| /* |
| * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms 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. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <linux/capability.h> |
| |
| #include "xfs.h" |
| #include "xfs_fs.h" |
| #include "xfs_bit.h" |
| #include "xfs_log.h" |
| #include "xfs_inum.h" |
| #include "xfs_trans.h" |
| #include "xfs_sb.h" |
| #include "xfs_ag.h" |
| #include "xfs_alloc.h" |
| #include "xfs_quota.h" |
| #include "xfs_mount.h" |
| #include "xfs_bmap_btree.h" |
| #include "xfs_inode.h" |
| #include "xfs_itable.h" |
| #include "xfs_bmap.h" |
| #include "xfs_rtalloc.h" |
| #include "xfs_error.h" |
| #include "xfs_attr.h" |
| #include "xfs_buf_item.h" |
| #include "xfs_utils.h" |
| #include "xfs_qm.h" |
| #include "xfs_trace.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_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_export_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 *); |
| |
| |
| /* |
| * 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. |
| */ |
| int |
| xfs_qm_scall_quotaoff( |
| xfs_mount_t *mp, |
| uint flags) |
| { |
| struct xfs_quotainfo *q = mp->m_quotainfo; |
| uint dqtype; |
| int error; |
| uint inactivate_flags; |
| xfs_qoff_logitem_t *qoffstart; |
| int nculprits; |
| |
| /* |
| * 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(q); |
| mutex_lock(&q->qi_quotaofflock); |
| |
| /* |
| * If we're just turning off quota enforcement, change mp and go. |
| */ |
| if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { |
| mp->m_qflags &= ~(flags); |
| |
| spin_lock(&mp->m_sb_lock); |
| mp->m_sb.sb_qflags = mp->m_qflags; |
| spin_unlock(&mp->m_sb_lock); |
| mutex_unlock(&q->qi_quotaofflock); |
| |
| /* 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_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
| inactivate_flags |= XFS_GQUOTA_ACTIVE; |
| } else if (flags & XFS_PQUOTA_ACCT) { |
| dqtype |= XFS_QMOPT_PQUOTA; |
| flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
| inactivate_flags |= XFS_PQUOTA_ACTIVE; |
| } |
| |
| /* |
| * Nothing to do? Don't complain. This happens when we're just |
| * turning off quota enforcement. |
| */ |
| if ((mp->m_qflags & flags) == 0) |
| goto out_unlock; |
| |
| /* |
| * Write the LI_QUOTAOFF log record, and do SB changes atomically, |
| * and synchronously. If we fail to write, we should abort the |
| * operation as it cannot be recovered safely if we crash. |
| */ |
| error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
| if (error) |
| goto out_unlock; |
| |
| /* |
| * 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))) |
| 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... |
| */ |
| error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
| if (error) { |
| /* We're screwed now. Shutdown is the only option. */ |
| xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); |
| goto out_unlock; |
| } |
| |
| /* |
| * If quotas is completely disabled, close shop. |
| */ |
| if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
| ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { |
| mutex_unlock(&q->qi_quotaofflock); |
| xfs_qm_destroy_quotainfo(mp); |
| return (0); |
| } |
| |
| /* |
| * Release our quotainode references if we don't need them anymore. |
| */ |
| if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
| IRELE(q->qi_uquotaip); |
| q->qi_uquotaip = NULL; |
| } |
| if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) { |
| IRELE(q->qi_gquotaip); |
| q->qi_gquotaip = NULL; |
| } |
| |
| out_unlock: |
| mutex_unlock(&q->qi_quotaofflock); |
| return error; |
| } |
| |
| STATIC int |
| xfs_qm_scall_trunc_qfile( |
| struct xfs_mount *mp, |
| xfs_ino_t ino) |
| { |
| struct xfs_inode *ip; |
| struct xfs_trans *tp; |
| int error; |
| |
| if (ino == NULLFSINO) |
| return 0; |
| |
| error = xfs_iget(mp, NULL, ino, 0, 0, &ip); |
| if (error) |
| return error; |
| |
| xfs_ilock(ip, XFS_IOLOCK_EXCL); |
