/* * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it would be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * Further, this software is distributed without any warranty that it is * free of the rightful claim of any third person regarding infringement * or the like. Any license provided herein, whether implied or * otherwise, applies only to this software file. Patent licenses, if * any, provided herein do not apply to combinations of this program with * other software, or any other product whatsoever. * * You should have received a copy of the GNU General Public License along * with this program; if not, write the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston MA 02111-1307, USA. * * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, * Mountain View, CA 94043, or: * * http://www.sgi.com * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ */ #include "xfs.h" #include "xfs_fs.h" #include "xfs_inum.h" #include "xfs_log.h" #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" #include "xfs_quota.h" #include "xfs_mount.h" #include "xfs_alloc_btree.h" #include "xfs_bmap_btree.h" #include "xfs_ialloc_btree.h" #include "xfs_btree.h" #include "xfs_ialloc.h" #include "xfs_attr_sf.h" #include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_bmap.h" #include "xfs_bit.h" #include "xfs_rtalloc.h" #include "xfs_error.h" #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" #include "xfs_cap.h" #include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_utils.h" #include "xfs_qm.h" #ifdef DEBUG # define qdprintk(s, args...) cmn_err(CE_DEBUG, s, ## args) #else # define qdprintk(s, args...) do { } while (0) #endif STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, fs_disk_quota_t *); STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, fs_disk_quota_t *); STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint); STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t); STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, uint); STATIC uint xfs_qm_import_flags(uint); STATIC uint xfs_qm_export_flags(uint); STATIC uint xfs_qm_import_qtype_flags(uint); STATIC uint xfs_qm_export_qtype_flags(uint); STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, fs_disk_quota_t *); /* * The main distribution switch of all XFS quotactl system calls. */ int xfs_qm_quotactl( struct bhv_desc *bdp, int cmd, int id, xfs_caddr_t addr) { xfs_mount_t *mp; int error; struct vfs *vfsp; vfsp = bhvtovfs(bdp); mp = XFS_VFSTOM(vfsp); if (addr == NULL && cmd != Q_SYNC) return XFS_ERROR(EINVAL); if (id < 0 && cmd != Q_SYNC) return XFS_ERROR(EINVAL); /* * The following commands are valid even when quotaoff. */ switch (cmd) { /* * truncate quota files. quota must be off. */ case Q_XQUOTARM: if (XFS_IS_QUOTA_ON(mp) || addr == NULL) return XFS_ERROR(EINVAL); if (vfsp->vfs_flag & VFS_RDONLY) return XFS_ERROR(EROFS); return (xfs_qm_scall_trunc_qfiles(mp, xfs_qm_import_qtype_flags(*(uint *)addr))); /* * Get quota status information. */ case Q_XGETQSTAT: return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); /* * QUOTAON for root f/s and quota enforcement on others.. * Quota accounting for non-root f/s's must be turned on * at mount time. */ case Q_XQUOTAON: if (addr == NULL) return XFS_ERROR(EINVAL); if (vfsp->vfs_flag & VFS_RDONLY) return XFS_ERROR(EROFS); return (xfs_qm_scall_quotaon(mp, xfs_qm_import_flags(*(uint *)addr))); case Q_XQUOTAOFF: if (vfsp->vfs_flag & VFS_RDONLY) return XFS_ERROR(EROFS); break; default: break; } if (! XFS_IS_QUOTA_ON(mp)) return XFS_ERROR(ESRCH); switch (cmd) { case Q_XQUOTAOFF: if (vfsp->vfs_flag & VFS_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_quotaoff(mp, xfs_qm_import_flags(*(uint *)addr), B_FALSE); break; /* * Defaults to XFS_GETUQUOTA. */ case Q_XGETQUOTA: error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, (fs_disk_quota_t *)addr); break; /* * Set limits, both hard and soft. Defaults to Q_SETUQLIM. */ case Q_XSETQLIM: if (vfsp->vfs_flag & VFS_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, (fs_disk_quota_t *)addr); break; case Q_XSETGQLIM: if (vfsp->vfs_flag & VFS_RDONLY) return XFS_ERROR(EROFS); error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, (fs_disk_quota_t *)addr); break; case Q_XGETGQUOTA: error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, (fs_disk_quota_t *)addr); break; /* * Quotas are entirely undefined after quotaoff in XFS quotas. * For instance, there's no way to set