From 623ceec2324c375582b2b819a1b1daa5ea006ae7 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 1 Sep 2021 10:40:22 -0700 Subject: xfs: move the realtime summary file scrubber to a separate source file Move the realtime summary file checking code to a separate file in preparation to actually implement it. Signed-off-by: Darrick J. Wong --- fs/xfs/scrub/rtsummary.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 fs/xfs/scrub/rtsummary.c (limited to 'fs/xfs/scrub/rtsummary.c') diff --git a/fs/xfs/scrub/rtsummary.c b/fs/xfs/scrub/rtsummary.c new file mode 100644 index 000000000000..1a3d5a8b010c --- /dev/null +++ b/fs/xfs/scrub/rtsummary.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2017-2021 Oracle. All Rights Reserved. + * Author: Darrick J. Wong + */ +#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 "scrub/scrub.h" +#include "scrub/common.h" + +/* Scrub the realtime summary. */ +int +xchk_rtsummary( + struct xfs_scrub *sc) +{ + struct xfs_inode *rsumip = sc->mp->m_rsumip; + struct xfs_inode *old_ip = sc->ip; + uint old_ilock_flags = sc->ilock_flags; + int error = 0; + + /* + * We ILOCK'd the rt bitmap ip in the setup routine, now lock the + * rt summary ip in compliance with the rt inode locking rules. + * + * Since we switch sc->ip to rsumip we have to save the old ilock + * flags so that we don't mix up the inode state that @sc tracks. + */ + sc->ip = rsumip; + sc->ilock_flags = XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM; + xfs_ilock(sc->ip, sc->ilock_flags); + + /* Invoke the fork scrubber. */ + error = xchk_metadata_inode_forks(sc); + if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) + goto out; + + /* XXX: implement this some day */ + xchk_set_incomplete(sc); +out: + /* Switch back to the rtbitmap inode and lock flags. */ + xfs_iunlock(sc->ip, sc->ilock_flags); + sc->ilock_flags = old_ilock_flags; + sc->ip = old_ip; + return error; +} -- cgit v1.2.3