| |
| tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); |
| error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, |
| XFS_TRANS_PERM_LOG_RES, |
| XFS_ITRUNCATE_LOG_COUNT); |
| if (error) { |
| xfs_trans_cancel(tp, 0); |
| xfs_iunlock(ip, XFS_IOLOCK_EXCL); |
| goto out_put; |
| } |
| |
| xfs_ilock(ip, XFS_ILOCK_EXCL); |
| xfs_trans_ijoin(tp, ip); |
| |
| error = xfs_itruncate_finish(&tp, ip, 0, XFS_DATA_FORK, 1); |
| if (error) { |
| xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | |
| XFS_TRANS_ABORT); |
| goto out_unlock; |
| } |
| |
| xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
| error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
| |
| out_unlock: |
| xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); |
| out_put: |
| IRELE(ip); |
| return error; |
| } |
| |
| int |
| xfs_qm_scall_trunc_qfiles( |
| xfs_mount_t *mp, |
| uint flags) |
| { |
| int error = 0, error2 = 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) |
| error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); |
| if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) |
| error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); |
| |
| return error ? error : error2; |
| } |
| |
| /* |
| * Switch on (a given) quota enforcement for a filesystem. This takes |
| * effect immediately. |
| * (Switching on quota accounting must be done at mount time.) |
| */ |
| int |
| xfs_qm_scall_quotaon( |
| xfs_mount_t *mp, |
| uint flags) |
| { |
| int error; |
| uint qf; |
| uint accflags; |
| __int64_t sbflags; |
| |
| 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_PQUOTA_ACCT) == 0 && |
| (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
| (flags & XFS_GQUOTA_ACCT) == 0 && |
| (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
| (flags & XFS_OQUOTA_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. |
| */ |
| spin_lock(&mp->m_sb_lock); |
| qf = mp->m_sb.sb_qflags; |
| mp->m_sb.sb_qflags = qf | flags; |
| spin_unlock(&mp->m_sb_lock); |
| |
| /* |
| * 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)) || |
| ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
| (mp->m_qflags & XFS_PQUOTA_ACCT)) || |
| ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != |
| (mp->m_qflags & XFS_GQUOTA_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(&mp->m_quotainfo->qi_quotaofflock); |
| mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
| mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
| |
| return (0); |
| } |
| |
| |
| /* |
| * Return quota status information, such as uquota-off, enforcements, etc. |
| */ |
| int |
| xfs_qm_scall_getqstat( |
| struct xfs_mount *mp, |
| struct fs_quota_stat *out) |
| { |
| struct xfs_quotainfo *q = mp->m_quotainfo; |
| struct xfs_inode *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 (q) { |
| uip = q->qi_uquotaip; |
| gip = q->qi_gquotaip; |
| } |
| if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { |
| if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, |
| 0, 0, &uip) == 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) |
| 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) |
| IRELE(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) |
| IRELE(gip); |
| } |
| if (q) { |
| out->qs_incoredqs = q->qi_dquots; |
| out->qs_btimelimit = q->qi_btimelimit; |
| out->qs_itimelimit = q->qi_itimelimit; |
| out->qs_rtbtimelimit = q->qi_rtbtimelimit; |
| out->qs_bwarnlimit = q->qi_bwarnlimit; |
| out->qs_iwarnlimit = q->qi_iwarnlimit; |
| } |
| return 0; |
| } |
| |
| #define XFS_DQ_MASK \ |
| (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) |
| |
| /* |
| * Adjust quota limits, and start/stop timers accordingly. |
| */ |
| int |
| xfs_qm_scall_setqlim( |
| xfs_mount_t *mp, |
| xfs_dqid_t id, |
| uint type, |
| fs_disk_quota_t *newlim) |
| { |
| struct xfs_quotainfo *q = mp->m_quotainfo; |
| xfs_disk_dquot_t *ddq; |
| xfs_dquot_t *dqp; |
