xref: /OK3568_Linux_fs/kernel/fs/xfs/scrub/trace.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2017 Oracle.  All Rights Reserved.
4*4882a593Smuzhiyun  * Author: Darrick J. Wong <darrick.wong@oracle.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun #include "xfs.h"
7*4882a593Smuzhiyun #include "xfs_fs.h"
8*4882a593Smuzhiyun #include "xfs_shared.h"
9*4882a593Smuzhiyun #include "xfs_format.h"
10*4882a593Smuzhiyun #include "xfs_log_format.h"
11*4882a593Smuzhiyun #include "xfs_trans_resv.h"
12*4882a593Smuzhiyun #include "xfs_mount.h"
13*4882a593Smuzhiyun #include "xfs_inode.h"
14*4882a593Smuzhiyun #include "xfs_btree.h"
15*4882a593Smuzhiyun #include "scrub/scrub.h"
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun /* Figure out which block the btree cursor was pointing to. */
18*4882a593Smuzhiyun static inline xfs_fsblock_t
xchk_btree_cur_fsbno(struct xfs_btree_cur * cur,int level)19*4882a593Smuzhiyun xchk_btree_cur_fsbno(
20*4882a593Smuzhiyun 	struct xfs_btree_cur	*cur,
21*4882a593Smuzhiyun 	int			level)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun 	if (level < cur->bc_nlevels && cur->bc_bufs[level])
24*4882a593Smuzhiyun 		return XFS_DADDR_TO_FSB(cur->bc_mp, cur->bc_bufs[level]->b_bn);
25*4882a593Smuzhiyun 	else if (level == cur->bc_nlevels - 1 &&
26*4882a593Smuzhiyun 		 cur->bc_flags & XFS_BTREE_LONG_PTRS)
27*4882a593Smuzhiyun 		return XFS_INO_TO_FSB(cur->bc_mp, cur->bc_ino.ip->i_ino);
28*4882a593Smuzhiyun 	else if (!(cur->bc_flags & XFS_BTREE_LONG_PTRS))
29*4882a593Smuzhiyun 		return XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_ag.agno, 0);
30*4882a593Smuzhiyun 	return NULLFSBLOCK;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun /*
34*4882a593Smuzhiyun  * We include this last to have the helpers above available for the trace
35*4882a593Smuzhiyun  * event implementations.
36*4882a593Smuzhiyun  */
37*4882a593Smuzhiyun #define CREATE_TRACE_POINTS
38*4882a593Smuzhiyun #include "scrub/trace.h"
39