89d139d5ad
Use space in the bulkstat ioctl structure to report any problems observed with the inode. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
393 lines
9.3 KiB
C
393 lines
9.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2019 Oracle. All Rights Reserved.
|
|
* Author: Darrick J. Wong <darrick.wong@oracle.com>
|
|
*/
|
|
#include "xfs.h"
|
|
#include "xfs_fs.h"
|
|
#include "xfs_shared.h"
|
|
#include "xfs_format.h"
|
|
#include "xfs_log_format.h"
|
|
#include "xfs_trans_resv.h"
|
|
#include "xfs_bit.h"
|
|
#include "xfs_sb.h"
|
|
#include "xfs_mount.h"
|
|
#include "xfs_defer.h"
|
|
#include "xfs_da_format.h"
|
|
#include "xfs_da_btree.h"
|
|
#include "xfs_inode.h"
|
|
#include "xfs_trace.h"
|
|
#include "xfs_health.h"
|
|
|
|
/*
|
|
* Warn about metadata corruption that we detected but haven't fixed, and
|
|
* make sure we're not sitting on anything that would get in the way of
|
|
* recovery.
|
|
*/
|
|
void
|
|
xfs_health_unmount(
|
|
struct xfs_mount *mp)
|
|
{
|
|
struct xfs_perag *pag;
|
|
xfs_agnumber_t agno;
|
|
unsigned int sick = 0;
|
|
unsigned int checked = 0;
|
|
bool warn = false;
|
|
|
|
if (XFS_FORCED_SHUTDOWN(mp))
|
|
return;
|
|
|
|
/* Measure AG corruption levels. */
|
|
for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) {
|
|
pag = xfs_perag_get(mp, agno);
|
|
xfs_ag_measure_sickness(pag, &sick, &checked);
|
|
if (sick) {
|
|
trace_xfs_ag_unfixed_corruption(mp, agno, sick);
|
|
warn = true;
|
|
}
|
|
xfs_perag_put(pag);
|
|
}
|
|
|
|
/* Measure realtime volume corruption levels. */
|
|
xfs_rt_measure_sickness(mp, &sick, &checked);
|
|
if (sick) {
|
|
trace_xfs_rt_unfixed_corruption(mp, sick);
|
|
warn = true;
|
|
}
|
|
|
|
/*
|
|
* Measure fs corruption and keep the sample around for the warning.
|
|
* See the note below for why we exempt FS_COUNTERS.
|
|
*/
|
|
xfs_fs_measure_sickness(mp, &sick, &checked);
|
|
if (sick & ~XFS_SICK_FS_COUNTERS) {
|
|
trace_xfs_fs_unfixed_corruption(mp, sick);
|
|
warn = true;
|
|
}
|
|
|
|
if (warn) {
|
|
xfs_warn(mp,
|
|
"Uncorrected metadata errors detected; please run xfs_repair.");
|
|
|
|
/*
|
|
* We discovered uncorrected metadata problems at some point
|
|
* during this filesystem mount and have advised the
|
|
* administrator to run repair once the unmount completes.
|
|
*
|
|
* However, we must be careful -- when FSCOUNTERS are flagged
|
|
* unhealthy, the unmount procedure omits writing the clean
|
|
* unmount record to the log so that the next mount will run
|
|
* recovery and recompute the summary counters. In other
|
|
* words, we leave a dirty log to get the counters fixed.
|
|
*
|
|
* Unfortunately, xfs_repair cannot recover dirty logs, so if
|
|
* there were filesystem problems, FSCOUNTERS was flagged, and
|
|
* the administrator takes our advice to run xfs_repair,
|
|
* they'll have to zap the log before repairing structures.
|
|
* We don't really want to encourage this, so we mark the
|
|
* FSCOUNTERS healthy so that a subsequent repair run won't see
|
|
* a dirty log.
