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