libfdisk: add more debug message to resize code

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

diff --git a/libfdisk/src/partition.c b/libfdisk/src/partition.c
index aeba7c402f86b32e9094e1ffe47aa165058638a9..001fa356e6c7fd947548eee7aef3ab25c02d5f08 100644 (file)
--- a/libfdisk/src/partition.c
+++ b/libfdisk/src/partition.c
@@ -1006,7 +1006,7 @@ static int recount_resize(
        struct fdisk_table *tb = NULL;
        int rc;
 
-       DBG(PART, ul_debugobj(tpl, "resize requested"));
+       DBG(PART, ul_debugobj(tpl, ">>> resize requested"));
 
        FDISK_INIT_UNDEF(start);
        FDISK_INIT_UNDEF(size);
@@ -1033,9 +1033,14 @@ static int recount_resize(
                } else
                        start += fdisk_partition_get_start(tpl);
 
+               DBG(PART, ul_debugobj(tpl, "resize: moving start %s relative, new start: %ju",
+                               tpl->movestart == FDISK_MOVE_DOWN  ? "DOWN" : "UP", start));
+
        /* 1b) set new start - absolute number */
-       } else if (fdisk_partition_has_start(tpl))
+       } else if (fdisk_partition_has_start(tpl)) {
                start = fdisk_partition_get_start(tpl);
+               DBG(PART, ul_debugobj(tpl, "resize: moving start to absolute offset: %ju", start));
+       }
 
        /* 2) verify that start is within the current partition or any freespace area */
        if (!FDISK_IS_UNDEF(start)) {
@@ -1050,6 +1055,7 @@ static int recount_resize(
                        goto erange;
        } else {
                /* no change, start points to the current partition */
+               DBG(PART, ul_debugobj(tpl, "resize: start unchanged"));
                start = fdisk_partition_get_start(cur);
        }
 
@@ -1088,9 +1094,12 @@ static int recount_resize(
                                        (uintmax_t) size, (uintmax_t) maxsz));
                if (size > maxsz)
                        goto erange;
+       } else {
+               DBG(PART, ul_debugobj(tpl, "resize: size unchanged (undefined)"));
        }
 
-       DBG(PART, ul_debugobj(tpl, "resize: SUCCESS: start %ju->%ju; size %ju->%ju",
+
+       DBG(PART, ul_debugobj(tpl, "<<< resize: SUCCESS: start %ju->%ju; size %ju->%ju",
                        (uintmax_t) fdisk_partition_get_start(cur), (uintmax_t) start,
                        (uintmax_t) fdisk_partition_get_size(cur), (uintmax_t) size));
        res->start = start;
@@ -1098,7 +1107,7 @@ static int recount_resize(
        fdisk_unref_table(tb);
        return 0;
 erange:
-       DBG(PART, ul_debugobj(tpl, "resize: FAILED"));
+       DBG(PART, ul_debugobj(tpl, "<<< resize: FAILED"));
        fdisk_warnx(cxt, _("Failed to resize partition #%zu."), partno + 1);
        fdisk_unref_table(tb);
        return -ERANGE;