diff options
-rw-r--r-- | fs/ext3/super.c | 2 | ||||
-rw-r--r-- | fs/ext3/xattr.c | 3 | ||||
-rw-r--r-- | fs/ext4/super.c | 2 | ||||
-rw-r--r-- | fs/gfs2/quota.c | 28 | ||||
-rw-r--r-- | fs/quota/dquot.c | 151 | ||||
-rw-r--r-- | fs/quota/quota.c | 217 | ||||
-rw-r--r-- | fs/quota/quota_tree.c | 7 | ||||
-rw-r--r-- | fs/quota/quota_v2.c | 12 | ||||
-rw-r--r-- | fs/quota/quotaio_v2.h | 6 | ||||
-rw-r--r-- | fs/reiserfs/reiserfs.h | 1 | ||||
-rw-r--r-- | fs/reiserfs/super.c | 2 | ||||
-rw-r--r-- | fs/udf/balloc.c | 20 | ||||
-rw-r--r-- | fs/udf/dir.c | 1 | ||||
-rw-r--r-- | fs/udf/directory.c | 1 | ||||
-rw-r--r-- | fs/udf/file.c | 1 | ||||
-rw-r--r-- | fs/udf/inode.c | 3 | ||||
-rw-r--r-- | fs/udf/misc.c | 1 | ||||
-rw-r--r-- | fs/udf/namei.c | 10 | ||||
-rw-r--r-- | fs/udf/partition.c | 1 | ||||
-rw-r--r-- | fs/udf/super.c | 1 | ||||
-rw-r--r-- | fs/udf/symlink.c | 1 | ||||
-rw-r--r-- | fs/udf/truncate.c | 1 | ||||
-rw-r--r-- | fs/xfs/xfs_qm.h | 4 | ||||
-rw-r--r-- | fs/xfs/xfs_qm_syscalls.c | 176 | ||||
-rw-r--r-- | fs/xfs/xfs_quotaops.c | 117 | ||||
-rw-r--r-- | include/linux/quota.h | 90 | ||||
-rw-r--r-- | include/linux/quotaops.h | 14 | ||||
-rw-r--r-- | include/uapi/linux/quota.h | 6 |
28 files changed, 547 insertions, 332 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c index d4dbf3c259b3..f037b4b27300 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -789,7 +789,7 @@ static const struct quotactl_ops ext3_qctl_operations = { .quota_on = ext3_quota_on, .quota_off = dquot_quota_off, .quota_sync = dquot_quota_sync, - .get_info = dquot_get_dqinfo, + .get_state = dquot_get_state, .set_info = dquot_set_dqinfo, .get_dqblk = dquot_get_dqblk, .set_dqblk = dquot_set_dqblk diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c index c6874be6d58b..24215dc09a18 100644 --- a/fs/ext3/xattr.c +++ b/fs/ext3/xattr.c @@ -546,8 +546,7 @@ ext3_xattr_set_entry(struct ext3_xattr_info *i, struct ext3_xattr_search *s) free += EXT3_XATTR_LEN(name_len); } if (i->value) { - if (free < EXT3_XATTR_SIZE(i->value_len) || - free < EXT3_XATTR_LEN(name_len) + + if (free < EXT3_XATTR_LEN(name_len) + EXT3_XATTR_SIZE(i->value_len)) return -ENOSPC; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index e061e66c8280..d348c7d29d80 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1076,7 +1076,7 @@ static const struct quotactl_ops ext4_qctl_operations = { .quota_on = ext4_quota_on, .quota_off = ext4_quota_off, .quota_sync = dquot_quota_sync, - .get_info = dquot_get_dqinfo, + .get_state = dquot_get_state, .set_info = dquot_set_dqinfo, .get_dqblk = dquot_get_dqblk, .set_dqblk = dquot_set_dqblk diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 5c27e48aa76f..e3065cb9ab08 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1494,32 +1494,34 @@ int gfs2_quotad(void *data) return 0; } -static int gfs2_quota_get_xstate(struct super_block *sb, - struct fs_quota_stat *fqs) +static int gfs2_quota_get_state(struct super_block *sb, struct qc_state *state) { struct gfs2_sbd *sdp = sb->s_fs_info; - memset(fqs, 0, sizeof(struct fs_quota_stat)); - fqs->qs_version = FS_QSTAT_VERSION; + memset(state, 0, sizeof(*state)); switch (sdp->sd_args.ar_quota) { case GFS2_QUOTA_ON: - fqs->qs_flags |= (FS_QUOTA_UDQ_ENFD | FS_QUOTA_GDQ_ENFD); + state->s_state[USRQUOTA].flags |= QCI_LIMITS_ENFORCED; + state->s_state[GRPQUOTA].flags |= QCI_LIMITS_ENFORCED; /*FALLTHRU*/ case GFS2_QUOTA_ACCOUNT: - fqs->qs_flags |= (FS_QUOTA_UDQ_ACCT | FS_QUOTA_GDQ_ACCT); + state->s_state[USRQUOTA].flags |= QCI_ACCT_ENABLED | + QCI_SYSFILE; + state->s_state[GRPQUOTA].flags |= QCI_ACCT_ENABLED | + QCI_SYSFILE; break; case GFS2_QUOTA_OFF: break; } - if (sdp->sd_quota_inode) { - fqs->qs_uquota.qfs_ino = GFS2_I(sdp->sd_quota_inode)->i_no_addr; - fqs->qs_uquota.qfs_nblks = sdp->sd_quota_inode->i_blocks; + state->s_state[USRQUOTA].ino = + GFS2_I(sdp->sd_quota_inode)->i_no_addr; + state->s_state[USRQUOTA].blocks = sdp->sd_quota_inode->i_blocks; } - fqs->qs_uquota.qfs_nextents = 1; /* unsupported */ - fqs->qs_gquota = fqs->qs_uquota; /* its the same inode in both cases */ - fqs->qs_incoredqs = list_lru_count(&gfs2_qd_lru); + state->s_state[USRQUOTA].nextents = 1; /* unsupported */ + state->s_state[GRPQUOTA] = state->s_state[USRQUOTA]; + state->s_incoredqs = list_lru_count(&gfs2_qd_lru); return 0; } @@ -1664,7 +1666,7 @@ out_put: const struct quotactl_ops gfs2_quotactl_ops = { .quota_sync = gfs2_quota_sync, - .get_xstate = gfs2_quota_get_xstate, + .get_state = gfs2_quota_get_state, .get_dqblk = gfs2_get_dqblk, .set_dqblk = gfs2_set_dqblk, }; diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 0ccd4ba3a246..ecc25cf0ee6e 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -900,14 +900,17 @@ static inline struct dquot **i_dquot(struct inode *inode) static int dqinit_needed(struct inode *inode, int type) { + struct dquot * const *dquots; int cnt; if (IS_NOQUOTA(inode)) return 0; + + dquots = i_dquot(inode); if (type != -1) - return !i_dquot(inode)[type]; + return !dquots[type]; for (cnt = 0; cnt < MAXQUOTAS; cnt++) - if (!i_dquot(inode)[cnt]) + if (!dquots[cnt]) return 1; return 0; } @@ -970,12 +973,13 @@ static void add_dquot_ref(struct super_block *sb, int type) static void remove_inode_dquot_ref(struct inode *inode, int type, struct list_head *tofree_head) { - struct dquot *dquot = i_dquot(inode)[type]; + struct dquot **dquots = i_dquot(inode); + struct dquot *dquot = dquots[type]; - i_dquot(inode)[type] = NULL; if (!dquot) return; + dquots[type] = NULL; if (list_empty(&dquot->dq_free)) { /* * The inode still has reference to dquot so it can't be in the @@ -1159,8 +1163,8 @@ static int need_print_warning(struct dquot_warn *warn) return uid_eq(current_fsuid(), warn->w_dq_id.uid); case GRPQUOTA: return in_group_p(warn->w_dq_id.gid); - case PRJQUOTA: /* Never taken... Just make gcc happy */ - return 0; + case PRJQUOTA: + return 1; } return 0; } @@ -1389,16 +1393,21 @@ static int dquot_active(const struct inode *inode) static void __dquot_initialize(struct inode *inode, int type) { int cnt, init_needed = 0; - struct dquot *got[MAXQUOTAS]; + struct dquot **dquots, *got[MAXQUOTAS]; struct super_block *sb = inode->i_sb; qsize_t rsv; if (!dquot_active(inode)) return; + dquots = i_dquot(inode); + /* First get references to structures we might need. */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { struct kqid qid; + kprojid_t projid; + int rc; + got[cnt] = NULL; if (type != -1 && cnt != type) continue; @@ -1407,8 +1416,12 @@ static void __dquot_initialize(struct inode *inode, int type) * we check it without locking here to avoid unnecessary * dqget()/dqput() calls. */ - if (i_dquot(inode)[cnt]) + if (dquots[cnt]) + continue; + + if (!sb_has_quota_active(sb, cnt)) continue; + init_needed = 1; switch (cnt) { @@ -1418,6 +1431,12 @@ static void __dquot_initialize(struct inode *inode, int type) case GRPQUOTA: qid = make_kqid_gid(inode->i_gid); break; + case PRJQUOTA: + rc = inode->i_sb->dq_op->get_projid(inode, &projid); + if (rc) + continue; + qid = make_kqid_projid(projid); + break; } got[cnt] = dqget(sb, qid); } @@ -1438,8 +1457,8 @@ static void __dquot_initialize(struct inode *inode, int type) /* We could race with quotaon or dqget() could have failed */ if (!got[cnt]) continue; - if (!i_dquot(inode)[cnt]) { - i_dquot(inode)[cnt] = got[cnt]; + if (!dquots[cnt]) { + dquots[cnt] = got[cnt]; got[cnt] = NULL; /* * Make quota reservation system happy if someone @@ -1447,7 +1466,7 @@ static void __dquot_initialize(struct inode *inode, int type) */ rsv = inode_get_rsv_space(inode); if (unlikely(rsv)) - dquot_resv_space(i_dquot(inode)[cnt], rsv); + dquot_resv_space(dquots[cnt], rsv); } } out_err: @@ -1473,12 +1492,13 @@ EXPORT_SYMBOL(dquot_initialize); static void __dquot_drop(struct inode *inode) { int cnt; + struct dquot **dquots = i_dquot(inode); struct dquot *put[MAXQUOTAS]; spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { - put[cnt] = i_dquot(inode)[cnt]; - i_dquot(inode)[cnt] = NULL; + put[cnt] = dquots[cnt]; + dquots[cnt] = NULL; } spin_unlock(&dq_data_lock); dqput_all(put); @@ -1486,6 +1506,7 @@ static void __dquot_drop(struct inode *inode) void dquot_drop(struct inode *inode) { + struct dquot * const *dquots; int cnt; if (IS_NOQUOTA(inode)) @@ -1498,8 +1519,9 @@ void dquot_drop(struct inode *inode) * must assure that nobody can come after the DQUOT_DROP and * add quota pointers back anyway. */ + dquots = i_dquot(inode); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { - if (i_dquot(inode)[cnt]) + if (dquots[cnt]) break; } @@ -1600,8 +1622,8 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags) { int cnt, ret = 0, index; struct dquot_warn warn[MAXQUOTAS]; - struct dquot **dquots = i_dquot(inode); int reserve = flags & DQUOT_SPACE_RESERVE; + struct dquot **dquots; if (!dquot_active(inode)) { inode_incr_space(inode, number, reserve); @@ -1611,6 +1633,7 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags) for (cnt = 0; cnt < MAXQUOTAS; cnt++) warn[cnt].w_type = QUOTA_NL_NOWARN; + dquots = i_dquot(inode); index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -1652,13 +1675,14 @@ int dquot_alloc_inode(struct inode *inode) { int cnt, ret = 0, index; struct dquot_warn warn[MAXQUOTAS]; - struct dquot * const *dquots = i_dquot(inode); + struct dquot * const *dquots; if (!dquot_active(inode)) return 0; for (cnt = 0; cnt < MAXQUOTAS; cnt++) warn[cnt].w_type = QUOTA_NL_NOWARN; + dquots = i_dquot(inode); index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -1690,6 +1714,7 @@ EXPORT_SYMBOL(dquot_alloc_inode); */ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) { + struct dquot **dquots; int cnt, index; if (!dquot_active(inode)) { @@ -1697,18 +1722,18 @@ int dquot_claim_space_nodirty(struct inode *inode, qsize_t number) return 0; } + dquots = i_dquot(inode); index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); /* Claim reserved quotas to allocated quotas */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { - if (i_dquot(inode)[cnt]) - dquot_claim_reserved_space(i_dquot(inode)[cnt], - number); + if (dquots[cnt]) + dquot_claim_reserved_space(dquots[cnt], number); } /* Update inode bytes */ inode_claim_rsv_space(inode, number); spin_unlock(&dq_data_lock); - mark_all_dquot_dirty(i_dquot(inode)); + mark_all_dquot_dirty(dquots); srcu_read_unlock(&dquot_srcu, index); return 0; } @@ -1719,6 +1744,7 @@ EXPORT_SYMBOL(dquot_claim_space_nodirty); */ void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number) { + struct dquot **dquots; int cnt, index; if (!dquot_active(inode)) { @@ -1726,18 +1752,18 @@ void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number) return; } + dquots = i_dquot(inode); index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); /* Claim reserved quotas to allocated quotas */ for (cnt = 0; cnt < MAXQUOTAS; cnt++) { - if (i_dquot(inode)[cnt]) - dquot_reclaim_reserved_space(i_dquot(inode)[cnt], - number); + if (dquots[cnt]) + dquot_reclaim_reserved_space(dquots[cnt], number); } /* Update inode bytes */ inode_reclaim_rsv_space(inode, number); spin_unlock(&dq_data_lock); - mark_all_dquot_dirty(i_dquot(inode)); + mark_all_dquot_dirty(dquots); srcu_read_unlock(&dquot_srcu, index); return; } @@ -1750,7 +1776,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags) { unsigned int cnt; struct dquot_warn warn[MAXQUOTAS]; - struct dquot **dquots = i_dquot(inode); + struct dquot **dquots; int reserve = flags & DQUOT_SPACE_RESERVE, index; if (!dquot_active(inode)) { @@ -1758,6 +1784,7 @@ void __dquot_free_space(struct inode *inode, qsize_t number, int flags) return; } + dquots = i_dquot(inode); index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -1793,12 +1820,13 @@ void dquot_free_inode(struct inode *inode) { unsigned int cnt; struct dquot_warn warn[MAXQUOTAS]; - struct dquot * const *dquots = i_dquot(inode); + struct dquot * const *dquots; int index; if (!dquot_active(inode)) return; + dquots = i_dquot(inode); index = srcu_read_lock(&dquot_srcu); spin_lock(&dq_data_lock); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { @@ -2161,7 +2189,8 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id, error = -EROFS; goto out_fmt; } - if (!sb->s_op->quota_write || !sb->s_op->quota_read) { + if (!sb->s_op->quota_write || !sb->s_op->quota_read || + (type == PRJQUOTA && sb->dq_op->get_projid == NULL)) { error = -EINVAL; goto out_fmt; } @@ -2614,55 +2643,73 @@ out: EXPORT_SYMBOL(dquot_set_dqblk); /* Generic routine for getting common part of quota file information */ -int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) +int dquot_get_state(struct super_block *sb, struct qc_state *state) { struct mem_dqinfo *mi; + struct qc_type_state *tstate; + struct quota_info *dqopt = sb_dqopt(sb); + int type; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!sb_has_quota_active(sb, type)) { - mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return -ESRCH; + memset(state, 0, sizeof(*state)); + for (type = 0; type < MAXQUOTAS; type++) { + if (!sb_has_quota_active(sb, type)) + continue; + tstate = state->s_state + type; + mi = sb_dqopt(sb)->info + type; + tstate->flags = QCI_ACCT_ENABLED; + spin_lock(&dq_data_lock); + if (mi->dqi_flags & DQF_SYS_FILE) + tstate->flags |= QCI_SYSFILE; + if (mi->dqi_flags & DQF_ROOT_SQUASH) + tstate->flags |= QCI_ROOT_SQUASH; + if (sb_has_quota_limits_enabled(sb, type)) + tstate->flags |= QCI_LIMITS_ENFORCED; + tstate->spc_timelimit = mi->dqi_bgrace; + tstate->ino_timelimit = mi->dqi_igrace; + tstate->ino = dqopt->files[type]->i_ino; + tstate->blocks = dqopt->files[type]->i_blocks; + tstate->nextents = 1; /* We don't know... */ + spin_unlock(&dq_data_lock); } - mi = sb_dqopt(sb)->info + type; - spin_lock(&dq_data_lock); - ii->dqi_bgrace = mi->dqi_bgrace; - ii->dqi_igrace = mi->dqi_igrace; - ii->dqi_flags = mi->dqi_flags & DQF_GETINFO_MASK; - ii->dqi_valid = IIF_ALL; - spin_unlock(&dq_data_lock); mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return 0; } -EXPORT_SYMBOL(dquot_get_dqinfo); +EXPORT_SYMBOL(dquot_get_state); /* Generic routine for setting common part of quota file information */ -int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) +int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii) { struct mem_dqinfo *mi; int err = 0; + if ((ii->i_fieldmask & QC_WARNS_MASK) || + (ii->i_fieldmask & QC_RT_SPC_TIMER)) + return -EINVAL; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); if (!sb_has_quota_active(sb, type)) { err = -ESRCH; goto out; } mi = sb_dqopt(sb)->info + type; - if (ii->dqi_valid & IIF_FLAGS) { - if (ii->dqi_flags & ~DQF_SETINFO_MASK || - (ii->dqi_flags & DQF_ROOT_SQUASH && + if (ii->i_fieldmask & QC_FLAGS) { + if ((ii->i_flags & QCI_ROOT_SQUASH && mi->dqi_format->qf_fmt_id != QFMT_VFS_OLD)) { err = -EINVAL; goto out; } } spin_lock(&dq_data_lock); - if (ii->dqi_valid & IIF_BGRACE) - mi->dqi_bgrace = ii->dqi_bgrace; - if (ii->dqi_valid & IIF_IGRACE) - mi->dqi_igrace = ii->dqi_igrace; - if (ii->dqi_valid & IIF_FLAGS) - mi->dqi_flags = (mi->dqi_flags & ~DQF_SETINFO_MASK) | - (ii->dqi_flags & DQF_SETINFO_MASK); + if (ii->i_fieldmask & QC_SPC_TIMER) + mi->dqi_bgrace = ii->i_spc_timelimit; + if (ii->i_fieldmask & QC_INO_TIMER) + mi->dqi_igrace = ii->i_ino_timelimit; + if (ii->i_fieldmask & QC_FLAGS) { + if (ii->i_flags & QCI_ROOT_SQUASH) + mi->dqi_flags |= DQF_ROOT_SQUASH; + else + mi->dqi_flags &= ~DQF_ROOT_SQUASH; + } spin_unlock(&dq_data_lock); mark_info_dirty(sb, type); /* Force write to disk */ @@ -2677,7 +2724,7 @@ const struct quotactl_ops dquot_quotactl_ops = { .quota_on = dquot_quota_on, .quota_off = dquot_quota_off, .quota_sync = dquot_quota_sync, - .get_info = dquot_get_dqinfo, + .get_state = dquot_get_state, .set_info = dquot_set_dqinfo, .get_dqblk = dquot_get_dqblk, .set_dqblk = dquot_set_dqblk @@ -2688,7 +2735,7 @@ const struct quotactl_ops dquot_quotactl_sysfile_ops = { .quota_enable = dquot_quota_enable, .quota_disable = dquot_quota_disable, .quota_sync = dquot_quota_sync, - .get_info = dquot_get_dqinfo, + .get_state = dquot_get_state, .set_info = dquot_set_dqinfo, .get_dqblk = dquot_get_dqblk, .set_dqblk = dquot_set_dqblk diff --git a/fs/quota/quota.c b/fs/quota/quota.c index d14a799c7785..86ded7375c21 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -118,13 +118,30 @@ static int quota_getfmt(struct super_block *sb, int type, void __user *addr) static int quota_getinfo(struct super_block *sb, int type, void __user *addr) { - struct if_dqinfo info; + struct qc_state state; + struct qc_type_state *tstate; + struct if_dqinfo uinfo; int ret; - if (!sb->s_qcop->get_info) + /* This checks whether qc_state has enough entries... */ + BUILD_BUG_ON(MAXQUOTAS > XQM_MAXQUOTAS); + if (!sb->s_qcop->get_state) return -ENOSYS; - ret = sb->s_qcop->get_info(sb, type, &info); - if (!ret && copy_to_user(addr, &info, sizeof(info))) + ret = sb->s_qcop->get_state(sb, &state); + if (ret) + return ret; + tstate = state.s_state + type; + if (!