Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2017 Oracle.  All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Author: Darrick J. Wong <darrick.wong@oracle.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include "xfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include "xfs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include "xfs_shared.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include "xfs_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include "xfs_trans_resv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include "xfs_mount.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "xfs_log_format.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include "xfs_trans.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include "xfs_inode.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include "xfs_quota.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include "xfs_qm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "scrub/scrub.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include "scrub/common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) /* Convert a scrub type code to a DQ flag, or return 0 if error. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) static inline xfs_dqtype_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) xchk_quota_to_dqtype(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	struct xfs_scrub	*sc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	switch (sc->sm->sm_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	case XFS_SCRUB_TYPE_UQUOTA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		return XFS_DQTYPE_USER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	case XFS_SCRUB_TYPE_GQUOTA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		return XFS_DQTYPE_GROUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	case XFS_SCRUB_TYPE_PQUOTA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		return XFS_DQTYPE_PROJ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) /* Set us up to scrub a quota. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) xchk_setup_quota(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	struct xfs_scrub	*sc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	struct xfs_inode	*ip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	xfs_dqtype_t		dqtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	int			error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	if (!XFS_IS_QUOTA_RUNNING(sc->mp) || !XFS_IS_QUOTA_ON(sc->mp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	dqtype = xchk_quota_to_dqtype(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	if (dqtype == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	sc->flags |= XCHK_HAS_QUOTAOFFLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	mutex_lock(&sc->mp->m_quotainfo->qi_quotaofflock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	if (!xfs_this_quota_on(sc->mp, dqtype))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	error = xchk_setup_fs(sc, ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	sc->ip = xfs_quota_inode(sc->mp, dqtype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	xfs_ilock(sc->ip, XFS_ILOCK_EXCL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	sc->ilock_flags = XFS_ILOCK_EXCL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) /* Quotas. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) struct xchk_quota_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	struct xfs_scrub	*sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	xfs_dqid_t		last_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) /* Scrub the fields in an individual quota item. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) xchk_quota_item(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	struct xfs_dquot	*dq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	xfs_dqtype_t		dqtype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	void			*priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	struct xchk_quota_info	*sqi = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	struct xfs_scrub	*sc = sqi->sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	struct xfs_mount	*mp = sc->mp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	struct xfs_quotainfo	*qi = mp->m_quotainfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	xfs_fileoff_t		offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	xfs_ino_t		fs_icount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	int			error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	if (xchk_should_terminate(sc, &error))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	 * Except for the root dquot, the actual dquot we got must either have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	 * the same or higher id as we saw before.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	offset = dq->q_id / qi->qi_dqperchunk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (dq->q_id && dq->q_id <= sqi->last_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	sqi->last_id = dq->q_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	 * Warn if the hard limits are larger than the fs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	 * Administrators can do this, though in production this seems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	 * suspect, which is why we flag it for review.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	 * Complain about corruption if the soft limit is greater than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	 * the hard limit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	if (dq->q_blk.hardlimit > mp->m_sb.sb_dblocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		xchk_fblock_set_warning(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	if (dq->q_blk.softlimit > dq->q_blk.hardlimit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	if (dq->q_ino.hardlimit > M_IGEO(mp)->maxicount)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		xchk_fblock_set_warning(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	if (dq->q_ino.softlimit > dq->q_ino.hardlimit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (dq->q_rtb.hardlimit > mp->m_sb.sb_rblocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		xchk_fblock_set_warning(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (dq->q_rtb.softlimit > dq->q_rtb.hardlimit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	/* Check the resource counts. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	fs_icount = percpu_counter_sum(&mp->m_icount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	 * Check that usage doesn't exceed physical limits.  However, on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	 * a reflink filesystem we're allowed to exceed physical space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	 * if there are no quota limits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	if (xfs_sb_version_hasreflink(&mp->m_sb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		if (mp->m_sb.sb_dblocks < dq->q_blk.count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			xchk_fblock_set_warning(sc, XFS_DATA_FORK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 					offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		if (mp->m_sb.sb_dblocks < dq->q_blk.count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 			xchk_fblock_set_corrupt(sc, XFS_DATA_FORK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 					offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	if (dq->q_ino.count > fs_icount || dq->q_rtb.count > mp->m_sb.sb_rblocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	 * We can violate the hard limits if the admin suddenly sets a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	 * lower limit than the actual usage.  However, we flag it for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	 * admin review.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	if (dq->q_id == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	if (dq->q_blk.hardlimit != 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	    dq->q_blk.count > dq->q_blk.hardlimit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		xchk_fblock_set_warning(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	if (dq->q_ino.hardlimit != 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	    dq->q_ino.count > dq->q_ino.hardlimit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		xchk_fblock_set_warning(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	if (dq->q_rtb.hardlimit != 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	    dq->q_rtb.count > dq->q_rtb.hardlimit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		xchk_fblock_set_warning(sc, XFS_DATA_FORK, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		return -EFSCORRUPTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /* Check the quota's data fork. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) STATIC int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) xchk_quota_data_fork(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	struct xfs_scrub	*sc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	struct xfs_bmbt_irec	irec = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	struct xfs_iext_cursor	icur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	struct xfs_quotainfo	*qi = sc->mp->m_quotainfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	struct xfs_ifork	*ifp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	xfs_fileoff_t		max_dqid_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	int			error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	/* Invoke the fork scrubber. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	error = xchk_metadata_inode_forks(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	/* Check for data fork problems that apply only to quota files. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	max_dqid_off = ((xfs_dqid_t)-1) / qi->qi_dqperchunk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	ifp = XFS_IFORK_PTR(sc->ip, XFS_DATA_FORK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	for_each_xfs_iext(ifp, &icur, &irec) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		if (xchk_should_terminate(sc, &error))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		 * delalloc extents or blocks mapped above the highest
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		 * quota id shouldn't happen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		if (isnullstartblock(irec.br_startblock) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		    irec.br_startoff > max_dqid_off ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		    irec.br_startoff + irec.br_blockcount - 1 > max_dqid_off) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 			xchk_fblock_set_corrupt(sc, XFS_DATA_FORK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 					irec.br_startoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* Scrub all of a quota type's items. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) xchk_quota(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	struct xfs_scrub	*sc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	struct xchk_quota_info	sqi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct xfs_mount	*mp = sc->mp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	struct xfs_quotainfo	*qi = mp->m_quotainfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	xfs_dqtype_t		dqtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	int			error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	dqtype = xchk_quota_to_dqtype(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	/* Look for problem extents. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	error = xchk_quota_data_fork(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	 * Check all the quota items.  Now that we've checked the quota inode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	 * data fork we have to drop ILOCK_EXCL to use the regular dquot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	 * functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	xfs_iunlock(sc->ip, sc->ilock_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	sc->ilock_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	sqi.sc = sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	sqi.last_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	error = xfs_qm_dqiterate(mp, dqtype, xchk_quota_item, &sqi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	sc->ilock_flags = XFS_ILOCK_EXCL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	xfs_ilock(sc->ip, sc->ilock_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	if (!xchk_fblock_process_error(sc, XFS_DATA_FORK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 			sqi.last_id * qi->qi_dqperchunk, &error))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }