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Remove the kern.rootdev sysctl.

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Root filessytems (like NFS) don't have an associated disk device,
and even if they had, the exact semantics would be filesystem
dependent and should be implemented there.
This commit is contained in:
phk 2004-12-06 12:40:45 +00:00
parent bcbc430a4b
commit 62d457bcc4
1 changed files with 0 additions and 24 deletions
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24
sys/kern/vfs_mount.c
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@ -162,30 +162,6 @@ const char *ctrootdevname = ROOTDEVNAME;
const char *ctrootdevname = NULL;
#endif
/*
* Has to be dynamic as the value of rootdev can change; however, it can't
* change after the root is mounted, so a user process can't access this
* sysctl until after the value is unchangeable.
*/
static int
sysctl_rootdev(SYSCTL_HANDLER_ARGS)
{
int error;
/* _RD prevents this from happening. */
KASSERT(req->newptr == NULL, ("Attempt to change root device name"));
if (rootdev != NULL)
error = sysctl_handle_string(oidp, rootdev->si_name, 0, req);
else
error = sysctl_handle_string(oidp, "", 0, req);
return (error);
}
SYSCTL_PROC(_kern, OID_AUTO, rootdev, CTLTYPE_STRING | CTLFLAG_RD,
0, 0, sysctl_rootdev, "A", "Root file system device");
/* Remove one mount option. */
static void
vfs_freeopt(struct vfsoptlist *opts, struct vfsopt *opt)