diff options
Diffstat (limited to 'drivers/mtd/ubi')
-rw-r--r-- | drivers/mtd/ubi/fastmap.c | 17 | ||||
-rw-r--r-- | drivers/mtd/ubi/wl.c | 21 |
2 files changed, 28 insertions, 10 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index 990898b9dc72..bba7dd1b5ebf 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -513,10 +513,11 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, unsigned long long ec = be64_to_cpu(ech->ec); unmap_peb(ai, pnum); dbg_bld("Adding PEB to free: %i", pnum); + if (err == UBI_IO_FF_BITFLIPS) - add_aeb(ai, free, pnum, ec, 1); - else - add_aeb(ai, free, pnum, ec, 0); + scrub = 1; + + add_aeb(ai, free, pnum, ec, scrub); continue; } else if (err == 0 || err == UBI_IO_BITFLIPS) { dbg_bld("Found non empty PEB:%i in pool", pnum); @@ -748,11 +749,11 @@ static int ubi_attach_fastmap(struct ubi_device *ubi, fmvhdr->vol_type, be32_to_cpu(fmvhdr->last_eb_bytes)); - if (!av) - goto fail_bad; - if (PTR_ERR(av) == -EINVAL) { - ubi_err(ubi, "volume (ID %i) already exists", - fmvhdr->vol_id); + if (IS_ERR(av)) { + if (PTR_ERR(av) == -EEXIST) + ubi_err(ubi, "volume (ID %i) already exists", + fmvhdr->vol_id); + goto fail_bad; } diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 56065632a5b8..75286588b823 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -643,7 +643,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, int shutdown) { int err, scrubbing = 0, torture = 0, protect = 0, erroneous = 0; - int vol_id = -1, lnum = -1; + int erase = 0, keep = 0, vol_id = -1, lnum = -1; #ifdef CONFIG_MTD_UBI_FASTMAP int anchor = wrk->anchor; #endif @@ -777,6 +777,16 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, e1->pnum); scrubbing = 1; goto out_not_moved; + } else if (ubi->fast_attach && err == UBI_IO_BAD_HDR_EBADMSG) { + /* + * While a full scan would detect interrupted erasures + * at attach time we can face them here when attached from + * Fastmap. + */ + dbg_wl("PEB %d has ECC errors, maybe from an interrupted erasure", + e1->pnum); + erase = 1; + goto out_not_moved; } ubi_err(ubi, "error %d while reading VID header from PEB %d", @@ -810,6 +820,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, * Target PEB had bit-flips or write error - torture it. */ torture = 1; + keep = 1; goto out_not_moved; } @@ -895,7 +906,7 @@ out_not_moved: ubi->erroneous_peb_count += 1; } else if (scrubbing) wl_tree_add(e1, &ubi->scrub); - else + else if (keep) wl_tree_add(e1, &ubi->used); ubi_assert(!ubi->move_to_put); ubi->move_from = ubi->move_to = NULL; @@ -907,6 +918,12 @@ out_not_moved: if (err) goto out_ro; + if (erase) { + err = do_sync_erase(ubi, e1, vol_id, lnum, 1); + if (err) + goto out_ro; + } + mutex_unlock(&ubi->move_mutex); return 0; |