Differential D46709 Diff 143505 sys/kern/vfs_vnops.c

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sys/kern/vfs_vnops.c

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*/		*/
int		int
vn_statfile(struct file fp, struct stat sb, struct ucred *active_cred)		vn_statfile(struct file fp, struct stat sb, struct ucred *active_cred)
{		{
struct vnode *vp = fp->f_vnode;		struct vnode *vp = fp->f_vnode;
int error;		int error;

vn_lock(vp, LK_SHARED \| LK_RETRY);		vn_lock(vp, LK_SHARED \| LK_RETRY);
error = VOP_STAT(vp, sb, active_cred, fp->f_cred);		error = VOP_STAT(vp, sb, 0, active_cred, fp->f_cred);
VOP_UNLOCK(vp);		VOP_UNLOCK(vp);

return (error);		return (error);
}		}

/*		/*
* File table vnode ioctl routine.		* File table vnode ioctl routine.
*/		*/
▲ Show 20 Lines • Show All 1,101 Lines • ▼ Show 20 Lines	vn_fill_kinfo_vnode(struct vnode vp, struct kinfo_file kif)
);		);

/*		/*
* Retrieve vnode attributes.		* Retrieve vnode attributes.
*/		*/
va.va_fsid = VNOVAL;		va.va_fsid = VNOVAL;
va.va_rdev = NODEV;		va.va_rdev = NODEV;
vn_lock(vp, LK_SHARED \| LK_RETRY);		vn_lock(vp, LK_SHARED \| LK_RETRY);
error = VOP_GETATTR(vp, &va, curthread->td_ucred);		error = VOP_GETATTR(vp, 0, &va, curthread->td_ucred);
VOP_UNLOCK(vp);		VOP_UNLOCK(vp);
if (error != 0)		if (error != 0)
return (error);		return (error);
if (va.va_fsid != VNOVAL)		if (va.va_fsid != VNOVAL)
kif->kf_un.kf_file.kf_file_fsid = va.va_fsid;		kif->kf_un.kf_file.kf_file_fsid = va.va_fsid;
else		else
kif->kf_un.kf_file.kf_file_fsid =		kif->kf_un.kf_file.kf_file_fsid =
vp->v_mount->mnt_stat.f_fsid.val[0];		vp->v_mount->mnt_stat.f_fsid.val[0];
▲ Show 20 Lines • Show All 530 Lines • ▼ Show 20 Lines	vn_generic_copy_file_range(struct vnode invp, off_t inoffp,
interrupted = 0;		interrupted = 0;
dat = NULL;		dat = NULL;

error = vn_lock(invp, LK_SHARED);		error = vn_lock(invp, LK_SHARED);
if (error != 0)		if (error != 0)
goto out;		goto out;
if (VOP_PATHCONF(invp, _PC_MIN_HOLE_SIZE, &holein) != 0)		if (VOP_PATHCONF(invp, _PC_MIN_HOLE_SIZE, &holein) != 0)
holein = 0;		holein = 0;
error = VOP_GETATTR(invp, &inva, incred);		error = VOP_GETATTR(invp, 0, &inva, incred);
if (error == 0 && inva.va_size > OFF_MAX)		if (error == 0 && inva.va_size > OFF_MAX)
error = EFBIG;		error = EFBIG;
VOP_UNLOCK(invp);		VOP_UNLOCK(invp);
if (error != 0)		if (error != 0)
goto out;		goto out;

/*		/*
* Use va_bytes >= va_size as a hint that the file does not have		* Use va_bytes >= va_size as a hint that the file does not have
▲ Show 20 Lines • Show All 639 Lines • ▼ Show 20 Lines	vn_dir_check_empty(struct vnode *vp)
off_t off;		off_t off;
int eofflag, error;		int eofflag, error;
struct dirent *dp;		struct dirent *dp;
struct vattr va;		struct vattr va;

ASSERT_VOP_LOCKED(vp, "vfs_emptydir");		ASSERT_VOP_LOCKED(vp, "vfs_emptydir");
VNPASS(vp->v_type == VDIR, vp);		VNPASS(vp->v_type == VDIR, vp);

error = VOP_GETATTR(vp, &va, td->td_ucred);		error = VOP_GETATTR(vp, 0, &va, td->td_ucred);
if (error != 0)		if (error != 0)
return (error);		return (error);

dirbuflen = max(DEV_BSIZE, GENERIC_MAXDIRSIZ);		dirbuflen = max(DEV_BSIZE, GENERIC_MAXDIRSIZ);
if (dirbuflen < va.va_blocksize)		if (dirbuflen < va.va_blocksize)
dirbuflen = va.va_blocksize;		dirbuflen = va.va_blocksize;
dirbuf = malloc(dirbuflen, M_TEMP, M_WAITOK);		dirbuf = malloc(dirbuflen, M_TEMP, M_WAITOK);

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