libfrog/bulkstat.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2019 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <darrick.wong@oracle.com>
   5  */
   6 #include "xfs.h"
   7 #include "fsgeom.h"
   8 #include "bulkstat.h"
   9
  10 /* Bulkstat a single inode.  Returns zero or a positive error code. */
  11 int
  12 xfrog_bulkstat_single(
  13         struct xfs_fd           *xfd,
  14         uint64_t                ino,
  15         struct xfs_bstat        *ubuffer)
  16 {
  17         __u64                   i = ino;
  18         struct xfs_fsop_bulkreq bulkreq = {
  19                 .lastip         = &i,
  20                 .icount         = 1,
  21                 .ubuffer        = ubuffer,
  22                 .ocount         = NULL,
  23         };
  24         int                     ret;
  25
  26         ret = ioctl(xfd->fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq);
  27         if (ret)
  28                 return errno;
  29         return 0;
  30 }
  31
  32 /* Bulkstat a bunch of inodes.  Returns zero or a positive error code. */
  33 int
  34 xfrog_bulkstat(
  35         struct xfs_fd           *xfd,
  36         uint64_t                *lastino,
  37         uint32_t                icount,
  38         struct xfs_bstat        *ubuffer,
  39         uint32_t                *ocount)
  40 {
  41         struct xfs_fsop_bulkreq bulkreq = {
  42                 .lastip         = (__u64 *)lastino,
  43                 .icount         = icount,
  44                 .ubuffer        = ubuffer,
  45                 .ocount         = (__s32 *)ocount,
  46         };
  47         int                     ret;
  48
  49         ret = ioctl(xfd->fd, XFS_IOC_FSBULKSTAT, &bulkreq);
  50         if (ret)
  51                 return errno;
  52         return 0;
  53 }
  54
  55 /*
  56  * Query inode allocation bitmask information.  Returns zero or a positive
  57  * error code.
  58  */
  59 int
  60 xfrog_inumbers(
  61         struct xfs_fd           *xfd,
  62         uint64_t                *lastino,
  63         uint32_t                icount,
  64         struct xfs_inogrp       *ubuffer,
  65         uint32_t                *ocount)
  66 {
  67         struct xfs_fsop_bulkreq bulkreq = {
  68                 .lastip         = (__u64 *)lastino,
  69                 .icount         = icount,
  70                 .ubuffer        = ubuffer,
  71                 .ocount         = (__s32 *)ocount,
  72         };
  73         int                     ret;
  74
  75         ret = ioctl(xfd->fd, XFS_IOC_FSINUMBERS, &bulkreq);
  76         if (ret)
  77                 return errno;
  78         return 0;
  79 }