Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / xfs / xfs_qm.c
index b75c9bb..7a3e007 100644 (file)
@@ -70,7 +70,7 @@ xfs_qm_dquot_walk(
        void                    *data)
 {
        struct xfs_quotainfo    *qi = mp->m_quotainfo;
-       struct radix_tree_root  *tree = XFS_DQUOT_TREE(qi, type);
+       struct radix_tree_root  *tree = xfs_dquot_tree(qi, type);
        uint32_t                next_index;
        int                     last_error = 0;
        int                     skipped;
@@ -189,7 +189,7 @@ xfs_qm_dqpurge(
        xfs_dqfunlock(dqp);
        xfs_dqunlock(dqp);
 
-       radix_tree_delete(XFS_DQUOT_TREE(qi, dqp->q_core.d_flags),
+       radix_tree_delete(xfs_dquot_tree(qi, dqp->q_core.d_flags),
                          be32_to_cpu(dqp->q_core.d_id));
        qi->qi_dquots--;
 
@@ -299,8 +299,10 @@ xfs_qm_mount_quotas(
         */
        if (!XFS_IS_UQUOTA_ON(mp))
                mp->m_qflags &= ~XFS_UQUOTA_CHKD;
-       if (!(XFS_IS_GQUOTA_ON(mp) || XFS_IS_PQUOTA_ON(mp)))
-               mp->m_qflags &= ~XFS_OQUOTA_CHKD;
+       if (!XFS_IS_GQUOTA_ON(mp))
+               mp->m_qflags &= ~XFS_GQUOTA_CHKD;
+       if (!XFS_IS_PQUOTA_ON(mp))
+               mp->m_qflags &= ~XFS_PQUOTA_CHKD;
 
  write_changes:
        /*
@@ -489,8 +491,7 @@ xfs_qm_need_dqattach(
                return false;
        if (!XFS_NOT_DQATTACHED(mp, ip))
                return false;
-       if (ip->i_ino == mp->m_sb.sb_uquotino ||
-           ip->i_ino == mp->m_sb.sb_gquotino)
+       if (xfs_is_quota_inode(&mp->m_sb, ip->i_ino))
                return false;
        return true;
 }
@@ -606,8 +607,7 @@ xfs_qm_dqdetach(
 
        trace_xfs_dquot_dqdetach(ip);
 
-       ASSERT(ip->i_ino != ip->i_mount->m_sb.sb_uquotino);
-       ASSERT(ip->i_ino != ip->i_mount->m_sb.sb_gquotino);
+       ASSERT(!xfs_is_quota_inode(&ip->i_mount->m_sb, ip->i_ino));
        if (ip->i_udquot) {
                xfs_qm_dqrele(ip->i_udquot);
                ip->i_udquot = NULL;
@@ -1152,7 +1152,7 @@ xfs_qm_dqusage_adjust(
         * rootino must have its resources accounted for, not so with the quota
         * inodes.
         */
-       if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) {
+       if (xfs_is_quota_inode(&mp->m_sb, ino)) {
                *res = BULKSTAT_RV_NOTHING;
                return XFS_ERROR(EINVAL);
        }
@@ -1262,19 +1262,20 @@ int
 xfs_qm_quotacheck(
        xfs_mount_t     *mp)
 {
-       int             done, count, error, error2;
-       xfs_ino_t       lastino;
-       size_t          structsz;
-       xfs_inode_t     *uip, *gip;
-       uint            flags;
-       LIST_HEAD       (buffer_list);
+       int                     done, count, error, error2;
+       xfs_ino_t               lastino;
+       size_t                  structsz;
+       uint                    flags;
+       LIST_HEAD               (buffer_list);
+       struct xfs_inode        *uip = mp->m_quotainfo->qi_uquotaip;
+       struct xfs_inode        *gip = mp->m_quotainfo->qi_gquotaip;
 
        count = INT_MAX;
        structsz = 1;
        lastino = 0;
        flags = 0;
 
