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-rw-r--r--contrib/opensolaris/cmd/zdb/zdb.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/contrib/opensolaris/cmd/zdb/zdb.c b/contrib/opensolaris/cmd/zdb/zdb.c
index 03abc3a..2dc459d 100644
--- a/contrib/opensolaris/cmd/zdb/zdb.c
+++ b/contrib/opensolaris/cmd/zdb/zdb.c
@@ -1136,7 +1136,15 @@ dump_label(const char *dev)
exit(1);
}
- psize = statbuf.st_size;
+ if (S_ISCHR(statbuf.st_mode)) {
+ if (ioctl(fd, DIOCGMEDIASIZE, &psize) != 0) {
+ (void) printf("failed to get size '%s': %s\n", dev,
+ strerror(errno));
+ exit(1);
+ }
+ } else
+ psize = statbuf.st_size;
+
psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
for (l = 0; l < VDEV_LABELS; l++) {
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