| xfs_trans_t *tp; |
| int error; |
| xfs_qcnt_t hard, soft; |
| |
| if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
| return EINVAL; |
| if ((newlim->d_fieldmask & XFS_DQ_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(&q->qi_quotaofflock); |
| |
| /* |
| * 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); |
| ASSERT(error != ENOENT); |
| goto out_unlock; |
| } |
| 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) : |
| be64_to_cpu(ddq->d_blk_hardlimit); |
| soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
| (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : |
| be64_to_cpu(ddq->d_blk_softlimit); |
| if (hard == 0 || hard >= soft) { |
| ddq->d_blk_hardlimit = cpu_to_be64(hard); |
| ddq->d_blk_softlimit = cpu_to_be64(soft); |
| if (id == 0) { |
| q->qi_bhardlimit = hard; |
| q->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) : |
| be64_to_cpu(ddq->d_rtb_hardlimit); |
| soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
| (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : |
| be64_to_cpu(ddq->d_rtb_softlimit); |
| if (hard == 0 || hard >= soft) { |
| ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
| ddq->d_rtb_softlimit = cpu_to_be64(soft); |
| if (id == 0) { |
| q->qi_rtbhardlimit = hard; |
| q->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 : |
| be64_to_cpu(ddq->d_ino_hardlimit); |
| soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
| (xfs_qcnt_t) newlim->d_ino_softlimit : |
| be64_to_cpu(ddq->d_ino_softlimit); |
| if (hard == 0 || hard >= soft) { |
| ddq->d_ino_hardlimit = cpu_to_be64(hard); |
| ddq->d_ino_softlimit = cpu_to_be64(soft); |
| if (id == 0) { |
| q->qi_ihardlimit = hard; |
| q->qi_isoftlimit = soft; |
| } |
| } else { |
| qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); |
| } |
| |
| /* |
| * Update warnings counter(s) if requested |
| */ |
| if (newlim->d_fieldmask & FS_DQ_BWARNS) |
| ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
| if (newlim->d_fieldmask & FS_DQ_IWARNS) |
| ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
| if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
| ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
| |
| 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), and |
| * for warnings. |
| */ |
| if (newlim->d_fieldmask & FS_DQ_BTIMER) { |
| q->qi_btimelimit = newlim->d_btimer; |
| ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
| } |
| if (newlim->d_fieldmask & FS_DQ_ITIMER) { |
| q->qi_itimelimit = newlim->d_itimer; |
| ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
| } |
| if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { |
| q->qi_rtbtimelimit = newlim->d_rtbtimer; |
| ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
| } |
| if (newlim->d_fieldmask & FS_DQ_BWARNS) |
| q->qi_bwarnlimit = newlim->d_bwarns; |
| if (newlim->d_fieldmask & FS_DQ_IWARNS) |
| q->qi_iwarnlimit = newlim->d_iwarns; |
| if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
| q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
| } else { |
| /* |
| * 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); |
| |
| error = xfs_trans_commit(tp, 0); |
| xfs_qm_dqprint(dqp); |
| xfs_qm_dqrele(dqp); |
| |
| out_unlock: |
| mutex_unlock(&q->qi_quotaofflock); |
| return error; |
| } |
| |
| 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); |
| } |
| |
| /* |
| * 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); |
| 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; |
| 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); |
| |
| spin_lock(&mp->m_sb_lock); |
| oldsbqflag = mp->m_sb.sb_qflags; |
| mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; |
| spin_unlock(&mp->m_sb_lock); |
| |
| 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); |
| |
| error0: |
| if (error) { |
| xfs_trans_cancel(tp, 0); |
| /* |
| * No one else is modifying sb_qflags, so this is OK. |
| * We still hold the quotaofflock. |
