static int nullfs_getattr(struct vnop_getattr_args * args) { int error; struct null_mount * null_mp = MOUNTTONULLMOUNT(vnode_mount(args->a_vp)); NULLFSDEBUG("%s %p\n", __FUNCTION__, args->a_vp); lck_mtx_lock(&null_mp->nullm_lock); if (nullfs_isspecialvp(args->a_vp)) { error = nullfs_special_getattr(args); lck_mtx_unlock(&null_mp->nullm_lock); return error; } lck_mtx_unlock(&null_mp->nullm_lock); /* this will return a different inode for third than read dir will */ struct vnode * lowervp = NULLVPTOLOWERVP(args->a_vp); error = vnode_getwithref(lowervp); if (error == 0) { error = VNOP_GETATTR(lowervp, args->a_vap, args->a_context); vnode_put(lowervp); if (error == 0) { /* fix up fsid so it doesn't say the underlying fs*/ VATTR_RETURN(args->a_vap, va_fsid, vfs_statfs(vnode_mount(args->a_vp))->f_fsid.val[0]); } } return error; }
int afs_osi_Stat(struct osi_file *afile, struct osi_stat *astat) { afs_int32 code; struct vattr tvattr; AFS_STATCNT(osi_Stat); ObtainWriteLock(&afs_xosi, 320); AFS_GUNLOCK(); code = VNOP_GETATTR(afile->vnode, &tvattr, &afs_osi_cred); AFS_GLOCK(); if (code == 0) { astat->size = tvattr.va_size; astat->mtime = tvattr.va_mtime.tv_sec; astat->atime = tvattr.va_atime.tv_sec; } ReleaseWriteLock(&afs_xosi); return code; }