334cdc2530a7466235756bbc87c5d5 (diff) | |
UBI: improve comment
Explain better the purpose of thie 'move_to_put' stuff.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index a405d40faa2..36aa097203f 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -793,7 +793,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, e1 = rb_entry(rb_first(&ubi->scrub), struct ubi_wl_entry, rb); e2 = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF); paranoid_check_in_wl_tree(e1, &ubi->scrub); - rb_erase(&e1->rb, &ubi->scrub); + rb_erase(&e1->rb, &ubi->scrub); dbg_wl("scrub PEB %d to PEB %d", e1->pnum, e2->pnum); } @@ -1139,8 +1139,11 @@ int ubi_wl_put_peb(struct ubi_device *ubi, int pnum, int torture) /* * User is putting the physical eraseblock which was selected * as the target the data is moved to. It may happen if the EBA - * unit already re-mapped the LEB but the WL unit did has not - * put the PEB to the "used" tree. + * unit already re-mapped the LEB in 'ubi_eba_copy_leb()' but + * the WL unit has not put the PEB to the "used" tree yet, but + * it is about to do this. So we just set a flag which will + * tell the WL worker that the PEB is not needed anymore and + * should be sheduled for erasure. */ dbg_wl("PEB %d is the target of data moving", pnum); ubi_assert(!ubi->move_to_put); |