|
|
*/
|
|
if (sick & XFS_SICK_FS_COUNTERS)
|
|
xfs_fs_mark_healthy(mp, XFS_SICK_FS_COUNTERS);
|
|
}
|
|
}
|
|
|
|
/* Mark unhealthy per-fs metadata. */
|
|
void
|
|
xfs_fs_mark_sick(
|
|
struct xfs_mount *mp,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_FS_PRIMARY));
|
|
trace_xfs_fs_mark_sick(mp, mask);
|
|
|
|
spin_lock(&mp->m_sb_lock);
|
|
mp->m_fs_sick |= mask;
|
|
mp->m_fs_checked |= mask;
|
|
spin_unlock(&mp->m_sb_lock);
|
|
}
|
|
|
|
/* Mark a per-fs metadata healed. */
|
|
void
|
|
xfs_fs_mark_healthy(
|
|
struct xfs_mount *mp,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_FS_PRIMARY));
|
|
trace_xfs_fs_mark_healthy(mp, mask);
|
|
|
|
spin_lock(&mp->m_sb_lock);
|
|
mp->m_fs_sick &= ~mask;
|
|
mp->m_fs_checked |= mask;
|
|
spin_unlock(&mp->m_sb_lock);
|
|
}
|
|
|
|
/* Sample which per-fs metadata are unhealthy. */
|
|
void
|
|
xfs_fs_measure_sickness(
|
|
struct xfs_mount *mp,
|
|
unsigned int *sick,
|
|
unsigned int *checked)
|
|
{
|
|
spin_lock(&mp->m_sb_lock);
|
|
*sick = mp->m_fs_sick;
|
|
*checked = mp->m_fs_checked;
|
|
spin_unlock(&mp->m_sb_lock);
|
|
}
|
|
|
|
/* Mark unhealthy realtime metadata. */
|
|
void
|
|
xfs_rt_mark_sick(
|
|
struct xfs_mount *mp,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_RT_PRIMARY));
|
|
trace_xfs_rt_mark_sick(mp, mask);
|
|
|
|
spin_lock(&mp->m_sb_lock);
|
|
mp->m_rt_sick |= mask;
|
|
mp->m_rt_checked |= mask;
|
|
spin_unlock(&mp->m_sb_lock);
|
|
}
|
|
|
|
/* Mark a realtime metadata healed. */
|
|
void
|
|
xfs_rt_mark_healthy(
|
|
struct xfs_mount *mp,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_RT_PRIMARY));
|
|
trace_xfs_rt_mark_healthy(mp, mask);
|
|
|
|
spin_lock(&mp->m_sb_lock);
|
|
mp->m_rt_sick &= ~mask;
|
|
mp->m_rt_checked |= mask;
|
|
spin_unlock(&mp->m_sb_lock);
|
|
}
|
|
|
|
/* Sample which realtime metadata are unhealthy. */
|
|
void
|
|
xfs_rt_measure_sickness(
|
|
struct xfs_mount *mp,
|
|
unsigned int *sick,
|
|
unsigned int *checked)
|
|
{
|
|
spin_lock(&mp->m_sb_lock);
|
|
*sick = mp->m_rt_sick;
|
|
*checked = mp->m_rt_checked;
|
|
spin_unlock(&mp->m_sb_lock);
|
|
}
|
|
|
|
/* Mark unhealthy per-ag metadata. */
|
|
void
|
|
xfs_ag_mark_sick(
|
|
struct xfs_perag *pag,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_AG_PRIMARY));
|
|
trace_xfs_ag_mark_sick(pag->pag_mount, pag->pag_agno, mask);
|
|
|
|
spin_lock(&pag->pag_state_lock);
|
|
pag->pag_sick |= mask;
|
|
pag->pag_checked |= mask;
|
|
spin_unlock(&pag->pag_state_lock);
|
|
}
|
|
|
|
/* Mark per-ag metadata ok. */
|
|
void
|
|
xfs_ag_mark_healthy(
|
|
struct xfs_perag *pag,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_AG_PRIMARY));
