int
smbfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
{
struct smbnode node;
struct mount mnt;
int error;
assert(kd);
assert(vn);
error = kvm_read_all(kd, (unsigned long)VTOSMB(vp), &node,
sizeof(node));
if (error != 0) {
warnx("can't read smbfs fnode at %p", (void *)VTOSMB(vp));
return (1);
}
error = kvm_read_all(kd, (unsigned long)getvnodemount(vp), &mnt,
sizeof(mnt));
if (error != 0) {
warnx("can't read mount at %p for vnode %p",
(void *)getvnodemount(vp), vp);
return (1);
}
vn->vn_fileid = node.n_ino;
if (vn->vn_fileid == 0)
vn->vn_fileid = 2;
vn->vn_fsid = mnt.mnt_stat.f_fsid.val[0];
return (0);
}
int
isofs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
{
struct iso_node isonode;
struct iso_mnt mnt;
if (!kvm_read_all(kd, (unsigned long)VTOI(vp), &isonode,
sizeof(isonode))) {
warnx("can't read iso_node at %p",
(void *)VTOI(vp));
return (1);
}
if (!kvm_read_all(kd, (unsigned long)isonode.i_mnt, &mnt,
sizeof(mnt))) {
warnx("can't read iso_mnt at %p",
(void *)VTOI(vp));
return (1);
}
vn->vn_fsid = dev2udev(kd, mnt.im_dev);
vn->vn_mode = (mode_t)isonode.inode.iso_mode;
vn->vn_fileid = isonode.i_number;
vn->vn_size = isonode.i_size;
return (0);
}
int
udf_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
{
struct udf_node node;
struct udf_mnt mnt;
int error;
assert(kd);
assert(vn);
error = kvm_read_all(kd, (unsigned long)VTON(vp), &node, sizeof(node));
if (error != 0) {
warnx("can't read udf fnode at %p", (void *)VTON(vp));
return (1);
}
error = kvm_read_all(kd, (unsigned long)node.udfmp, &mnt, sizeof(mnt));
if (error != 0) {
warnx("can't read udf_mnt at %p for vnode %p",
(void *)node.udfmp, vp);
return (1);
}
vn->vn_fileid = node.hash_id;
vn->vn_fsid = dev2udev(kd, mnt.im_dev);
return (0);
}
int
zfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
{
znode_phys_t zphys;
struct mount mount, *mountptr;
uint64_t *zid;
void *znodeptr, *vnodeptr;
char *dataptr;
void *zphys_addr;
size_t len;
int size;
len = sizeof(size);
if (sysctlbyname("debug.sizeof.znode", &size, &len, NULL, 0) == -1) {
warnx("error getting sysctl");
return (1);
}
znodeptr = malloc(size);
if (znodeptr == NULL) {
warnx("error allocating memory for znode storage");
return (1);
}
/* Since we have problems including vnode.h, we'll use the wrappers. */
vnodeptr = getvnodedata(vp);
if (!kvm_read_all(kd, (unsigned long)vnodeptr, znodeptr,
(size_t)size)) {
warnx("can't read znode at %p", (void *)vnodeptr);
goto bad;
}
/*
* z_id field is stored in the third pointer. We therefore skip the two
* first bytes.
*
* Pointer to the z_phys structure is the next last pointer. Therefore
* go back two bytes from the end.
*/
dataptr = znodeptr;
zid = (uint64_t *)(dataptr + LOCATION_ZID);
zphys_addr = *(void **)(dataptr + LOCATION_ZPHYS(size));
if (!kvm_read_all(kd, (unsigned long)zphys_addr, &zphys,
sizeof(zphys))) {
warnx("can't read znode_phys at %p", zphys_addr);
goto bad;
}
/* Get the mount pointer, and read from the address. */
mountptr = getvnodemount(vp);
if (!kvm_read_all(kd, (unsigned long)mountptr, &mount, sizeof(mount))) {
warnx("can't read mount at %p", (void *)mountptr);
goto bad;
}
vn->vn_fsid = mount.mnt_stat.f_fsid.val[0];
vn->vn_fileid = *zid;
/*
* XXX: Shows up wrong in output, but UFS has this error too. Could
* be that we're casting mode-variables from 64-bit to 8-bit or simply
* error in the mode-to-string function.
*/
vn->vn_mode = (mode_t)zphys.zp_mode;
vn->vn_size = (u_long)zphys.zp_size;
free(znodeptr);
return (0);
bad:
free(znodeptr);
return (1);
}
int
msdosfs_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
{
struct denode denode;
static struct dosmount *mounts;
struct dosmount *mnt;
u_long dirsperblk;
int fileid;
if (!kvm_read_all(kd, (unsigned long)VTODE(vp), &denode,
sizeof(denode))) {
warnx("can't read denode at %p", (void *)VTODE(vp));
return (1);
}
/*
* Find msdosfsmount structure for the vnode's filesystem. Needed
* for some filesystem parameters
*/
for (mnt = mounts; mnt; mnt = mnt->next)
if (mnt->kptr == denode.de_pmp)
break;
if (!mnt) {
if ((mnt = malloc(sizeof(struct dosmount))) == NULL) {
warn("malloc()");
return (1);
}
if (!kvm_read_all(kd, (unsigned long)denode.de_pmp,
&mnt->data, sizeof(mnt->data))) {
free(mnt);
warnx("can't read mount info at %p",
(void *)denode.de_pmp);
return (1);
}
mnt->next = mounts;
mounts = mnt;
mnt->kptr = denode.de_pmp;
}
vn->vn_fsid = dev2udev(kd, mnt->data.pm_dev);
vn->vn_mode = 0555;
vn->vn_mode |= denode.de_Attributes & ATTR_READONLY ? 0 : 0222;
vn->vn_mode &= mnt->data.pm_mask;
/* Distinguish directories and files. No "special" files in FAT. */
vn->vn_mode |= denode.de_Attributes & ATTR_DIRECTORY ? S_IFDIR : S_IFREG;
vn->vn_size = denode.de_FileSize;
/*
* XXX -
* Culled from msdosfs_vnops.c. There appears to be a problem
* here, in that a directory has the same inode number as the first
* file in the directory. stat(2) suffers from this problem also, so
* I won't try to fix it here.
*
* The following computation of the fileid must be the same as that
* used in msdosfs_readdir() to compute d_fileno. If not, pwd
* doesn't work.
*/
dirsperblk = mnt->data.pm_BytesPerSec / sizeof(struct direntry);
if (denode.de_Attributes & ATTR_DIRECTORY) {
fileid = cntobn(&mnt->data, denode.de_StartCluster)
* dirsperblk;
if (denode.de_StartCluster == MSDOSFSROOT)
fileid = 1;
} else {
fileid = cntobn(&mnt->data, denode.de_dirclust) * dirsperblk;
if (denode.de_dirclust == MSDOSFSROOT)
fileid = roottobn(&mnt->data, 0) * dirsperblk;
fileid += denode.de_diroffset / sizeof(struct direntry);
}
vn->vn_fileid = fileid;
return (0);
}