-       ASSERT(mp->m_quotainfo->qi_uquotaip || mp->m_quotainfo->qi_gquotaip);
+       ASSERT(uip || gip);
        ASSERT(XFS_IS_QUOTA_RUNNING(mp));
 
        xfs_notice(mp, "Quotacheck needed: Please wait.");
@@ -1284,7 +1285,6 @@ xfs_qm_quotacheck(
         * their counters to zero. We need a clean slate.
         * We don't log our changes till later.
         */
-       uip = mp->m_quotainfo->qi_uquotaip;
        if (uip) {
                error = xfs_qm_dqiterate(mp, uip, XFS_QMOPT_UQUOTA,
                                         &buffer_list);
@@ -1293,14 +1293,14 @@ xfs_qm_quotacheck(
                flags |= XFS_UQUOTA_CHKD;
        }
 
-       gip = mp->m_quotainfo->qi_gquotaip;
        if (gip) {
                error = xfs_qm_dqiterate(mp, gip, XFS_IS_GQUOTA_ON(mp) ?
                                         XFS_QMOPT_GQUOTA : XFS_QMOPT_PQUOTA,
                                         &buffer_list);
                if (error)
                        goto error_return;
-               flags |= XFS_OQUOTA_CHKD;
+               flags |= XFS_IS_GQUOTA_ON(mp) ?
+                                       XFS_GQUOTA_CHKD : XFS_PQUOTA_CHKD;
        }
 
        do {
@@ -1395,15 +1395,13 @@ STATIC int
 xfs_qm_init_quotainos(
        xfs_mount_t     *mp)
 {
-       xfs_inode_t     *uip, *gip;
-       int             error;
-       __int64_t       sbflags;
-       uint            flags;
+       struct xfs_inode        *uip = NULL;
+       struct xfs_inode        *gip = NULL;
+       int                     error;
+       __int64_t               sbflags = 0;
+       uint                    flags = 0;
 
        ASSERT(mp->m_quotainfo);
-       uip = gip = NULL;
-       sbflags = 0;
-       flags = 0;
 
        /*
         * Get the uquota and gquota inodes
@@ -1412,19 +1410,18 @@ xfs_qm_init_quotainos(
                if (XFS_IS_UQUOTA_ON(mp) &&
                    mp->m_sb.sb_uquotino != NULLFSINO) {
                        ASSERT(mp->m_sb.sb_uquotino > 0);
-                       if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
-                                            0, 0, &uip)))
+                       error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
+                                            0, 0, &uip);
+                       if (error)
                                return XFS_ERROR(error);
                }
                if (XFS_IS_OQUOTA_ON(mp) &&
                    mp->m_sb.sb_gquotino != NULLFSINO) {
                        ASSERT(mp->m_sb.sb_gquotino > 0);
-                       if ((error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
-                                            0, 0, &gip))) {
-                               if (uip)
-                                       IRELE(uip);
-                               return XFS_ERROR(error);
-                       }
+                       error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
+                                            0, 0, &gip);
+                       if (error)
+                               goto error_rele;
                }
        } else {
                flags |= XFS_QMOPT_SBVERSION;
@@ -1439,10 +1436,11 @@ xfs_qm_init_quotainos(
         * temporarily switch to read-write to do this.
         */
        if (XFS_IS_UQUOTA_ON(mp) && uip == NULL) {
-               if ((error = xfs_qm_qino_alloc(mp, &uip,
+               error = xfs_qm_qino_alloc(mp, &uip,
                                              sbflags | XFS_SB_UQUOTINO,
-                                             flags | XFS_QMOPT_UQUOTA)))
-                       return XFS_ERROR(error);
+                                             flags | XFS_QMOPT_UQUOTA);
+               if (error)
+                       goto error_rele;
 
                flags &= ~XFS_QMOPT_SBVERSION;
        }
@@ -1451,18 +1449,21 @@ xfs_qm_init_quotainos(
                                XFS_QMOPT_GQUOTA : XFS_QMOPT_PQUOTA);
                error = xfs_qm_qino_alloc(mp, &gip,
                                          sbflags | XFS_SB_GQUOTINO, flags);
-               if (error) {
-                       if (uip)
-                               IRELE(uip);
-
-                       return XFS_ERROR(error);
-               }
+               if (error)
+                       goto error_rele;
        }
 
        mp->m_quotainfo->qi_uquotaip = uip;
        mp->m_quotainfo->qi_gquotaip = gip;
 
        return 0;
+
+error_rele:
+       if (uip)
+               IRELE(uip);
+       if (gip)
+               IRELE(gip);
+       return XFS_ERROR(error);
 }
 