limits when quotaoff. */ default: error = XFS_ERROR(EINVAL); break; } return (error); } /* * Turn off quota accounting and/or enforcement for all udquots and/or * gdquots. Called only at unmount time. * * This assumes that there are no dquots of this file system cached * incore, and modifies the ondisk dquot directly. Therefore, for example, * it is an error to call this twice, without purging the cache. */ STATIC int xfs_qm_scall_quotaoff( xfs_mount_t *mp, uint flags, boolean_t force) { uint dqtype; unsigned long s; int error; uint inactivate_flags; xfs_qoff_logitem_t *qoffstart; int nculprits; if (!force && !capable(CAP_SYS_ADMIN)) return XFS_ERROR(EPERM); /* * No file system can have quotas enabled on disk but not in core. * Note that quota utilities (like quotaoff) _expect_ * errno == EEXIST here. */ if ((mp->m_qflags & flags) == 0) return XFS_ERROR(EEXIST); error = 0; flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); /* * We don't want to deal with two quotaoffs messing up each other, * so we're going to serialize it. quotaoff isn't exactly a performance * critical thing. * If quotaoff, then we must be dealing with the root filesystem. */ ASSERT(mp->m_quotainfo); if (mp->m_quotainfo) mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); ASSERT(mp->m_quotainfo); /* * If we're just turning off quota enforcement, change mp and go. */ if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { mp->m_qflags &= ~(flags); s = XFS_SB_LOCK(mp); mp->m_sb.sb_qflags = mp->m_qflags; XFS_SB_UNLOCK(mp, s); mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); /* XXX what to do if error ? Revert back to old vals incore ? */ error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); return (error); } dqtype = 0; inactivate_flags = 0; /* * If accounting is off, we must turn enforcement off, clear the * quota 'CHKD' certificate to make it known that we have to * do a quotacheck the next time this quota is turned on. */ if (flags & XFS_UQUOTA_ACCT) { dqtype |= XFS_QMOPT_UQUOTA; flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); inactivate_flags |= XFS_UQUOTA_ACTIVE; } if (flags & XFS_GQUOTA_ACCT) { dqtype |= XFS_QMOPT_GQUOTA; flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD); inactivate_flags |= XFS_GQUOTA_ACTIVE; } /* * Nothing to do? Don't complain. This happens when we're just * turning off quota enforcement. */ if ((mp->m_qflags & flags) == 0) { mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); return (0); } /* * Write the LI_QUOTAOFF log record, and do SB changes atomically, * and synchronously. */ xfs_qm_log_quotaoff(mp, &qoffstart, flags); /* * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct * to take care of the race between dqget and quotaoff. We don't take * any special locks to reset these bits. All processes need to check * these bits *after* taking inode lock(s) to see if the particular * quota type is in the process of being turned off. If *ACTIVE, it is * guaranteed that all dquot structures and all quotainode ptrs will all * stay valid as long as that inode is kept locked. * * There is no turning back after this. */ mp->m_qflags &= ~inactivate_flags; /* * Give back all the dquot reference(s) held by inodes. * Here we go thru every single incore inode in this file system, and * do a dqrele on the i_udquot/i_gdquot that it may have. * Essentially, as long as somebody has an inode locked, this guarantees * that quotas will not be turned off. This is handy because in a * transaction once we lock the inode(s) and check for quotaon, we can * depend on the quota inodes (and other things) being valid as long as * we keep the lock(s). */ xfs_qm_dqrele_all_inodes(mp, flags); /* * Next we make the changes in the quota flag in the mount struct. * This isn't protected by a particular lock directly, because we * don't want to take a mrlock everytime we depend on quotas being on. */ mp->m_qflags &= ~(flags); /* * Go through all the dquots of this file system and purge them, * according to what was turned off. We may not be able to get rid * of all dquots, because dquots can have temporary references that * are not attached to inodes. eg. xfs_setattr, xfs_create. * So, if we couldn't purge all the dquots from the filesystem, * we can't get rid of the incore data structures. */ while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF))) delay(10 * nculprits); /* * Transactions that had started before ACTIVE state bit was cleared * could have