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xfs: move the realtime summary file scrubber to a separate source file

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Move the realtime summary file checking code to a separate file in
preparation to actually implement it.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2023-08-10 07:48:09 -07:00
parent 294012fb07
commit b7d47a77b9
3 changed files with 60 additions and 38 deletions
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7
fs/xfs/Makefile
View File

@ -169,7 +169,12 @@ xfs-y += $(addprefix scrub/, \
)
xfs-$(CONFIG_XFS_ONLINE_SCRUB_STATS) += scrub/stats.o
xfs-$(CONFIG_XFS_RT) += scrub/rtbitmap.o
xfs-$(CONFIG_XFS_RT) += $(addprefix scrub/, \
rtbitmap.o \
rtsummary.o \
)
xfs-$(CONFIG_XFS_QUOTA) += scrub/quota.o
# online repair

37
fs/xfs/scrub/rtbitmap.c
View File

@ -124,43 +124,6 @@ out:
return error;
}
/* 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 = 0;
xchk_ilock(sc, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
/* 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. */
xchk_iunlock(sc, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
sc->ilock_flags = old_ilock_flags;
sc->ip = old_ip;
return error;
}
/* xref check that the extent is not free in the rtbitmap */
void
xchk_xref_is_used_rt_space(

54
fs/xfs/scrub/rtsummary.c Normal file
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@ -0,0 +1,54 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2017-2023 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_inode.h"
#include "xfs_log_format.h"
#include "xfs_trans.h"
#include "xfs_rtalloc.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 = 0;
xchk_ilock(sc, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
/* 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. */
xchk_iunlock(sc, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
sc->ilock_flags = old_ilock_flags;
sc->ip = old_ip;
return error;
}