 STATIC void
@@ -1473,7 +1474,7 @@ xfs_qm_dqfree_one(
        struct xfs_quotainfo    *qi = mp->m_quotainfo;
 
        mutex_lock(&qi->qi_tree_lock);
-       radix_tree_delete(XFS_DQUOT_TREE(qi, dqp->q_core.d_flags),
+       radix_tree_delete(xfs_dquot_tree(qi, dqp->q_core.d_flags),
                          be32_to_cpu(dqp->q_core.d_id));
 
        qi->qi_dquots--;
@@ -1659,7 +1660,8 @@ xfs_qm_vop_dqalloc(
        struct xfs_dquot        **O_gdqpp)
 {
        struct xfs_mount        *mp = ip->i_mount;
-       struct xfs_dquot        *uq, *gq;
+       struct xfs_dquot        *uq = NULL;
+       struct xfs_dquot        *gq = NULL;
        int                     error;
        uint                    lockflags;
 
@@ -1684,7 +1686,6 @@ xfs_qm_vop_dqalloc(
                }
        }
 
-       uq = gq = NULL;
        if ((flags & XFS_QMOPT_UQUOTA) && XFS_IS_UQUOTA_ON(mp)) {
                if (ip->i_d.di_uid != uid) {
                        /*
@@ -1697,11 +1698,12 @@ xfs_qm_vop_dqalloc(
                         * holding ilock.
                         */
                        xfs_iunlock(ip, lockflags);
-                       if ((error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t) uid,
+                       error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t) uid,
                                                 XFS_DQ_USER,
                                                 XFS_QMOPT_DQALLOC |
                                                 XFS_QMOPT_DOWARN,
-                                                &uq))) {
+                                                &uq);
+                       if (error) {
                                ASSERT(error != ENOENT);
                                return error;
                        }
@@ -1723,15 +1725,14 @@ xfs_qm_vop_dqalloc(
        if ((flags & XFS_QMOPT_GQUOTA) && XFS_IS_GQUOTA_ON(mp)) {
                if (ip->i_d.di_gid != gid) {
                        xfs_iunlock(ip, lockflags);
-                       if ((error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t)gid,
+                       error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t)gid,
                                                 XFS_DQ_GROUP,
                                                 XFS_QMOPT_DQALLOC |
                                                 XFS_QMOPT_DOWARN,
-                                                &gq))) {
-                               if (uq)
-                                       xfs_qm_dqrele(uq);
+                                                &gq);
+                       if (error) {
                                ASSERT(error != ENOENT);
-                               return error;
+                               goto error_rele;
                        }
                        xfs_dqunlock(gq);
                        lockflags = XFS_ILOCK_SHARED;
@@ -1743,15 +1744,14 @@ xfs_qm_vop_dqalloc(
        } else if ((flags & XFS_QMOPT_PQUOTA) && XFS_IS_PQUOTA_ON(mp)) {
                if (xfs_get_projid(ip) != prid) {
                        xfs_iunlock(ip, lockflags);
-                       if ((error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t)prid,
+                       error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t)prid,
                                                 XFS_DQ_PROJ,
                                                 XFS_QMOPT_DQALLOC |
                                                 XFS_QMOPT_DOWARN,
-                                                &gq))) {
-                               if (uq)
-                                       xfs_qm_dqrele(uq);
+                                                &gq);
+                       if (error) {
                                ASSERT(error != ENOENT);
-                               return (error);
+                               goto error_rele;
                        }
                        xfs_dqunlock(gq);
                        lockflags = XFS_ILOCK_SHARED;
@@ -1774,6 +1774,11 @@ xfs_qm_vop_dqalloc(
        else if (gq)
                xfs_qm_dqrele(gq);
        return 0;
+
+error_rele:
+       if (uq)
+               xfs_qm_dqrele(uq);
+       return error;
 }
 
