diff options
author | Marcel Moolenaar <marcel@FreeBSD.org> | 1999-11-27 16:55:14 +0000 |
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committer | Marcel Moolenaar <marcel@FreeBSD.org> | 1999-11-27 16:55:14 +0000 |
commit | 408da11907cd1ae588d07e1dea12699b4fa6c24b (patch) | |
tree | fa792511ff5052ff4c1eb3d9acb0574c724513a1 /sys/compat | |
parent | a51764b56600b93a84eeaf1f9184fc760b34eaf9 (diff) | |
download | src-test2-408da11907cd1ae588d07e1dea12699b4fa6c24b.tar.gz src-test2-408da11907cd1ae588d07e1dea12699b4fa6c24b.zip |
Notes
Diffstat (limited to 'sys/compat')
-rw-r--r-- | sys/compat/linux/linux_stats.c | 59 |
1 files changed, 56 insertions, 3 deletions
diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c index 6f42ba0b65bc..d48abc540f66 100644 --- a/sys/compat/linux/linux_stats.c +++ b/sys/compat/linux/linux_stats.c @@ -29,17 +29,18 @@ */ #include <sys/param.h> -#include <sys/systm.h> +#include <sys/conf.h> #include <sys/dirent.h> #include <sys/file.h> #include <sys/filedesc.h> +#include <sys/socketvar.h> +#include <sys/pipe.h> #include <sys/proc.h> #include <sys/mount.h> #include <sys/namei.h> -#include <sys/socketvar.h> #include <sys/stat.h> +#include <sys/systm.h> #include <sys/vnode.h> -#include <sys/pipe.h> #include <i386/linux/linux.h> #include <i386/linux/linux_proto.h> @@ -68,6 +69,14 @@ struct linux_newstat { u_long __unused5; }; +struct linux_ustat +{ + int f_tfree; + u_long f_tinode; + char f_fname[6]; + char f_fpack[6]; +}; + static int newstat_copyout(struct stat *buf, void *ubuf) { @@ -272,3 +281,47 @@ linux_fstatfs(struct proc *p, struct linux_fstatfs_args *args) return copyout((caddr_t)&linux_statfs_buf, (caddr_t)args->buf, sizeof(struct linux_statfs_buf)); } + +int +linux_ustat(p, uap) + struct proc *p; + struct linux_ustat_args *uap; +{ + struct linux_ustat lu; + dev_t dev; + struct vnode *vp; + struct statfs *stat; + int error; + +#ifdef DEBUG + printf("Linux-emul(%ld): ustat(%d, *)\n", (long)p->p_pid, uap->dev); +#endif + + /* + * lu.f_fname and lu.f_fpack are not used. They are always zeroed. + * lu.f_tinode and lu.f_tfree are set from the device's super block. + */ + bzero(&lu, sizeof(lu)); + + /* + * XXX - Don't return an error if we can't find a vnode for the + * device. Our dev_t is 32-bits whereas Linux only has a 16-bits + * dev_t. The dev_t that is used now may as well be a truncated + * dev_t returned from previous syscalls. Just return a bzeroed + * ustat in that case. + */ + dev = makebdev(uap->dev >> 8, uap->dev & 0xFF); + if (vfinddev(dev, VBLK, &vp)) { + if (vp->v_mount == NULL) + return (EINVAL); + stat = &(vp->v_mount->mnt_stat); + error = VFS_STATFS(vp->v_mount, stat, p); + if (error) + return (error); + + lu.f_tfree = stat->f_bfree; + lu.f_tinode = stat->f_ffree; + } + + return (copyout(&lu, uap->ubuf, sizeof(lu))); +} |