logged many dquots, so they'd have higher LSNs than * the first QUOTAOFF log record does. If we happen to crash when * the tail of the log has gone past the QUOTAOFF record, but * before the last dquot modification, those dquots __will__ * recover, and that's not good. * * So, we have QUOTAOFF start and end logitems; the start * logitem won't get overwritten until the end logitem appears... */ xfs_qm_log_quotaoff_end(mp, qoffstart, flags); /* * If quotas is completely disabled, close shop. */ if ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_ALL) { mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); xfs_qm_destroy_quotainfo(mp); return (0); } /* * Release our quotainode references, and vn_purge them, * if we don't need them anymore. */ if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) { XFS_PURGE_INODE(XFS_QI_UQIP(mp)); XFS_QI_UQIP(mp) = NULL; } if ((dqtype & XFS_QMOPT_GQUOTA) && XFS_QI_GQIP(mp)) { XFS_PURGE_INODE(XFS_QI_GQIP(mp)); XFS_QI_GQIP(mp) = NULL; } mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); return (error); } STATIC int xfs_qm_scall_trunc_qfiles( xfs_mount_t *mp, uint flags) { int error; xfs_inode_t *qip; if (!capable(CAP_SYS_ADMIN)) return XFS_ERROR(EPERM); error = 0; if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) { qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); return XFS_ERROR(EINVAL); } if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); if (! error) { (void) xfs_truncate_file(mp, qip); VN_RELE(XFS_ITOV(qip)); } } if ((flags & XFS_DQ_GROUP) && mp->m_sb.sb_gquotino != NULLFSINO) { error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); if (! error) { (void) xfs_truncate_file(mp, qip); VN_RELE(XFS_ITOV(qip)); } } return (error); } /* * Switch on (a given) quota enforcement for a filesystem. This takes * effect immediately. * (Switching on quota accounting must be done at mount time.) */ STATIC int xfs_qm_scall_quotaon( xfs_mount_t *mp, uint flags) { int error; unsigned long s; uint qf; uint accflags; __int64_t sbflags; if (!capable(CAP_SYS_ADMIN)) return XFS_ERROR(EPERM); flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); /* * Switching on quota accounting must be done at mount time. */ accflags = flags & XFS_ALL_QUOTA_ACCT; flags &= ~(XFS_ALL_QUOTA_ACCT); sbflags = 0; if (flags == 0) { qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags); return XFS_ERROR(EINVAL); } /* No fs can turn on quotas with a delayed effect */ ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); /* * Can't enforce without accounting. We check the superblock * qflags here instead of m_qflags because rootfs can have * quota acct on ondisk without m_qflags' knowing. */ if (((flags & XFS_UQUOTA_ACCT) == 0 && (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && (flags & XFS_UQUOTA_ENFD)) || ((flags & XFS_GQUOTA_ACCT) == 0 && (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && (flags & XFS_GQUOTA_ENFD))) { qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n", flags, mp->m_sb.sb_qflags); return XFS_ERROR(EINVAL); } /* * If everything's upto-date incore, then don't waste time. */ if ((mp->m_qflags & flags) == flags) return XFS_ERROR(EEXIST); /* * Change sb_qflags on disk but not incore mp->qflags * if this is the root filesystem. */ s = XFS_SB_LOCK(mp); qf = mp->m_sb.sb_qflags; mp->m_sb.sb_qflags = qf | flags; XFS_SB_UNLOCK(mp, s); /* * There's nothing to change if it's the same. */ if ((qf & flags) == flags && sbflags == 0) return XFS_ERROR(EEXIST); sbflags |= XFS_SB_QFLAGS; if ((error = xfs_qm_write_sb_changes(mp, sbflags))) return (error); /* * If we aren't trying to switch on quota enforcement, we are done. */ if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != (mp->m_qflags & XFS_UQUOTA_ACCT)) || (flags & XFS_ALL_QUOTA_ENFD) == 0) return (0); if (! XFS_IS_QUOTA_RUNNING(mp)) return XFS_ERROR(ESRCH); /* * Switch on quota enforcement in core. */ mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); return (0); } /* * Return quota status information, such as uquota-off, enforcements, etc. */ STATIC int xfs_qm_scall_getqstat( xfs_mount_t *mp, fs_quota_stat_t *out) { xfs_inode_t *uip, *gip; boolean_t tempuqip, tempgqip; uip = gip = NULL; tempuqip = tempgqip = B_FALSE; memset(out, 0, sizeof(fs_quota_stat_t)); out->qs_version = FS_QSTAT_VERSION; if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) { out->qs_uquota.qfs_ino = NULLFSINO; out->qs_gquota.qfs_ino = NULLFSINO; return (0); } out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & (XFS_ALL_QUOTA_ACCT| XFS_ALL_QUOTA_ENFD)); out->qs_pad = 0; out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; if (mp->m_quotainfo) { uip = mp->m_quotainfo->qi_uquotaip; gip = mp->m_quotainfo->qi_gquotaip; } if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &uip, 0) == 0) tempuqip = B_TRUE; } if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &gip, 0) == 0) tempgqip = B_TRUE; } if (uip) { out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; if (tempuqip) VN_RELE(XFS_ITOV(uip)); } if (gip) { out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; if (tempgqip) VN_RELE(XFS_ITOV(gip)); } if (mp->m_quotainfo) { out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp); out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp); } return (0); } /* * Adjust quota limits, and start/stop timers accordingly. */ STATIC int xfs_qm_scall_setqlim( xfs_mount_t *mp, xfs_dqid_t id, uint type, fs_disk_quota_t *newlim) { xfs_disk_dquot_t *ddq; xfs_dquot_t *dqp; xfs_trans_t *tp; int error; xfs_qcnt_t hard, soft; if (!capable(CAP_SYS_ADMIN)) return XFS_ERROR(EPERM); if ((newlim->d_fieldmask & (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK)) == 0) return (0); tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, 0, 0, XFS_DEFAULT_LOG_COUNT))) { xfs_trans_cancel(tp, 0); return (error); } /* * We don't want to race with a quotaoff so take the quotaoff lock. * (We don't hold an inode lock, so there's nothing else to stop * a quotaoff from happening). (XXXThis doesn't currently happen * because we take the vfslock before calling xfs_qm_sysent). */ mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); /* * Get the dquot (locked), and join it to the transaction. * Allocate the dquot if this doesn't exist. */ if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { xfs_trans_cancel(tp, XFS_TRANS_ABORT); mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); ASSERT(error != ENOENT); return (error); } xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET"); xfs_trans_dqjoin(tp, dqp); ddq = &dqp->q_core; /* * Make sure that hardlimits are >= soft limits before changing. */ hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : INT_GET(ddq->d_blk_hardlimit, ARCH_CONVERT); soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : INT_GET(ddq->d_blk_softlimit, ARCH_CONVERT); if (hard == 0 || hard >= soft) { INT_SET(ddq->d_blk_hardlimit, ARCH_CONVERT, hard); INT_SET(ddq->d_blk_softlimit, ARCH_CONVERT, soft); if (id == 0) { mp->m_quotainfo->qi_bhardlimit = hard; mp->m_quotainfo->qi_bsoftlimit = soft; } } else { qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft); } hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : INT_GET(ddq->d_rtb_hardlimit, ARCH_CONVERT); soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : INT_GET(ddq->d_rtb_softlimit, ARCH_CONVERT); if (hard == 0 || hard >= soft) { INT_SET(ddq->d_rtb_hardlimit, ARCH_CONVERT, hard); INT_SET(ddq->d_rtb_softlimit, ARCH_CONVERT, soft); if (id == 0) { mp->m_quotainfo->qi_rtbhardlimit = hard; mp->m_quotainfo->qi_rtbsoftlimit = soft; } } else { qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft); } hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? (xfs_qcnt_t) newlim->d_ino_hardlimit : INT_GET(ddq->d_ino_hardlimit, ARCH_CONVERT); soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? (xfs_qcnt_t) newlim->d_ino_softlimit : INT_GET(ddq->d_ino_softlimit, ARCH_CONVERT); if (hard == 0 || hard >= soft) { INT_SET(ddq->d_ino_hardlimit, ARCH_CONVERT, hard); INT_SET(ddq->d_ino_softlimit, ARCH_CONVERT, soft); if (id == 0) { mp->m_quotainfo->qi_ihardlimit = hard; mp->m_quotainfo->qi_isoftlimit = soft; } } else { qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); } if (id == 0) { /* * Timelimits for the super user set the relative time * the other users can be over quota for this file system. * If it is zero a default is used. Ditto for the default * soft and hard limit values (already done, above). */ if (newlim->d_fieldmask & FS_DQ_BTIMER) { mp->m_quotainfo->qi_btimelimit = newlim->d_btimer; INT_SET(ddq->d_btimer, ARCH_CONVERT, newlim->d_btimer); } if (newlim->d_fieldmask & FS_DQ_ITIMER) { mp->m_quotainfo->qi_itimelimit = newlim->d_itimer; INT_SET(ddq->d_itimer, ARCH_CONVERT, newlim->d_itimer); } if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer; INT_SET(ddq->d_rtbtimer, ARCH_CONVERT, newlim->d_rtbtimer); } } else /* if (XFS_IS_QUOTA_ENFORCED(mp)) */ { /* * If the user is now over quota, start the timelimit. * The user will not be 'warned'. * Note that we keep the timers ticking, whether enforcement * is on or off. We don't really want to bother with iterating * over all ondisk dquots and turning the timers on/off. */ xfs_qm_adjust_dqtimers(mp, ddq); } dqp->dq_flags |= XFS_DQ_DIRTY; xfs_trans_log_dquot(tp, dqp); xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT"); xfs_trans_commit(tp, 0, NULL); xfs_qm_dqprint(dqp); xfs_qm_dqrele(dqp); mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); return (0); } STATIC int xfs_qm_scall_getquota( xfs_mount_t *mp, xfs_dqid_t id, uint type, fs_disk_quota_t *out) { xfs_dquot_t *dqp; int error; /* * Try to get the dquot. We don't want it allocated on disk, so * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't * exist, we'll get ENOENT back. */ if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { return (error); } xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS"); /* * If everything's NULL, this dquot doesn't quite exist as far as * our utility programs are concerned. */ if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { xfs_qm_dqput(dqp); return XFS_ERROR(ENOENT); } /* xfs_qm_dqprint(dqp); */ /* * Convert the disk dquot to the exportable format */ xfs_qm_export_dquot(mp, &dqp->q_core, out); xfs_qm_dqput(dqp); return (error ? XFS_ERROR(EFAULT) : 0); } STATIC int xfs_qm_log_quotaoff_end( xfs_mount_t *mp, xfs_qoff_logitem_t *startqoff, uint flags) { xfs_trans_t *tp; int error; xfs_qoff_logitem_t *qoffi; tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, 0, 0, XFS_DEFAULT_LOG_COUNT))) { xfs_trans_cancel(tp, 0); return (error); } qoffi = xfs_trans_get_qoff_item(tp, startqoff, flags & XFS_ALL_QUOTA_ACCT); xfs_trans_log_quotaoff_item(tp, qoffi); /* * We have to make sure that the transaction is secure on disk before we * return and actually stop quota accounting. So, make it synchronous. * We don't care about quotoff's performance. */ xfs_trans_set_sync(tp); error = xfs_trans_commit(tp, 0, NULL); return (error); } STATIC int xfs_qm_log_quotaoff( xfs_mount_t *mp, xfs_qoff_logitem_t **qoffstartp, uint flags) { xfs_trans_t *tp; int error; unsigned long s; xfs_qoff_logitem_t *qoffi=NULL; uint oldsbqflag=0; tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2 + mp->m_sb.sb_sectsize + 128, 0, 0, XFS_DEFAULT_LOG_COUNT))) { goto error0; } qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); xfs_trans_log_quotaoff_item(tp, qoffi); s = XFS_SB_LOCK(mp); oldsbqflag = mp->m_sb.sb_qflags; mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; XFS_SB_UNLOCK(mp, s); xfs_mod_sb(tp, XFS_SB_QFLAGS); /* * We have to make sure that the transaction is secure on disk before we * return and actually stop quota accounting. So, make it synchronous. * We don't care about quotoff's performance. */ xfs_trans_set_sync(tp); error = xfs_trans_commit(tp, 0, NULL); error0: if (error) { xfs_trans_cancel(tp, 0); /* * No one else is modifying sb_qflags, so this is OK. * We still hold the quotaofflock. */ s = XFS_SB_LOCK(mp); mp->m_sb.sb_qflags = oldsbqflag; XFS_SB_UNLOCK(mp, s); } *qoffstartp = qoffi; return (error); } /* * Translate an internal style on-disk-dquot to the exportable format. * The main differences are that the counters/limits are all in Basic * Blocks (BBs) instead of the internal FSBs, and all on-disk data has * to be converted to the native endianness. */ STATIC void xfs_qm_export_dquot( xfs_mount_t *mp, xfs_disk_dquot_t *src, struct fs_disk_quota *dst) { memset(dst, 0, sizeof(*dst)); dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ dst->d_flags = xfs_qm_export_qtype_flags(INT_GET(src->d_flags, ARCH_CONVERT)); dst->d_id = INT_GET(src->d_id, ARCH_CONVERT); dst->d_blk_hardlimit = (__uint64_t) XFS_FSB_TO_BB(mp, INT_GET(src->d_blk_hardlimit, ARCH_CONVERT)); dst->d_blk_softlimit = (__uint64_t) XFS_FSB_TO_BB(mp, INT_GET(src->d_blk_softlimit, ARCH_CONVERT)); dst->d_ino_hardlimit = (__uint64_t) INT_GET(src->d_ino_hardlimit, ARCH_CONVERT); dst->d_ino_softlimit = (__uint64_t) INT_GET(src->d_ino_softlimit, ARCH_CONVERT); dst->d_bcount = (__uint64_t) XFS_FSB_TO_BB(mp, INT_GET(src->d_bcount, ARCH_CONVERT)); dst->d_icount = (__uint64_t) INT_GET(src->d_icount, ARCH_CONVERT); dst->d_btimer = (__uint32_t) INT_GET(src->d_btimer, ARCH_CONVERT); dst->d_itimer = (__uint32_t) INT_GET(src->d_itimer, ARCH_CONVERT); dst->d_iwarns = INT_GET(src->d_iwarns, ARCH_CONVERT); dst->d_bwarns = INT_GET(src->d_bwarns, ARCH_CONVERT); dst->d_rtb_hardlimit = (__uint64_t) XFS_FSB_TO_BB(mp, INT_GET(src->d_rtb_hardlimit, ARCH_CONVERT)); dst->d_rtb_softlimit = (__uint64_t) XFS_FSB_TO_BB(mp, INT_GET(src->d_rtb_softlimit, ARCH_CONVERT)); dst->d_rtbcount = (__uint64_t) XFS_FSB_TO_BB(mp, INT_GET(src->d_rtbcount, ARCH_CONVERT)); dst->d_rtbtimer = (__uint32_t) INT_GET(src->d_rtbtimer, ARCH_CONVERT); dst->d_rtbwarns = INT_GET(src->d_rtbwarns, ARCH_CONVERT); /* * Internally, we don't reset all the timers when quota enforcement * gets turned off. No need to confuse the userlevel code, * so return zeroes in that case. */ if (! XFS_IS_QUOTA_ENFORCED(mp)) { dst->d_btimer = 0; dst->d_itimer = 0; dst->d_rtbtimer = 0; } #ifdef DEBUG if (XFS_IS_QUOTA_ENFORCED(mp) && dst->d_id != 0) { if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) && (dst->d_blk_softlimit > 0)) { ASSERT(dst->d_btimer != 0); } if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) && (dst->d_ino_softlimit > 0)) { ASSERT(dst->d_itimer != 0); } } #endif } STATIC uint xfs_qm_import_qtype_flags( uint uflags) { /* * Can't be both at the same time. */ if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || ((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == 0)) return (0); return (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : XFS_DQ_GROUP; } STATIC uint xfs_qm_export_qtype_flags( uint flags) { /* * Can't be both at the same time. */ ASSERT((flags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) != (XFS_GROUP_QUOTA | XFS_USER_QUOTA)); ASSERT((flags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) != 0); return (flags & XFS_DQ_USER) ? XFS_USER_QUOTA : XFS_GROUP_QUOTA; } STATIC uint xfs_qm_import_flags( uint uflags) { uint flags = 0; if (uflags & XFS_QUOTA_UDQ_ACCT) flags |= XFS_UQUOTA_ACCT; if (uflags & XFS_QUOTA_GDQ_ACCT) flags |= XFS_GQUOTA_ACCT; if (uflags & XFS_QUOTA_UDQ_ENFD) flags |= XFS_UQUOTA_ENFD; if (uflags & XFS_QUOTA_GDQ_ENFD) flags |= XFS_GQUOTA_ENFD; return (flags); } STATIC uint xfs_qm_export_flags( uint flags) { uint uflags; uflags = 0; if (flags & XFS_UQUOTA_ACCT) uflags |= XFS_QUOTA_UDQ_ACCT; if (flags & XFS_GQUOTA_ACCT) uflags |= XFS_QUOTA_GDQ_ACCT; if (flags & XFS_UQUOTA_ENFD) uflags |= XFS_QUOTA_UDQ_ENFD; if (flags & XFS_GQUOTA_ENFD) uflags |= XFS_QUOTA_GDQ_ENFD; return (uflags); } /* * Go thru all the inodes in the file system, releasing their dquots. * Note that the mount structure gets modified to indicate that quotas are off * AFTER this, in the case of quotaoff. This also gets called from * xfs_rootumount. */ void xfs_qm_dqrele_all_inodes( struct xfs_mount *mp, uint flags) { vmap_t vmap; xfs_inode_t *ip, *topino; uint ireclaims; vnode_t *vp; boolean_t vnode_refd; ASSERT(mp->m_quotainfo); again: XFS_MOUNT_ILOCK(mp); ip = mp->m_inodes; if (ip == NULL) { XFS_MOUNT_IUNLOCK(mp); return; } do { /* Skip markers inserted by xfs_sync */ if (ip->i_mount == NULL) { ip = ip->i_mnext; continue; } /* Root inode, rbmip and rsumip have associated blocks */ if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) { ASSERT(ip->i_udquot == NULL); ASSERT(ip->i_gdquot == NULL); ip = ip->i_mnext; continue; } vp = XFS_ITOV_NULL(ip); if (!vp) { ASSERT(ip->i_udquot == NULL); ASSERT(ip->i_gdquot == NULL); ip = ip->i_mnext; continue; } vnode_refd = B_FALSE; if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) { /* * Sample vp mapping while holding the mplock, lest * we come across a non-existent vnode. */ VMAP(vp, vmap); ireclaims = mp->m_ireclaims; topino = mp->m_inodes; XFS_MOUNT_IUNLOCK(mp); /* XXX restart limit ? */ if ( ! (vp = vn_get(vp, &vmap))) goto again; xfs_ilock(ip, XFS_ILOCK_EXCL); vnode_refd = B_TRUE; } else { ireclaims = mp->m_ireclaims; topino = mp->m_inodes; XFS_MOUNT_IUNLOCK(mp); } /* * We don't keep the mountlock across the dqrele() call, * since it can take a while.. */ if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { xfs_qm_dqrele(ip->i_udquot); ip->i_udquot = NULL; } if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) { xfs_qm_dqrele(ip->i_gdquot); ip->i_gdquot = NULL; } xfs_iunlock(ip, XFS_ILOCK_EXCL); /* * Wait until we've dropped the ilock and mountlock to * do the vn_rele. Or be condemned to an eternity in the * inactive code in hell. */ if (vnode_refd) VN_RELE(vp); XFS_MOUNT_ILOCK(mp); /* * If an inode was inserted or removed, we gotta * start over again. */ if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) { /* XXX