| */ |
| spin_lock(&mp->m_sb_lock); |
| mp->m_sb.sb_qflags = oldsbqflag; |
| spin_unlock(&mp->m_sb_lock); |
| } |
| *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(src->d_flags); |
| dst->d_id = be32_to_cpu(src->d_id); |
| dst->d_blk_hardlimit = |
| XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_hardlimit)); |
| dst->d_blk_softlimit = |
| XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_softlimit)); |
| dst->d_ino_hardlimit = be64_to_cpu(src->d_ino_hardlimit); |
| dst->d_ino_softlimit = be64_to_cpu(src->d_ino_softlimit); |
| dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_bcount)); |
| dst->d_icount = be64_to_cpu(src->d_icount); |
| dst->d_btimer = be32_to_cpu(src->d_btimer); |
| dst->d_itimer = be32_to_cpu(src->d_itimer); |
| dst->d_iwarns = be16_to_cpu(src->d_iwarns); |
| dst->d_bwarns = be16_to_cpu(src->d_bwarns); |
| dst->d_rtb_hardlimit = |
| XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_hardlimit)); |
| dst->d_rtb_softlimit = |
| XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_softlimit)); |
| dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtbcount)); |
| dst->d_rtbtimer = be32_to_cpu(src->d_rtbtimer); |
| dst->d_rtbwarns = be16_to_cpu(src->d_rtbwarns); |
| |
| /* |
| * Internally, we don't reset all the timers when quota enforcement |
| * gets turned off. No need to confuse the user level code, |
| * so return zeroes in that case. |
| */ |
| if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) || |
| (!XFS_IS_OQUOTA_ENFORCED(mp) && |
| (src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { |
| dst->d_btimer = 0; |
| dst->d_itimer = 0; |
| dst->d_rtbtimer = 0; |
| } |
| |
| #ifdef DEBUG |
| if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
| (XFS_IS_OQUOTA_ENFORCED(mp) && |
| (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && |
| 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_export_qtype_flags( |
| uint flags) |
| { |
| /* |
| * Can't be more than one, or none. |
| */ |
| ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
| (FS_PROJ_QUOTA | FS_USER_QUOTA)); |
| ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != |
| (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); |
| ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != |
| (FS_USER_QUOTA | FS_GROUP_QUOTA)); |
| ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); |
| |
| return (flags & XFS_DQ_USER) ? |
| FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
| FS_PROJ_QUOTA : FS_GROUP_QUOTA; |
| } |
| |
| STATIC uint |
| xfs_qm_export_flags( |
| uint flags) |
| { |
| uint uflags; |
| |
| uflags = 0; |
| if (flags & XFS_UQUOTA_ACCT) |
| uflags |= FS_QUOTA_UDQ_ACCT; |
| if (flags & XFS_PQUOTA_ACCT) |
| uflags |= FS_QUOTA_PDQ_ACCT; |
| if (flags & XFS_GQUOTA_ACCT) |
| uflags |= FS_QUOTA_GDQ_ACCT; |
| if (flags & XFS_UQUOTA_ENFD) |
| uflags |= FS_QUOTA_UDQ_ENFD; |
| if (flags & (XFS_OQUOTA_ENFD)) { |
| uflags |= (flags & XFS_GQUOTA_ACCT) ? |
| FS_QUOTA_GDQ_ENFD : FS_QUOTA_PDQ_ENFD; |
| } |
| return (uflags); |
| } |
| |
| |
| STATIC int |
| xfs_dqrele_inode( |
| struct xfs_inode *ip, |
| struct xfs_perag *pag, |
| int flags) |
| { |
| /* skip quota inodes */ |
| if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
| ip == ip->i_mount->m_quotainfo->qi_gquotaip) { |
| ASSERT(ip->i_udquot == NULL); |
| ASSERT(ip->i_gdquot == NULL); |
| return 0; |
| } |
| |
| xfs_ilock(ip, XFS_ILOCK_EXCL); |
| if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { |
| xfs_qm_dqrele(ip->i_udquot); |
| ip->i_udquot = NULL; |
| } |
| if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
| xfs_qm_dqrele(ip->i_gdquot); |
| ip->i_gdquot = NULL; |
| } |
| xfs_iunlock(ip, XFS_ILOCK_EXCL); |
| return 0; |
| } |
| |
| |
| /* |
| * 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. |
| */ |
| void |
| xfs_qm_dqrele_all_inodes( |
| struct xfs_mount *mp, |
| uint flags) |
| { |
| ASSERT(mp->m_quotainfo); |
| xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags); |
| } |
| |
| /*------------------------------------------------------------------------*/ |
| #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; |
| struct mutex 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 { |
| uint dq_flags; /* various flags (XFS_DQ_*) */ |
| struct list_head q_hashlist; |
| 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) |
| { |
| list_add(&dqp->q_hashlist, &h->qh_list); |
| 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, "---- 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", |
| d->d_id, error, reason); |
| else |
| cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", |
| d->d_id, 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 (be64_to_cpu(dqp->q_core.d_icount) != d->d_icount) { |
| xfs_qm_dqtest_failed(d, dqp, "icount mismatch", |
| be64_to_cpu(dqp->q_core.d_icount), |
| d->d_icount, 0); |
| err++; |
| } |
| if (be64_to_cpu(dqp->q_core.d_bcount) != d->d_bcount) { |
| xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", |
| be64_to_cpu(dqp->q_core.d_bcount), |
| d->d_bcount, 0); |
| err++; |
| } |
| if (dqp->q_core.d_blk_softlimit && |
| be64_to_cpu(dqp->q_core.d_bcount) >= |
| be64_to_cpu(dqp->q_core.d_blk_softlimit)) { |
| if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { |
| cmn_err(CE_DEBUG, |
| "%d [%s] [0x%p] BLK TIMER NOT STARTED", |
| d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); |
| err++; |
| } |
| } |
| if (dqp->q_core.d_ino_softlimit && |
| be64_to_cpu(dqp->q_core.d_icount) >= |
| be64_to_cpu(dqp->q_core.d_ino_softlimit)) { |
| if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { |
| 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, DQFLAGTO_TYPESTR(d), 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); |
| list_for_each_entry(d, &h->qh_list, q_hashlist) { |
| 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; |
| INIT_LIST_HEAD(&d->q_hashlist); |
| 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 projid, |
| 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); |
| else if (XFS_IS_PQUOTA_ON(mp)) |
| xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, 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 */ |
| int *ubused, /* 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))) { |
| *res = BULKSTAT_RV_NOTHING; |
| return (error); |
| } |
| |
| /* |
| * 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_iunlock(ip, lock_flags); |
| IRELE(ip); |
| 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_projid, |
| (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_OQUOTA_ON(mp)) { |
| ASSERT(gd); |
| xfs_qm_internalqcheck_dqadjust(ip, gd); |
| } |
| xfs_iunlock(ip, lock_flags); |
| IRELE(ip); |
| *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; |
| 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_LOG_SYNC); |
| XFS_bflush(mp->m_ddev_targp); |
| xfs_log_force(mp, XFS_LOG_SYNC); |
| XFS_bflush(mp->m_ddev_targp); |
| |
| mutex_lock(&qcheck_lock); |
| /* 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 |
| */ |
| error = xfs_bulkstat(mp, &lastino, &count, |
| xfs_qm_internalqcheck_adjust, |
| 0, NULL, &done); |
| if (error) { |
| cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); |
| break; |
| } |
| } while (!done); |
| |
| cmn_err(CE_DEBUG, "Checking results against system dquots"); |
| for (i = 0; i < qmtest_hashmask; i++) { |
| xfs_dqtest_t *d, *n; |
| xfs_dqhash_t *h; |
| |
| h = &qmtest_udqtab[i]; |
| list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) { |
| xfs_dqtest_cmp(d); |
| kmem_free(d); |
| } |
| h = &qmtest_gdqtab[i]; |
| list_for_each_entry_safe(d, n, &h->qh_list, q_hashlist) { |
| xfs_dqtest_cmp(d); |
| kmem_free(d); |
| } |
| } |
| |
| 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); |
| kmem_free(qmtest_gdqtab); |
| mutex_unlock(&qcheck_lock); |
| return (qmtest_nfails); |
| } |
| |
| #endif /* DEBUG */ |