/*
* Get file system statistics.
*/
int
mfs_statvfs(struct mount *mp, struct statvfs *sbp)
{
int error;
error = ffs_statvfs(mp, sbp);
if (error)
return error;
(void)strncpy(sbp->f_fstypename, mp->mnt_op->vfs_name,
sizeof(sbp->f_fstypename));
sbp->f_fstypename[sizeof(sbp->f_fstypename) - 1] = '\0';
return 0;
}
int
mfs_mountroot(void)
{
struct fs *fs;
struct mount *mp;
struct lwp *l = curlwp; /* XXX */
struct ufsmount *ump;
struct mfsnode *mfsp;
int error = 0;
if ((error = vfs_rootmountalloc(MOUNT_MFS, "mfs_root", &mp))) {
vrele(rootvp);
return (error);
}
mfsp = kmem_alloc(sizeof(*mfsp), KM_SLEEP);
rootvp->v_data = mfsp;
rootvp->v_op = mfs_vnodeop_p;
rootvp->v_tag = VT_MFS;
mfsp->mfs_baseoff = mfs_rootbase;
mfsp->mfs_size = mfs_rootsize;
mfsp->mfs_vnode = rootvp;
mfsp->mfs_proc = NULL; /* indicate kernel space */
mfsp->mfs_shutdown = 0;
cv_init(&mfsp->mfs_cv, "mfs");
mfsp->mfs_refcnt = 1;
bufq_alloc(&mfsp->mfs_buflist, "fcfs", 0);
if ((error = ffs_mountfs(rootvp, mp, l)) != 0) {
vfs_unbusy(mp, false, NULL);
bufq_free(mfsp->mfs_buflist);
vfs_destroy(mp);
kmem_free(mfsp, sizeof(*mfsp));
return (error);
}
mutex_enter(&mountlist_lock);
CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list);
mutex_exit(&mountlist_lock);
mp->mnt_vnodecovered = NULLVP;
ump = VFSTOUFS(mp);
fs = ump->um_fs;
(void) copystr(mp->mnt_stat.f_mntonname, fs->fs_fsmnt, MNAMELEN - 1, 0);
(void)ffs_statvfs(mp, &mp->mnt_stat);
vfs_unbusy(mp, false, NULL);
return (0);
}