use a sentinel */ XFS_MOUNT_IUNLOCK(mp); goto again; } ip = ip->i_mnext; } while (ip != mp->m_inodes); XFS_MOUNT_IUNLOCK(mp); } /*------------------------------------------------------------------------*/ #ifdef DEBUG /* * This contains all the test functions for XFS disk quotas. * Currently it does a quota accounting check. ie. it walks through * all inodes in the file system, calculating the dquot accounting fields, * and prints out any inconsistencies. */ xfs_dqhash_t *qmtest_udqtab; xfs_dqhash_t *qmtest_gdqtab; int qmtest_hashmask; int qmtest_nfails; mutex_t qcheck_lock; #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ (__psunsigned_t)(id)) & \ (qmtest_hashmask - 1)) #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ (qmtest_udqtab + \ DQTEST_HASHVAL(mp, id)) : \ (qmtest_gdqtab + \ DQTEST_HASHVAL(mp, id))) #define DQTEST_LIST_PRINT(l, NXT, title) \ { \ xfs_dqtest_t *dqp; int i = 0;\ cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ dqp = (xfs_dqtest_t *)dqp->NXT) { \ cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ dqp->d_bcount, dqp->d_icount); } \ } typedef struct dqtest { xfs_dqmarker_t q_lists; xfs_dqhash_t *q_hash; /* the hashchain header */ xfs_mount_t *q_mount; /* filesystem this relates to */ xfs_dqid_t d_id; /* user id or group id */ xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ xfs_qcnt_t d_icount; /* # inodes owned by the user */ } xfs_dqtest_t; STATIC void xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) { xfs_dquot_t *d; if (((d) = (h)->qh_next)) (d)->HL_PREVP = &((dqp)->HL_NEXT); (dqp)->HL_NEXT = d; (dqp)->HL_PREVP = &((h)->qh_next); (h)->qh_next = (xfs_dquot_t *)dqp; (h)->qh_version++; (h)->qh_nelems++; } STATIC void xfs_qm_dqtest_print( xfs_dqtest_t *d) { cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------"); cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id); cmn_err(CE_DEBUG, "---- type = %s", XFS_QM_ISUDQ(d)? "USR" : "GRP"); cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount); cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)", d->d_bcount, (int)d->d_bcount); cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)", d->d_icount, (int)d->d_icount); cmn_err(CE_DEBUG, "---------------------------"); } STATIC void xfs_qm_dqtest_failed( xfs_dqtest_t *d, xfs_dquot_t *dqp, char *reason, xfs_qcnt_t a, xfs_qcnt_t b, int error) { qmtest_nfails++; if (error) cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s", INT_GET(d->d_id, ARCH_CONVERT), error, reason); else cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", INT_GET(d->d_id, ARCH_CONVERT), reason, (int)a, (int)b); xfs_qm_dqtest_print(d); if (dqp) xfs_qm_dqprint(dqp); } STATIC int xfs_dqtest_cmp2( xfs_dqtest_t *d, xfs_dquot_t *dqp) { int err = 0; if (INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) != d->d_icount) { xfs_qm_dqtest_failed(d, dqp, "icount mismatch", INT_GET(dqp->q_core.d_icount, ARCH_CONVERT), d->d_icount, 0); err++; } if (INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT) != d->d_bcount) { xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT), d->d_bcount, 0); err++; } if (INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT) && INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT) >= INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT)) { if (INT_ISZERO(dqp->q_core.d_btimer, ARCH_CONVERT) && !INT_ISZERO(dqp->q_core.d_id, ARCH_CONVERT)) { cmn_err(CE_DEBUG, "%d [%s] [0x%p] BLK TIMER NOT STARTED", d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); err++; } } if (INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT) && INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT)) { if (INT_ISZERO(dqp->q_core.d_itimer, ARCH_CONVERT) && !INT_ISZERO(dqp->q_core.d_id, ARCH_CONVERT)) { cmn_err(CE_DEBUG, "%d [%s] [0x%p] INO TIMER NOT STARTED", d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); err++; } } #ifdef QUOTADEBUG if (!err) { cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked", d->d_id, XFS_QM_ISUDQ(d) ? "USR" : "GRP", d->q_mount); } #endif return (err); } STATIC void xfs_dqtest_cmp( xfs_dqtest_t *d) { xfs_dquot_t *dqp; int error; /* xfs_qm_dqtest_print(d); */ if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, &dqp))) { xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); return; } xfs_dqtest_cmp2(d, dqp); xfs_qm_dqput(dqp); } STATIC int xfs_qm_internalqcheck_dqget( xfs_mount_t *mp, xfs_dqid_t id, uint type, xfs_dqtest_t **O_dq) { xfs_dqtest_t *d; xfs_dqhash_t *h; h = DQTEST_HASH(mp, id, type); for (d = (xfs_dqtest_t *) h->qh_next; d != NULL; d = (xfs_dqtest_t *) d->HL_NEXT) { /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */ if (d->d_id == id && mp == d->q_mount) { *O_dq = d; return (0); } } d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); d->dq_flags = type; d->d_id = id; d->q_mount = mp; d->q_hash = h; xfs_qm_hashinsert(h, d); *O_dq = d; return (0); } STATIC void xfs_qm_internalqcheck_get_dquots( xfs_mount_t *mp, xfs_dqid_t uid, xfs_dqid_t gid, xfs_dqtest_t **ud, xfs_dqtest_t **gd) { if (XFS_IS_UQUOTA_ON(mp)) xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); if (XFS_IS_GQUOTA_ON(mp)) xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); } STATIC void xfs_qm_internalqcheck_dqadjust( xfs_inode_t *ip, xfs_dqtest_t *d) { d->d_icount++; d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; } STATIC int xfs_qm_internalqcheck_adjust( xfs_mount_t *mp, /* mount point for filesystem */ xfs_ino_t ino, /* inode number to get data for */ void __user *buffer, /* not used */ int ubsize, /* not used */ void *private_data, /* not used */ xfs_daddr_t bno, /* starting block of inode cluster */ int *ubused, /* not used */ void *dip, /* not used */ int *res) /* bulkstat result code */ { xfs_inode_t *ip; xfs_dqtest_t *ud, *gd; uint lock_flags; boolean_t ipreleased; int error; ASSERT(XFS_IS_QUOTA_RUNNING(mp)); if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { *res = BULKSTAT_RV_NOTHING; qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n", (unsigned long long) ino, (unsigned long long) mp->m_sb.sb_uquotino, (unsigned long long) mp->m_sb.sb_gquotino); return XFS_ERROR(EINVAL); } ipreleased = B_FALSE; again: lock_flags = XFS_ILOCK_SHARED; if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { *res = BULKSTAT_RV_NOTHING; return (error); } if (ip->i_d.di_mode == 0) { xfs_iput_new(ip, lock_flags); *res = BULKSTAT_RV_NOTHING; return XFS_ERROR(ENOENT); } /* * This inode can have blocks after eof which can get released * when we send it to inactive. Since we don't check the dquot * until the after all our calculations are done, we must get rid * of those now. */ if (! ipreleased) { xfs_iput(ip, lock_flags); ipreleased = B_TRUE; goto again; } xfs_qm_internalqcheck_get_dquots(mp, (xfs_dqid_t) ip->i_d.di_uid, (xfs_dqid_t) ip->i_d.di_gid, &ud, &gd); if (XFS_IS_UQUOTA_ON(mp)) { ASSERT(ud); xfs_qm_internalqcheck_dqadjust(ip, ud); } if (XFS_IS_GQUOTA_ON(mp)) { ASSERT(gd); xfs_qm_internalqcheck_dqadjust(ip, gd); } xfs_iput(ip, lock_flags); *res = BULKSTAT_RV_DIDONE; return (0); } /* PRIVATE, debugging */ int xfs_qm_internalqcheck( xfs_mount_t *mp) { xfs_ino_t lastino; int done, count; int i; xfs_dqtest_t *d, *e; xfs_dqhash_t *h1; int error; lastino = 0; qmtest_hashmask = 32; count = 5; done = 0; qmtest_nfails = 0; if (! XFS_IS_QUOTA_ON(mp)) return XFS_ERROR(ESRCH); xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); XFS_bflush(mp->m_ddev_targp); xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); XFS_bflush(mp->m_ddev_targp); mutex_lock(&qcheck_lock, PINOD); /* There should be absolutely no quota activity while this is going on. */ qmtest_udqtab = kmem_zalloc(qmtest_hashmask * sizeof(xfs_dqhash_t), KM_SLEEP); qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * sizeof(xfs_dqhash_t), KM_SLEEP); do { /* * Iterate thru all the inodes in the file system, * adjusting the corresponding dquot counters */ if ((error = xfs_bulkstat(mp, &lastino, &count, xfs_qm_internalqcheck_adjust, NULL, 0, NULL, BULKSTAT_FG_IGET, &done))) { break; } } while (! done); if (error) { cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); } cmn_err(CE_DEBUG, "Checking results against system dquots"); for (i = 0; i < qmtest_hashmask; i++) { h1 = &qmtest_udqtab[i]; for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { xfs_dqtest_cmp(d); e = (xfs_dqtest_t *) d->HL_NEXT; kmem_free(d, sizeof(xfs_dqtest_t)); d = e; } h1 = &qmtest_gdqtab[i]; for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { xfs_dqtest_cmp(d); e = (xfs_dqtest_t *) d->HL_NEXT; kmem_free(d, sizeof(xfs_dqtest_t)); d = e; } } if (qmtest_nfails) { cmn_err(CE_DEBUG, "******** quotacheck failed ********"); cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails); } else { cmn_err(CE_DEBUG, "******** quotacheck successful! ********"); } kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); mutex_unlock(&qcheck_lock); return (qmtest_nfails); } #endif /* DEBUG */