diff options
| author | kan <kan@FreeBSD.org> | 2002-07-23 14:30:27 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2002-07-23 14:30:27 +0000 |
| commit | 2eb7466905b2273cd96297ab464c37de31d5ba90 (patch) | |
| tree | 15dbd878349d206939b994c68bae134399ca9206 /sys/kern/subr_diskslice.c | |
| parent | af83e99c432bb650b3f7b79ae80695fb414a2def (diff) | |
| download | FreeBSD-src-2eb7466905b2273cd96297ab464c37de31d5ba90.zip FreeBSD-src-2eb7466905b2273cd96297ab464c37de31d5ba90.tar.gz | |
Fix DIOCGMEDIASIZE and DIOCGSECTORSIZE ioctls to work for all
disk devices. This fixes the problem with these ioctls returning
EINVAL for plain slice devices with no disklabel on them.
The patch incorporates improvements and style fixes from BDE.
Reviewed by: bde
Approved by: obrien (mentor)
Diffstat (limited to 'sys/kern/subr_diskslice.c')
| -rw-r--r-- | sys/kern/subr_diskslice.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/sys/kern/subr_diskslice.c b/sys/kern/subr_diskslice.c index ec6099e..06c207b 100644 --- a/sys/kern/subr_diskslice.c +++ b/sys/kern/subr_diskslice.c @@ -365,6 +365,12 @@ dsioctl(dev, cmd, data, flags, sspp) lp = sp->ds_label; switch (cmd) { + case DIOCGDINFO: + if (lp == NULL) + return (EINVAL); + *(struct disklabel *)data = *lp; + return (0); + case DIOCGDVIRGIN: lp = (struct disklabel *)data; if (ssp->dss_slices[WHOLE_DISK_SLICE].ds_label) { @@ -398,23 +404,17 @@ dsioctl(dev, cmd, data, flags, sspp) lp->d_checksum = dkcksum(lp); return (0); - case DIOCGDINFO: + case DIOCGMEDIASIZE: if (lp == NULL) - return (EINVAL); - *(struct disklabel *)data = *lp; + *(off_t *)data = (off_t)sp->ds_size * ssp->dss_secsize; + else + *(off_t *)data = + (off_t)lp->d_partitions[dkpart(dev)].p_size * + lp->d_secsize; return (0); case DIOCGSECTORSIZE: - if (lp == NULL) - return (EINVAL); - *(u_int *)data = lp->d_secsize; - return (0); - - case DIOCGMEDIASIZE: - if (lp == NULL) - return (EINVAL); - *(off_t *)data = (off_t)lp->d_partitions[dkpart(dev)].p_size * - lp->d_secsize; + *(u_int *)data = ssp->dss_secsize; return (0); case DIOCGSLICEINFO: |
