Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2022-2024 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <djwong@kernel.org>
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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_trans_resv.h"
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#include "xfs_mount.h"
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#include "xfs_rtgroup.h"
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#include "xfs_log_format.h"
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#include "xfs_trans.h"
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#include "xfs_sb.h"
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#include "xfs_rmap.h"
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#include "scrub/scrub.h"
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#include "scrub/common.h"
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#include "scrub/repair.h"
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/* Set us up with a transaction and an empty context. */
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int
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xchk_setup_rgsuperblock(
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struct xfs_scrub *sc)
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{
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return xchk_trans_alloc(sc, 0);
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}
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/* Cross-reference with the other rt metadata. */
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STATIC void
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xchk_rgsuperblock_xref(
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struct xfs_scrub *sc)
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{
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if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
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return;
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xchk_xref_is_used_rt_space(sc, xfs_rgbno_to_rtb(sc->sr.rtg, 0), 1);
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xchk_xref_is_only_rt_owned_by(sc, 0, 1, &XFS_RMAP_OINFO_FS);
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}
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int
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xchk_rgsuperblock(
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struct xfs_scrub *sc)
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{
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xfs_rgnumber_t rgno = sc->sm->sm_agno;
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int error;
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/*
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* Only rtgroup 0 has a superblock. We may someday want to use higher
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* rgno for other functions, similar to what we do with the primary
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* super scrub function.
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*/
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if (rgno != 0)
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return -ENOENT;
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/*
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* Grab an active reference to the rtgroup structure. If we can't get
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* it, we're racing with something that's tearing down the group, so
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* signal that the group no longer exists. Take the rtbitmap in shared
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* mode so that the group can't change while we're doing things.
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*/
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error = xchk_rtgroup_init_existing(sc, rgno, &sc->sr);
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if (!xchk_xref_process_error(sc, 0, 0, &error))
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return error;
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error = xchk_rtgroup_lock(sc, &sc->sr, XFS_RTGLOCK_BITMAP_SHARED);
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if (error)
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return error;
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/*
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* Since we already validated the rt superblock at mount time, we don't
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* need to check its contents again. All we need is to cross-reference.
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*/
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xchk_rgsuperblock_xref(sc);
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return 0;
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}
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#ifdef CONFIG_XFS_ONLINE_REPAIR
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int
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xrep_rgsuperblock(
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struct xfs_scrub *sc)
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{
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ASSERT(rtg_rgno(sc->sr.rtg) == 0);
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xfs_log_sb(sc->tp);
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return 0;
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}
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#endif /* CONFIG_XFS_ONLINE_REPAIR */
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