/*===========================================================================*
* do_statvfs *
*===========================================================================*/
int do_statvfs()
{
/* Perform the stat(name, buf) system call. */
int r;
struct vnode *vp;
struct vmnt *vmp;
char fullpath[PATH_MAX];
struct lookup resolve;
vir_bytes vname1, statbuf;
size_t vname1_length;
vname1 = (vir_bytes) job_m_in.name1;
vname1_length = (size_t) job_m_in.name1_length;
statbuf = (vir_bytes) job_m_in.name2;
lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
resolve.l_vmnt_lock = VMNT_READ;
resolve.l_vnode_lock = VNODE_READ;
if (fetch_name(vname1, vname1_length, fullpath) != OK) return(err_code);
if ((vp = eat_path(&resolve, fp)) == NULL) return(err_code);
r = req_statvfs(vp->v_fs_e, who_e, statbuf);
unlock_vnode(vp);
unlock_vmnt(vmp);
put_vnode(vp);
return r;
}
/*===========================================================================*
* update_statvfs *
*===========================================================================*/
int update_statvfs(struct vmnt *vmp, struct statvfs *buf)
{
/* Get statistics from a file system, and cache part of the results. */
int r;
if ((r = req_statvfs(vmp->m_fs_e, buf)) != OK)
return r;
vmp->m_stats.f_flag = buf->f_flag;
vmp->m_stats.f_bsize = buf->f_bsize;
vmp->m_stats.f_frsize = buf->f_frsize;
vmp->m_stats.f_iosize = buf->f_iosize;
vmp->m_stats.f_blocks = buf->f_blocks;
vmp->m_stats.f_bfree = buf->f_bfree;
vmp->m_stats.f_bavail = buf->f_bavail;
vmp->m_stats.f_bresvd = buf->f_bresvd;
vmp->m_stats.f_files = buf->f_files;
vmp->m_stats.f_ffree = buf->f_ffree;
vmp->m_stats.f_favail = buf->f_favail;
vmp->m_stats.f_fresvd = buf->f_fresvd;
vmp->m_stats.f_syncreads = buf->f_syncreads;
vmp->m_stats.f_syncwrites = buf->f_syncwrites;
vmp->m_stats.f_asyncreads = buf->f_asyncreads;
vmp->m_stats.f_asyncwrites = buf->f_asyncwrites;
vmp->m_stats.f_namemax = buf->f_namemax;
return OK;
}
/*===========================================================================*
* do_fstatvfs *
*===========================================================================*/
int do_fstatvfs()
{
/* Perform the fstat(fd, buf) system call. */
register struct filp *rfilp;
int r, rfd;
vir_bytes statbuf;
rfd = job_m_in.fd;
statbuf = (vir_bytes) job_m_in.name2;
/* Is the file descriptor valid? */
if ((rfilp = get_filp(rfd, VNODE_READ)) == NULL) return(err_code);
r = req_statvfs(rfilp->filp_vno->v_fs_e, who_e, statbuf);
unlock_filp(rfilp);
return(r);
}
