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diff -up util-linux-2.23.2/misc-utils/wipefs.8.kzak util-linux-2.23.2/misc-utils/wipefs.8
--- util-linux-2.23.2/misc-utils/wipefs.8.kzak 2013-07-30 10:39:26.232738496 +0200
+++ util-linux-2.23.2/misc-utils/wipefs.8 2014-01-23 11:07:54.390022299 +0100
@@ -23,6 +23,9 @@ does not erase the filesystem itself nor
When used without options \fB-a\fR or \fB-o\fR, it lists all visible filesystems
and the offsets of their basic signatures.
+.B wipefs
+calls BLKRRPART ioctl when erase partition table to inform kernel about the change.
+
Note that some filesystems or some partition tables store more magic strings on
the devices. The
.B wipefs
diff -up util-linux-2.23.2/misc-utils/wipefs.c.kzak util-linux-2.23.2/misc-utils/wipefs.c
--- util-linux-2.23.2/misc-utils/wipefs.c.kzak 2013-07-30 10:39:26.232738496 +0200
+++ util-linux-2.23.2/misc-utils/wipefs.c 2014-01-23 11:12:26.786860550 +0100
@@ -40,21 +40,24 @@
#include "c.h"
#include "closestream.h"
#include "optutils.h"
+#include "blkdev.h"
struct wipe_desc {
loff_t offset; /* magic string offset */
size_t len; /* length of magic string */
unsigned char *magic; /* magic string */
- int zap; /* zap this offset? */
char *usage; /* raid, filesystem, ... */
char *type; /* FS type */
char *label; /* FS label */
char *uuid; /* FS uuid */
- int on_disk;
-
struct wipe_desc *next;
+
+ unsigned int zap : 1,
+ on_disk : 1,
+ is_parttable : 1;
+
};
enum {
@@ -72,7 +75,7 @@ print_pretty(struct wipe_desc *wp, int l
printf("----------------------------------------------------------------\n");
}
- printf("0x%-17jx %s [%s]", wp->offset, wp->type, wp->usage);
+ printf("0x%-17jx %s [%s]", wp->offset, wp->type, _(wp->usage));
if (wp->label && *wp->label)
printf("\n%27s %s", "LABEL:", wp->label);
@@ -141,7 +144,7 @@ add_offset(struct wipe_desc *wp0, loff_t
wp = xcalloc(1, sizeof(struct wipe_desc));
wp->offset = offset;
wp->next = wp0;
- wp->zap = zap;
+ wp->zap = zap ? 1 : 0;
return wp;
}
@@ -164,7 +167,7 @@ get_desc_for_probe(struct wipe_desc *wp,
const char *off, *type, *mag, *p, *usage = NULL;
size_t len;
loff_t offset;
- int rc;
+ int rc, ispt = 0;
/* superblocks */
if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) == 0) {
@@ -181,7 +184,8 @@ get_desc_for_probe(struct wipe_desc *wp,
rc = blkid_probe_lookup_value(pr, "PTMAGIC", &mag, &len);
if (rc)
return wp;
- usage = "partition table";
+ usage = N_("partition table");
+ ispt = 1;
} else
return wp;
@@ -199,6 +203,7 @@ get_desc_for_probe(struct wipe_desc *wp,
wp->type = xstrdup(type);
wp->on_disk = 1;
+ wp->is_parttable = ispt ? 1 : 0;
wp->magic = xmalloc(len);
memcpy(wp->magic, mag, len);
@@ -309,10 +314,25 @@ static void do_wipe_real(blkid_probe pr,
putchar('\n');
}
+
+static void rereadpt(int fd, const char *devname)
+{
+#ifdef BLKRRPART
+ struct stat st;
+
+ if (fstat(fd, &st) || !S_ISBLK(st.st_mode))
+ return;
+
+ errno = 0;
+ ioctl(fd, BLKRRPART);
+ printf(_("%s: calling ioclt to re-read partition table: %m\n"), devname);
+#endif
+}
+
static struct wipe_desc *
do_wipe(struct wipe_desc *wp, const char *devname, int noact, int all, int quiet, int force)
{
- int flags;
+ int flags, reread = 0;
blkid_probe pr;
struct wipe_desc *w, *wp0;
int zap = all ? 1 : wp->zap;
@@ -345,8 +365,11 @@ do_wipe(struct wipe_desc *wp, const char
if (!wp->on_disk)
continue;
- if (zap)
+ if (zap) {
do_wipe_real(pr, devname, wp, noact, quiet);
+ if (wp->is_parttable)
+ reread = 1;
+ }
}
for (w = wp0; w != NULL; w = w->next) {
@@ -355,6 +378,10 @@ do_wipe(struct wipe_desc *wp, const char
}
fsync(blkid_probe_get_fd(pr));
+
+ if (reread)
+ rereadpt(blkid_probe_get_fd(pr), devname);
+
close(blkid_probe_get_fd(pr));
blkid_free_probe(pr);
free_wipe(wp0);