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Fix an XXX: and implement LINUX_BLKGETSIZE correctly.

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This commit is contained in:
Poul-Henning Kamp 2003-03-28 08:58:11 +00:00
parent d1636fcf4e
commit 10c665ef8f
1 changed files with 14 additions and 6 deletions
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20
sys/compat/linux/linux_ioctl.c
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@ -33,6 +33,7 @@
#include <sys/sysproto.h>
#include <sys/cdio.h>
#include <sys/dvdio.h>
#include <sys/disk.h>
#include <sys/consio.h>
#include <sys/ctype.h>
#include <sys/disklabel.h>
@ -111,20 +112,27 @@ linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
{
struct file *fp;
int error;
struct disklabel dl;
u_int sectorsize;
off_t mediasize;
if ((error = fget(td, args->fd, &fp)) != 0)
return (error);
switch (args->cmd & 0xffff) {
case LINUX_BLKGETSIZE:
/* XXX: wrong, should use DIOCGMEDIASIZE/DIOCGSECTORSIZE */
error = fo_ioctl(fp, DIOCGDINFO, (caddr_t)&dl, td->td_ucred,
td);
error = fo_ioctl(fp, DIOCGSECTORSIZE,
(caddr_t)&sectorsize, td->td_ucred, td);
if (!error)
error = fo_ioctl(fp, DIOCGMEDIASIZE,
(caddr_t)&mediasize, td->td_ucred, td);
fdrop(fp, td);
if (error)
return (error);
return (copyout(&(dl.d_secperunit), (void *)args->arg,
sizeof(dl.d_secperunit)));
sectorsize = mediasize / sectorsize;
/*
* XXX: How do we know we return the right size of integer ?
*/
return (copyout(&sectorsize, (void *)args->arg,
sizeof(sectorsize)));
}
fdrop(fp, td);
return (ENOIOCTL);