Messages in this thread | | | Date | Fri, 09 Jan 2015 18:23:08 -0300 | From | Ezequiel Garcia <> | Subject | Re: [PATCH 1/6] UBI: Fastmap: Care about the protection queue |
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On 11/24/2014 10:20 AM, Richard Weinberger wrote: > Fastmap can miss a PEB if it is in the protection queue > and not jet in the used tree.
s/jet/yet
> Treat every protected PEB as used. >
I'm wondering if we can have a detailed description of the issues this commit fixes (if any?). In other words, what's the result of *not* having the patch?
> Signed-off-by: Richard Weinberger <richard@nod.at> > --- > drivers/mtd/ubi/fastmap.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c > index b56672b..db3defd 100644 > --- a/drivers/mtd/ubi/fastmap.c > +++ b/drivers/mtd/ubi/fastmap.c > @@ -1196,6 +1196,19 @@ static int ubi_write_fastmap(struct ubi_device *ubi, > fm_pos += sizeof(*fec); > ubi_assert(fm_pos <= ubi->fm_size); > } > + > + for (i = 0; i < UBI_PROT_QUEUE_LEN; i++) { > + list_for_each_entry(wl_e, &ubi->pq[i], u.list) { > + fec = (struct ubi_fm_ec *)(fm_raw + fm_pos); > + > + fec->pnum = cpu_to_be32(wl_e->pnum); > + fec->ec = cpu_to_be32(wl_e->ec); > + > + used_peb_count++; > + fm_pos += sizeof(*fec); > + ubi_assert(fm_pos <= ubi->fm_size); > + } > + } > fmh->used_peb_count = cpu_to_be32(used_peb_count); > > for (node = rb_first(&ubi->scrub); node; node = rb_next(node)) { >
-- Ezequiel Garcia, VanguardiaSur www.vanguardiasur.com.ar
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