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Use ioctl() to get correct media size so that we can locate

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ZFS labels in the tail of the media.

Approved by: re (kensmith), pjd
This commit is contained in:
simokawa 2007-08-07 12:42:03 +00:00
parent be48e4d2b1
commit 194ebb69c9
2 changed files with 18 additions and 2 deletions
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10
cddl/contrib/opensolaris/cmd/zdb/zdb.c
View File

@ -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++) {

10
contrib/opensolaris/cmd/zdb/zdb.c
View File

@ -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++) {