diff options
| author | Christoph Egger <Christoph.Egger@amd.com> | 2011-05-23 14:31:17 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-06-08 11:56:39 +0200 |
| commit | d1f6fd8d1400ab356aee776b1ecc3ed1e89dbeaa (patch) | |
| tree | 26e533f38b42ffc0174565b691faa7fd72e358ca /block | |
| parent | 1de1ae0a7d956b3c87712bf2c09d277f99873f4c (diff) | |
block/raw-posix: get right partition size
use the correct way to get the size of a disk device or partition
From: Adam Hamsik <haad@netbsd.org>
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/raw-posix.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index 00ed580a1f..fd57b5bb5d 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -64,6 +64,13 @@ #include <sys/dkio.h> #endif +#ifdef __NetBSD__ +#include <sys/ioctl.h> +#include <sys/disklabel.h> +#include <sys/dkio.h> +#include <sys/disk.h> +#endif + #ifdef __DragonFly__ #include <sys/ioctl.h> #include <sys/diskslice.h> @@ -665,6 +672,31 @@ static int64_t raw_getlength(BlockDriverState *bs) } else return st.st_size; } +#elif defined(__NetBSD__) +static int64_t raw_getlength(BlockDriverState *bs) +{ + BDRVRawState *s = bs->opaque; + int fd = s->fd; + struct stat st; + + if (fstat(fd, &st)) + return -1; + if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) { + struct dkwedge_info dkw; + + if (ioctl(fd, DIOCGWEDGEINFO, &dkw) != -1) { + return dkw.dkw_size * 512; + } else { + struct disklabel dl; + + if (ioctl(fd, DIOCGDINFO, &dl)) + return -1; + return (uint64_t)dl.d_secsize * + dl.d_partitions[DISKPART(st.st_rdev)].p_size; + } + } else + return st.st_size; +} #elif defined(__sun__) static int64_t raw_getlength(BlockDriverState *bs) { |