UBIFS: fix mounting problems after power cuts

[linux-2.6-microblaze.git] / fs / ubifs / find.c

diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 28ec13a..2dcf3d4 100644 (file)
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -681,8 +681,16 @@ int ubifs_find_free_leb_for_idx(struct ubifs_info *c)
        if (!lprops) {
                lprops = ubifs_fast_find_freeable(c);
                if (!lprops) {
-                       ubifs_assert(c->freeable_cnt == 0);
-                       if (c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) {
+                       /*
+                        * The first condition means the following: go scan the
+                        * LPT if there are uncategorized lprops, which means
+                        * there may be freeable LEBs there (UBIFS does not
+                        * store the information about freeable LEBs in the
+                        * master node).
+                        */
+                       if (c->in_a_category_cnt != c->main_lebs ||
+                           c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) {
+                               ubifs_assert(c->freeable_cnt == 0);
                                lprops = scan_for_leb_for_idx(c);
                                if (IS_ERR(lprops)) {
                                        err = PTR_ERR(lprops);