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| author | Hidetoshi Shimokawa <simokawa@FreeBSD.org> | 2007-08-07 12:42:03 +0000 |
|---|---|---|
| committer | Hidetoshi Shimokawa <simokawa@FreeBSD.org> | 2007-08-07 12:42:03 +0000 |
| commit | cdea4c5e891f29ce3926f8b25a70e799ad70c289 (patch) | |
| tree | c890d68579becb6857c3b064a51408128052c05a /contrib | |
| parent | 07b6a9bed88c1fbc5ba03c7e3410f97f6e0b4647 (diff) | |
| download | src-cdea4c5e891f29ce3926f8b25a70e799ad70c289.tar.gz src-cdea4c5e891f29ce3926f8b25a70e799ad70c289.zip | |
Use ioctl() to get correct media size so that we can locate
ZFS labels in the tail of the media.
Approved by: re (kensmith), pjd
Notes
Notes:
svn path=/head/; revision=171776
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/opensolaris/cmd/zdb/zdb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/contrib/opensolaris/cmd/zdb/zdb.c b/contrib/opensolaris/cmd/zdb/zdb.c index 03abc3a60e4f..2dc459dfabf0 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++) { |