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-rw-r--r--Detail.c26
-rw-r--r--mdadm.h3
-rw-r--r--super-ddf.c10
-rw-r--r--super-intel.c16
-rw-r--r--util.c24
5 files changed, 52 insertions, 27 deletions
diff --git a/Detail.c b/Detail.c
index f23ec16f..55a086d3 100644
--- a/Detail.c
+++ b/Detail.c
@@ -49,6 +49,30 @@ static int add_device(const char *dev, char ***p_devices,
return n_devices + 1;
}
+/**
+ * detail_fname_from_uuid() - generate uuid string with special super1 handling.
+ * @mp: map entry to parse.
+ * @buf: buf to write.
+ *
+ * Hack to workaround an issue with super1 superblocks. It swapuuid set in order for assembly
+ * to work, but can't have it set if we want this printout to match all the other uuid printouts
+ * in super1.c, so we force swapuuid to 1 to make our printout match the rest of super1.
+ *
+ * Always convert uuid if host is big endian.
+ */
+char *detail_fname_from_uuid(struct map_ent *mp, char *buf)
+{
+#if __BYTE_ORDER == BIG_ENDIAN
+ bool swap = true;
+#else
+ bool swap = false;
+#endif
+ if (strncmp(mp->metadata, "1.", 2) == 0)
+ swap = true;
+
+ return __fname_from_uuid(mp->uuid, swap, buf, ':');
+}
+
int Detail(char *dev, struct context *c)
{
/*
@@ -256,7 +280,7 @@ int Detail(char *dev, struct context *c)
mp = map_by_devnm(&map, fd2devnm(fd));
if (mp) {
- __fname_from_uuid(mp->uuid, 0, nbuf, ':');
+ detail_fname_from_uuid(mp, nbuf);
printf("MD_UUID=%s\n", nbuf + 5);
if (mp->path && strncmp(mp->path, DEV_MD_DIR, DEV_MD_DIR_LEN) == 0)
printf("MD_DEVNAME=%s\n", mp->path + DEV_MD_DIR_LEN);
diff --git a/mdadm.h b/mdadm.h
index 3fedca48..a363708a 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -1696,8 +1696,7 @@ extern const int uuid_zero[4];
extern int same_uuid(int a[4], int b[4], int swapuuid);
extern void copy_uuid(void *a, int b[4], int swapuuid);
extern char *__fname_from_uuid(int id[4], int swap, char *buf, char sep);
-extern char *fname_from_uuid(struct supertype *st,
- struct mdinfo *info, char *buf, char sep);
+extern char *fname_from_uuid(struct mdinfo *info, char *buf);
extern unsigned long calc_csum(void *super, int bytes);
extern int enough(int level, int raid_disks, int layout, int clean,
char *avail);
diff --git a/super-ddf.c b/super-ddf.c
index 94ac5ff3..21426c75 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -1617,7 +1617,7 @@ static void brief_examine_super_ddf(struct supertype *st, int verbose)
struct mdinfo info;
char nbuf[64];
getinfo_super_ddf(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf("ARRAY metadata=ddf UUID=%s\n", nbuf + 5);
}
@@ -1632,7 +1632,7 @@ static void brief_examine_subarrays_ddf(struct supertype *st, int verbose)
unsigned int i;
char nbuf[64];
getinfo_super_ddf(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
for (i = 0; i < be16_to_cpu(ddf->virt->max_vdes); i++) {
struct virtual_entry *ve = &ddf->virt->entries[i];
@@ -1645,7 +1645,7 @@ static void brief_examine_subarrays_ddf(struct supertype *st, int verbose)
ddf->currentconf =&vcl;
vcl.vcnum = i;
uuid_from_super_ddf(st, info.uuid);
- fname_from_uuid(st, &info, nbuf1, ':');
+ fname_from_uuid(&info, nbuf1);
_ddf_array_name(namebuf, ddf, i);
printf("ARRAY%s%s container=%s member=%d UUID=%s\n",
namebuf[0] == '\0' ? "" : " " DEV_MD_DIR, namebuf,
@@ -1658,7 +1658,7 @@ static void export_examine_super_ddf(struct supertype *st)
struct mdinfo info;
char nbuf[64];
getinfo_super_ddf(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf("MD_METADATA=ddf\n");
printf("MD_LEVEL=container\n");
printf("MD_UUID=%s\n", nbuf+5);
@@ -1798,7 +1798,7 @@ static void brief_detail_super_ddf(struct supertype *st, char *subarray)
return;
else
uuid_of_ddf_subarray(ddf, vcnum, info.uuid);
