forked from Minki/linux
UBI: fix ubi free PEBs count calculation
The ubi->free_count should be updated with every insert/remove to/from the ubi->free list. Signed-off-by: Tanya Brokhman <tlinder@codeaurora.org> Reviewed-by: Dolev Raviv <draviv@codeaurora.org> Acked-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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@ -671,6 +671,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
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e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
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e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
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self_check_in_wl_tree(ubi, e, &ubi->free);
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self_check_in_wl_tree(ubi, e, &ubi->free);
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ubi->free_count--;
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ubi_assert(ubi->free_count >= 0);
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rb_erase(&e->u.rb, &ubi->free);
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rb_erase(&e->u.rb, &ubi->free);
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return e;
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return e;
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@ -1071,6 +1073,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
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/* Give the unused PEB back */
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/* Give the unused PEB back */
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wl_tree_add(e2, &ubi->free);
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wl_tree_add(e2, &ubi->free);
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ubi->free_count++;
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goto out_cancel;
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goto out_cancel;
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}
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}
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self_check_in_wl_tree(ubi, e1, &ubi->used);
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self_check_in_wl_tree(ubi, e1, &ubi->used);
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