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| author | simokawa <simokawa@FreeBSD.org> | 2007-08-07 12:42:03 +0000 |
|---|---|---|
| committer | simokawa <simokawa@FreeBSD.org> | 2007-08-07 12:42:03 +0000 |
| commit | 194ebb69c9cede7bc316c640f88815f8591d4386 (patch) | |
| tree | c890d68579becb6857c3b064a51408128052c05a /contrib/opensolaris/cmd | |
| parent | be48e4d2b1abeab9580ad1481ce81a4cff762b93 (diff) | |
| download | FreeBSD-src-194ebb69c9cede7bc316c640f88815f8591d4386.zip FreeBSD-src-194ebb69c9cede7bc316c640f88815f8591d4386.tar.gz | |
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
Diffstat (limited to 'contrib/opensolaris/cmd')
| -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 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++) { |
