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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2021 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <djwong@kernel.org>
*/
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_shared.h"
#include "xfs_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
#include "xfs_btree.h"
#include "xfs_log_format.h"
#include "xfs_trans.h"
#include "xfs_rtalloc.h"
#include "xfs_inode.h"
#include "xfs_bit.h"
#include "xfs_bmap.h"
#include "xfs_swapext.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/trace.h"
#include "scrub/repair.h"
/* Repair the realtime summary. */
int
xrep_rtsummary(
struct xfs_scrub *sc)
{
struct xfs_swapext_req req = { .flags = 0 };
int error;
/* Make sure any problems with the fork are fixed. */
error = xrep_metadata_inode_forks(sc);
if (error)
return error;
/*
* Trylock the temporary file. We had better be the only ones holding
* onto this inode...
*/
if (!xfs_ilock_nowait(sc->tempip, XFS_ILOCK_EXCL))
return -EAGAIN;
sc->temp_ilock_flags = XFS_ILOCK_EXCL;
/* Make sure we have space allocated for the entire summary file. */
xfs_trans_ijoin(sc->tp, sc->ip, 0);
xfs_trans_ijoin(sc->tp, sc->tempip, 0);
error = xrep_fallocate(sc, 0, XFS_B_TO_FSB(sc->mp, sc->mp->m_rsumsize));
if (error)
return error;
/* Copy the rtsummary file that we generated. */
error = xrep_set_file_contents(sc, &xfs_rtbuf_ops,
XFS_BLFT_RTSUMMARY_BUF, sc->mp->m_rsumsize);
if (error)
return error;
/* Now swap the extents. */
req.ip1 = sc->tempip;
req.ip2 = sc->ip;
req.whichfork = XFS_DATA_FORK;
req.blockcount = XFS_B_TO_FSB(sc->mp, sc->mp->m_rsumsize);
return xfs_swapext(&sc->tp, &req);
}
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