- fname_from_uuid(st, &info, nbuf,':');
+ fname_from_uuid(&info, nbuf);
printf(" UUID=%s", nbuf + 5);
}
diff --git a/super-intel.c b/super-intel.c
index e1754f29..ff2590fe 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -2217,7 +2217,7 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
else
printf("not supported\n");
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf(" UUID : %s\n", nbuf + 5);
sum = __le32_to_cpu(mpb->check_sum);
printf(" Checksum : %08x %s\n", sum,
@@ -2242,7 +2242,7 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
super->current_vol = i;
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
print_imsm_dev(super, dev, nbuf + 5, super->disks->index);
}
for (i = 0; i < mpb->num_disks; i++) {
@@ -2267,7 +2267,7 @@ static void brief_examine_super_imsm(struct supertype *st, int verbose)
char nbuf[64];
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf("ARRAY metadata=imsm UUID=%s\n", nbuf + 5);
}
@@ -2284,13 +2284,13 @@ static void brief_examine_subarrays_imsm(struct supertype *st, int verbose)
return;
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
for (i = 0; i < super->anchor->num_raid_devs; i++) {
struct imsm_dev *dev = get_imsm_dev(super, i);
super->current_vol = i;
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf1, ':');
+ fname_from_uuid(&info, nbuf1);
printf("ARRAY " DEV_MD_DIR "%.16s container=%s member=%d UUID=%s\n",
dev->volume, nbuf + 5, i, nbuf1 + 5);
}
@@ -2304,7 +2304,7 @@ static void export_examine_super_imsm(struct supertype *st)
char nbuf[64];
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf("MD_METADATA=imsm\n");
printf("MD_LEVEL=container\n");
printf("MD_UUID=%s\n", nbuf+5);
@@ -2324,7 +2324,7 @@ static void detail_super_imsm(struct supertype *st, char *homehost,
super->current_vol = strtoul(subarray, NULL, 10);
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf("\n UUID : %s\n", nbuf + 5);
super->current_vol = temp_vol;
@@ -2341,7 +2341,7 @@ static void brief_detail_super_imsm(struct supertype *st, char *subarray)
super->current_vol = strtoul(subarray, NULL, 10);
getinfo_super_imsm(st, &info, NULL);
- fname_from_uuid(st, &info, nbuf, ':');
+ fname_from_uuid(&info, nbuf);
printf(" UUID=%s", nbuf + 5);
super->current_vol = temp_vol;
diff --git a/util.c b/util.c
index 49a9c6e2..03336d6f 100644
--- a/util.c
+++ b/util.c
@@ -589,19 +589,21 @@ char *__fname_from_uuid(int id[4], int swap, char *buf, char sep)
}
-char *fname_from_uuid(struct supertype *st, struct mdinfo *info,
- char *buf, char sep)
-{
- // dirty hack to work around an issue with super1 superblocks...
- // super1 superblocks need swapuuid set in order for assembly to
- // work, but can't have it set if we want this printout to match
- // all the other uuid printouts in super1.c, so we force swapuuid
- // to 1 to make our printout match the rest of super1
+/**
+ * fname_from_uuid() - generate uuid string. Should not be used with super1.
+ * @info: info with uuid
+ * @buf: buf to fill.
+ *
+ * This routine should not be used with super1. See detail_fname_from_uuid() for details. It does
+ * not use superswitch swapuuid as it should be 0 but it has to do UUID conversion if host is big
+ * endian- left for backward compatibility.
+ */
+char *fname_from_uuid(struct mdinfo *info, char *buf)
+{
#if __BYTE_ORDER == BIG_ENDIAN
- return __fname_from_uuid(info->uuid, 1, buf, sep);
+ return __fname_from_uuid(info->uuid, true, buf, ':');
#else
- return __fname_from_uuid(info->uuid, (st->ss == &super1) ? 1 :
- st->ss->swapuuid, buf, sep);
+ return __fname_from_uuid(info->uuid, false, buf, ':');
#endif
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-30 08:55:27 +0100