|
|
trace_xfs_ag_mark_healthy(pag->pag_mount, pag->pag_agno, mask);
|
|
|
|
spin_lock(&pag->pag_state_lock);
|
|
pag->pag_sick &= ~mask;
|
|
pag->pag_checked |= mask;
|
|
spin_unlock(&pag->pag_state_lock);
|
|
}
|
|
|
|
/* Sample which per-ag metadata are unhealthy. */
|
|
void
|
|
xfs_ag_measure_sickness(
|
|
struct xfs_perag *pag,
|
|
unsigned int *sick,
|
|
unsigned int *checked)
|
|
{
|
|
spin_lock(&pag->pag_state_lock);
|
|
*sick = pag->pag_sick;
|
|
*checked = pag->pag_checked;
|
|
spin_unlock(&pag->pag_state_lock);
|
|
}
|
|
|
|
/* Mark the unhealthy parts of an inode. */
|
|
void
|
|
xfs_inode_mark_sick(
|
|
struct xfs_inode *ip,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_INO_PRIMARY));
|
|
trace_xfs_inode_mark_sick(ip, mask);
|
|
|
|
spin_lock(&ip->i_flags_lock);
|
|
ip->i_sick |= mask;
|
|
ip->i_checked |= mask;
|
|
spin_unlock(&ip->i_flags_lock);
|
|
}
|
|
|
|
/* Mark parts of an inode healed. */
|
|
void
|
|
xfs_inode_mark_healthy(
|
|
struct xfs_inode *ip,
|
|
unsigned int mask)
|
|
{
|
|
ASSERT(!(mask & ~XFS_SICK_INO_PRIMARY));
|
|
trace_xfs_inode_mark_healthy(ip, mask);
|
|
|
|
spin_lock(&ip->i_flags_lock);
|
|
ip->i_sick &= ~mask;
|
|
ip->i_checked |= mask;
|
|
spin_unlock(&ip->i_flags_lock);
|
|
}
|
|
|
|
/* Sample which parts of an inode are unhealthy. */
|
|
void
|
|
xfs_inode_measure_sickness(
|
|
struct xfs_inode *ip,
|
|
unsigned int *sick,
|
|
unsigned int *checked)
|
|
{
|
|
spin_lock(&ip->i_flags_lock);
|
|
*sick = ip->i_sick;
|
|
*checked = ip->i_checked;
|
|
spin_unlock(&ip->i_flags_lock);
|
|
}
|
|
|
|
/* Mappings between internal sick masks and ioctl sick masks. */
|
|
|
|
struct ioctl_sick_map {
|
|
unsigned int sick_mask;
|
|
unsigned int ioctl_mask;
|
|
};
|
|
|
|
static const struct ioctl_sick_map fs_map[] = {
|
|
{ XFS_SICK_FS_COUNTERS, XFS_FSOP_GEOM_SICK_COUNTERS},
|
|
{ XFS_SICK_FS_UQUOTA, XFS_FSOP_GEOM_SICK_UQUOTA },
|
|
{ XFS_SICK_FS_GQUOTA, XFS_FSOP_GEOM_SICK_GQUOTA },
|
|
{ XFS_SICK_FS_PQUOTA, XFS_FSOP_GEOM_SICK_PQUOTA },
|
|
{ 0, 0 },
|
|
};
|
|
|
|
static const struct ioctl_sick_map rt_map[] = {
|
|
{ XFS_SICK_RT_BITMAP, XFS_FSOP_GEOM_SICK_RT_BITMAP },
|
|
{ XFS_SICK_RT_SUMMARY, XFS_FSOP_GEOM_SICK_RT_SUMMARY },
|
|
{ 0, 0 },
|
|
};
|
|
|
|
static inline void
|
|
xfgeo_health_tick(
|
|
struct xfs_fsop_geom *geo,
|
|
unsigned int sick,
|
|
unsigned int checked,
|
|
const struct ioctl_sick_map *m)
|
|
{
|
|
if (checked & m->sick_mask)
|
|
geo->checked |= m->ioctl_mask;
|
|
if (sick & m->sick_mask)
|
|
geo->sick |= m->ioctl_mask;
|
|
}
|
|
|
|
/* Fill out fs geometry health info. */