 /*
@@ -1821,29 +1826,31 @@ xfs_qm_vop_chown(
  */
 int
 xfs_qm_vop_chown_reserve(
-       xfs_trans_t     *tp,
-       xfs_inode_t     *ip,
-       xfs_dquot_t     *udqp,
-       xfs_dquot_t     *gdqp,
-       uint            flags)
+       struct xfs_trans        *tp,
+       struct xfs_inode        *ip,
+       struct xfs_dquot        *udqp,
+       struct xfs_dquot        *gdqp,
+       uint                    flags)
 {
-       xfs_mount_t     *mp = ip->i_mount;
-       uint            delblks, blkflags, prjflags = 0;
-       xfs_dquot_t     *unresudq, *unresgdq, *delblksudq, *delblksgdq;
-       int             error;
+       struct xfs_mount        *mp = ip->i_mount;
+       uint                    delblks, blkflags, prjflags = 0;
+       struct xfs_dquot        *udq_unres = NULL;
+       struct xfs_dquot        *gdq_unres = NULL;
+       struct xfs_dquot        *udq_delblks = NULL;
+       struct xfs_dquot        *gdq_delblks = NULL;
+       int                     error;
 
 
        ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
        ASSERT(XFS_IS_QUOTA_RUNNING(mp));
 
        delblks = ip->i_delayed_blks;
-       delblksudq = delblksgdq = unresudq = unresgdq = NULL;
        blkflags = XFS_IS_REALTIME_INODE(ip) ?
                        XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS;
 
        if (XFS_IS_UQUOTA_ON(mp) && udqp &&
            ip->i_d.di_uid != (uid_t)be32_to_cpu(udqp->q_core.d_id)) {
-               delblksudq = udqp;
+               udq_delblks = udqp;
                /*
                 * If there are delayed allocation blocks, then we have to
                 * unreserve those from the old dquot, and add them to the
@@ -1851,7 +1858,7 @@ xfs_qm_vop_chown_reserve(
                 */
                if (delblks) {
                        ASSERT(ip->i_udquot);
-                       unresudq = ip->i_udquot;
+                       udq_unres = ip->i_udquot;
                }
        }
        if (XFS_IS_OQUOTA_ON(ip->i_mount) && gdqp) {
@@ -1862,18 +1869,19 @@ xfs_qm_vop_chown_reserve(
                if (prjflags ||
                    (XFS_IS_GQUOTA_ON(ip->i_mount) &&
                     ip->i_d.di_gid != be32_to_cpu(gdqp->q_core.d_id))) {
-                       delblksgdq = gdqp;
+                       gdq_delblks = gdqp;
                        if (delblks) {
                                ASSERT(ip->i_gdquot);
-                               unresgdq = ip->i_gdquot;
+                               gdq_unres = ip->i_gdquot;
                        }
                }
        }
 
-       if ((error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount,
-                               delblksudq, delblksgdq, ip->i_d.di_nblocks, 1,
-                               flags | blkflags | prjflags)))
-               return (error);
+       error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount,
+                               udq_delblks, gdq_delblks, ip->i_d.di_nblocks, 1,
+                               flags | blkflags | prjflags);
+       if (error)
+               return error;
 
        /*
         * Do the delayed blks reservations/unreservations now. Since, these
@@ -1885,14 +1893,15 @@ xfs_qm_vop_chown_reserve(
                /*
                 * Do the reservations first. Unreservation can't fail.
                 */
-               ASSERT(delblksudq || delblksgdq);
-               ASSERT(unresudq || unresgdq);
-               if ((error = xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
-                               delblksudq, delblksgdq, (xfs_qcnt_t)delblks, 0,
-                               flags | blkflags | prjflags)))
-                       return (error);
+               ASSERT(udq_delblks || gdq_delblks);
+               ASSERT(udq_unres || gdq_unres);
+               error = xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
+                           udq_delblks, gdq_delblks, (xfs_qcnt_t)delblks, 0,
+                           flags | blkflags | prjflags);
+               if (error)
+                       return error;
                xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
-                               unresudq, unresgdq, -((xfs_qcnt_t)delblks), 0,
+                               udq_unres, gdq_unres, -((xfs_qcnt_t)delblks), 0,
                                blkflags);
        }