forked from Minki/linux
537964bceb
Create helper functions and tracepoints to deal with errors while scrubbing a metadata btree. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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* Copyright (C) 2017 Oracle. All Rights Reserved.
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*
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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#include "xfs_shared.h"
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#include "xfs_format.h"
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#include "xfs_log_format.h"
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#include "xfs_trans_resv.h"
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#include "xfs_mount.h"
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#include "xfs_defer.h"
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#include "xfs_da_format.h"
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#include "xfs_defer.h"
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#include "xfs_inode.h"
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#include "xfs_btree.h"
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#include "xfs_trans.h"
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#include "xfs_bit.h"
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#include "scrub/xfs_scrub.h"
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#include "scrub/scrub.h"
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#include "scrub/common.h"
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/* Figure out which block the btree cursor was pointing to. */
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static inline xfs_fsblock_t
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xfs_scrub_btree_cur_fsbno(
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struct xfs_btree_cur *cur,
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int level)
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{
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if (level < cur->bc_nlevels && cur->bc_bufs[level])
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return XFS_DADDR_TO_FSB(cur->bc_mp, cur->bc_bufs[level]->b_bn);
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else if (level == cur->bc_nlevels - 1 &&
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cur->bc_flags & XFS_BTREE_LONG_PTRS)
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return XFS_INO_TO_FSB(cur->bc_mp, cur->bc_private.b.ip->i_ino);
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else if (!(cur->bc_flags & XFS_BTREE_LONG_PTRS))
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return XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_private.a.agno, 0);
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return NULLFSBLOCK;
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}
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/*
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* We include this last to have the helpers above available for the trace
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* event implementations.
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*/
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#define CREATE_TRACE_POINTS
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#include "scrub/trace.h"
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