fs/xfs/scrub/trace.c

   1 /*
   2  * Copyright (C) 2017 Oracle.  All Rights Reserved.
   3  *
   4  * Author: Darrick J. Wong <darrick.wong@oracle.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it would be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write the Free Software Foundation,
  18  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 #include "xfs.h"
  21 #include "xfs_fs.h"
  22 #include "xfs_shared.h"
  23 #include "xfs_format.h"
  24 #include "xfs_log_format.h"
  25 #include "xfs_trans_resv.h"
  26 #include "xfs_mount.h"
  27 #include "xfs_defer.h"
  28 #include "xfs_da_format.h"
  29 #include "xfs_inode.h"
  30 #include "xfs_btree.h"
  31 #include "xfs_trans.h"
  32 #include "xfs_bit.h"
  33 #include "scrub/xfs_scrub.h"
  34 #include "scrub/scrub.h"
  35 #include "scrub/common.h"
  36
  37 /* Figure out which block the btree cursor was pointing to. */
  38 static inline xfs_fsblock_t
  39 xfs_scrub_btree_cur_fsbno(
  40         struct xfs_btree_cur            *cur,
  41         int                             level)
  42 {
  43         if (level < cur->bc_nlevels && cur->bc_bufs[level])
  44                 return XFS_DADDR_TO_FSB(cur->bc_mp, cur->bc_bufs[level]->b_bn);
  45         else if (level == cur->bc_nlevels - 1 &&
  46                  cur->bc_flags & XFS_BTREE_LONG_PTRS)
  47                 return XFS_INO_TO_FSB(cur->bc_mp, cur->bc_private.b.ip->i_ino);
  48         else if (!(cur->bc_flags & XFS_BTREE_LONG_PTRS))
  49                 return XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_private.a.agno, 0);
  50         return NULLFSBLOCK;
  51 }
  52
  53 /*
  54  * We include this last to have the helpers above available for the trace
  55  * event implementations.
  56  */
  57 #define CREATE_TRACE_POINTS
  58 #include "scrub/trace.h"