xref: /openbmc/linux/fs/xfs/scrub/trace.c (revision d2ba09c1)
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"
59