|
|
void
|
|
xfs_fsop_geom_health(
|
|
struct xfs_mount *mp,
|
|
struct xfs_fsop_geom *geo)
|
|
{
|
|
const struct ioctl_sick_map *m;
|
|
unsigned int sick;
|
|
unsigned int checked;
|
|
|
|
geo->sick = 0;
|
|
geo->checked = 0;
|
|
|
|
xfs_fs_measure_sickness(mp, &sick, &checked);
|
|
for (m = fs_map; m->sick_mask; m++)
|
|
xfgeo_health_tick(geo, sick, checked, m);
|
|
|
|
xfs_rt_measure_sickness(mp, &sick, &checked);
|
|
for (m = rt_map; m->sick_mask; m++)
|
|
xfgeo_health_tick(geo, sick, checked, m);
|
|
}
|
|
|
|
static const struct ioctl_sick_map ag_map[] = {
|
|
{ XFS_SICK_AG_SB, XFS_AG_GEOM_SICK_SB },
|
|
{ XFS_SICK_AG_AGF, XFS_AG_GEOM_SICK_AGF },
|
|
{ XFS_SICK_AG_AGFL, XFS_AG_GEOM_SICK_AGFL },
|
|
{ XFS_SICK_AG_AGI, XFS_AG_GEOM_SICK_AGI },
|
|
{ XFS_SICK_AG_BNOBT, XFS_AG_GEOM_SICK_BNOBT },
|
|
{ XFS_SICK_AG_CNTBT, XFS_AG_GEOM_SICK_CNTBT },
|
|
{ XFS_SICK_AG_INOBT, XFS_AG_GEOM_SICK_INOBT },
|
|
{ XFS_SICK_AG_FINOBT, XFS_AG_GEOM_SICK_FINOBT },
|
|
{ XFS_SICK_AG_RMAPBT, XFS_AG_GEOM_SICK_RMAPBT },
|
|
{ XFS_SICK_AG_REFCNTBT, XFS_AG_GEOM_SICK_REFCNTBT },
|
|
{ 0, 0 },
|
|
};
|
|
|
|
/* Fill out ag geometry health info. */
|
|
void
|
|
xfs_ag_geom_health(
|
|
struct xfs_perag *pag,
|
|
struct xfs_ag_geometry *ageo)
|
|
{
|
|
const struct ioctl_sick_map *m;
|
|
unsigned int sick;
|
|
unsigned int checked;
|
|
|
|
ageo->ag_sick = 0;
|
|
ageo->ag_checked = 0;
|
|
|
|
xfs_ag_measure_sickness(pag, &sick, &checked);
|
|
for (m = ag_map; m->sick_mask; m++) {
|
|
if (checked & m->sick_mask)
|
|
ageo->ag_checked |= m->ioctl_mask;
|
|
if (sick & m->sick_mask)
|
|
ageo->ag_sick |= m->ioctl_mask;
|
|
}
|
|
}
|
|
|
|
static const struct ioctl_sick_map ino_map[] = {
|
|
{ XFS_SICK_INO_CORE, XFS_BS_SICK_INODE },
|
|
{ XFS_SICK_INO_BMBTD, XFS_BS_SICK_BMBTD },
|
|
{ XFS_SICK_INO_BMBTA, XFS_BS_SICK_BMBTA },
|
|
{ XFS_SICK_INO_BMBTC, XFS_BS_SICK_BMBTC },
|
|
{ XFS_SICK_INO_DIR, XFS_BS_SICK_DIR },
|
|
{ XFS_SICK_INO_XATTR, XFS_BS_SICK_XATTR },
|
|
{ XFS_SICK_INO_SYMLINK, XFS_BS_SICK_SYMLINK },
|
|
{ XFS_SICK_INO_PARENT, XFS_BS_SICK_PARENT },
|
|
{ 0, 0 },
|
|
};
|
|
|
|
/* Fill out bulkstat health info. */
|
|
void
|
|
xfs_bulkstat_health(
|
|
struct xfs_inode *ip,
|
|
struct xfs_bstat *bs)
|
|
{
|
|
const struct ioctl_sick_map *m;
|
|
unsigned int sick;
|
|
unsigned int checked;
|
|
|
|
bs->bs_sick = 0;
|
|
bs->bs_checked = 0;
|
|
|
|
xfs_inode_measure_sickness(ip, &sick, &checked);
|
|
for (m = ino_map; m->sick_mask; m++) {
|
|
if (checked & m->sick_mask)
|
|
bs->bs_checked |= m->ioctl_mask;
|
|
if (sick & m->sick_mask)
|
|
bs->bs_sick |= m->ioctl_mask;
|
|
}
|
|
}
|