libfdisk: add more debug messages to get-last-possible resize space

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libfdisk/src/partition.c b/libfdisk/src/partition.c
index 95baea0c21b07f35021ff8983f6f372bd7eeb9b0..58d29433548de319b3c0298d83b61394c7e8ad59 100644 (file)
--- a/libfdisk/src/partition.c
+++ b/libfdisk/src/partition.c
@@ -1054,26 +1054,41 @@ static int resize_get_last_possible(
        fdisk_reset_iter(&itr, FDISK_ITER_FORWARD);
 
        *maxsz = 0;
+       DBG(TAB, ul_debugobj(tb, "checking last possible for start=%ju", start));
+
 
        while (fdisk_table_next_partition(tb, &itr, &pa) == 0) {
+
+               DBG(TAB, ul_debugobj(tb, " checking entry %p [start=%ju, end=%ju, size=%ju, %s %s %s]",
+                       pa,
+                       (uintmax_t) fdisk_partition_get_start(pa),
+                       (uintmax_t) fdisk_partition_get_end(pa),
+                       (uintmax_t) fdisk_partition_get_size(pa),
+                       fdisk_partition_is_freespace(pa) ? "freespace" : "",
+                       fdisk_partition_is_nested(pa)    ? "nested"    : "",
+                       fdisk_partition_is_container(pa) ? "container" : "primary"));
+
                if (!fdisk_partition_has_start(pa) ||
                    !fdisk_partition_has_size(pa) ||
-                   fdisk_partition_is_container(pa))
+                   fdisk_partition_is_container(pa)) {
+                       DBG(TAB, ul_debugobj(tb, "  ignored (no start/size or container)"));
                        continue;
-
-               DBG(PART, ul_debugobj(pa, "checking start=%ju, size=%ju",
-                                     (uintmax_t)pa->start, (uintmax_t)pa->size));
+               }
 
                if (!last) {
                        if (start >= pa->start &&  start < pa->start + pa->size) {
-                               if (fdisk_partition_is_freespace(pa) || pa == cur)
+                               if (fdisk_partition_is_freespace(pa) || pa == cur) {
+                                       DBG(TAB, ul_debugobj(tb, "  accepted as last"));
                                        last = pa;
-                               else
+                               } else {
+                                       DBG(TAB, ul_debugobj(tb, "  failed to set last"));
                                        break;
+                               }
 
                                *maxsz = pa->size - (start - pa->start);
                        }
                } else if (!fdisk_partition_is_freespace(pa) && pa != cur) {
+                       DBG(TAB, ul_debugobj(tb, "  no free space behind current"));
                        break;
                } else {
                        last = pa;