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Two UBI fastmap-related fixes for v3.16:

Browse source 
1. Fix UBI fastmap support which we broke in 3.16-rc1 by reversing the
    volumes RB-tree sorting criteria.
 2. Make sure that we scrub all PEBs where we see bit-flips - we were missing
    some of them when the fastmap feature was enabled.
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Merge tag 'upstream-3.16-rc6' of git://git.infradead.org/linux-ubifs

Pull UBI fixes from Artem Bityutskiy:
 "Two UBI fastmap-related fixes for v3.16:

   - fix UBI fastmap support which we broke in 3.16-rc1 by reversing the
     volumes RB-tree sorting criteria.
   - make sure that we scrub all PEBs where we see bit-flips - we were
     missing some of them when the fastmap feature was enabled"

* tag 'upstream-3.16-rc6' of git://git.infradead.org/linux-ubifs:
  UBI: fastmap: do not miss bit-flips
  UBI: fix the volumes tree sorting criteria
This commit is contained in:
Linus Torvalds 2014-07-18 06:23:34 -10:00
commit 033ead8230
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/mtd/ubi/fastmap.c
View file

@ -125,7 +125,7 @@ static struct ubi_ainf_volume *add_vol(struct ubi_attach_info *ai, int vol_id,
parent = *p;
av = rb_entry(parent, struct ubi_ainf_volume, rb);
if (vol_id < av->vol_id)
if (vol_id > av->vol_id)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
@ -423,7 +423,7 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
pnum, err);
ret = err > 0 ? UBI_BAD_FASTMAP : err;
goto out;
} else if (ret == UBI_IO_BITFLIPS)
} else if (err == UBI_IO_BITFLIPS)
scrub = 1;
/*