(tstate->flags & QCI_ACCT_ENABLED)) + return -ESRCH; + memset(&uinfo, 0, sizeof(uinfo)); + uinfo.dqi_bgrace = tstate->spc_timelimit; + uinfo.dqi_igrace = tstate->ino_timelimit; + if (tstate->flags & QCI_SYSFILE) + uinfo.dqi_flags |= DQF_SYS_FILE; + if (tstate->flags & QCI_ROOT_SQUASH) + uinfo.dqi_flags |= DQF_ROOT_SQUASH; + uinfo.dqi_valid = IIF_ALL; + if (!ret && copy_to_user(addr, &uinfo, sizeof(uinfo))) return -EFAULT; return ret; } @@ -132,12 +149,31 @@ static int quota_getinfo(struct super_block *sb, int type, void __user *addr) static int quota_setinfo(struct super_block *sb, int type, void __user *addr) { struct if_dqinfo info; + struct qc_info qinfo; if (copy_from_user(&info, addr, sizeof(info))) return -EFAULT; if (!sb->s_qcop->set_info) return -ENOSYS; - return sb->s_qcop->set_info(sb, type, &info); + if (info.dqi_valid & ~(IIF_FLAGS | IIF_BGRACE | IIF_IGRACE)) + return -EINVAL; + memset(&qinfo, 0, sizeof(qinfo)); + if (info.dqi_valid & IIF_FLAGS) { + if (info.dqi_flags & ~DQF_SETINFO_MASK) + return -EINVAL; + if (info.dqi_flags & DQF_ROOT_SQUASH) + qinfo.i_flags |= QCI_ROOT_SQUASH; + qinfo.i_fieldmask |= QC_FLAGS; + } + if (info.dqi_valid & IIF_BGRACE) { + qinfo.i_spc_timelimit = info.dqi_bgrace; + qinfo.i_fieldmask |= QC_SPC_TIMER; + } + if (info.dqi_valid & IIF_IGRACE) { + qinfo.i_ino_timelimit = info.dqi_igrace; + qinfo.i_fieldmask |= QC_INO_TIMER; + } + return sb->s_qcop->set_info(sb, type, &qinfo); } static inline qsize_t qbtos(qsize_t blocks) @@ -252,25 +288,149 @@ static int quota_disable(struct super_block *sb, void __user *addr) return sb->s_qcop->quota_disable(sb, flags); } +static int quota_state_to_flags(struct qc_state *state) +{ + int flags = 0; + + if (state->s_state[USRQUOTA].flags & QCI_ACCT_ENABLED) + flags |= FS_QUOTA_UDQ_ACCT; + if (state->s_state[USRQUOTA].flags & QCI_LIMITS_ENFORCED) + flags |= FS_QUOTA_UDQ_ENFD; + if (state->s_state[GRPQUOTA].flags & QCI_ACCT_ENABLED) + flags |= FS_QUOTA_GDQ_ACCT; + if (state->s_state[GRPQUOTA].flags & QCI_LIMITS_ENFORCED) + flags |= FS_QUOTA_GDQ_ENFD; + if (state->s_state[PRJQUOTA].flags & QCI_ACCT_ENABLED) + flags |= FS_QUOTA_PDQ_ACCT; + if (state->s_state[PRJQUOTA].flags & QCI_LIMITS_ENFORCED) + flags |= FS_QUOTA_PDQ_ENFD; + return flags; +} + +static int quota_getstate(struct super_block *sb, struct fs_quota_stat *fqs) +{ + int type; + struct qc_state state; + int ret; + + ret = sb->s_qcop->get_state(sb, &state); + if (ret < 0) + return ret; + + memset(fqs, 0, sizeof(*fqs)); + fqs->qs_version = FS_QSTAT_VERSION; + fqs->qs_flags = quota_state_to_flags(&state); + /* No quota enabled? */ + if (!fqs->qs_flags) + return -ENOSYS; + fqs->qs_incoredqs = state.s_incoredqs; + /* + * GETXSTATE quotactl has space for just one set of time limits so + * report them for the first enabled quota type + */ + for (type = 0; type < XQM_MAXQUOTAS; type++) + if (state.s_state[type].flags & QCI_ACCT_ENABLED) + break; + BUG_ON(type == XQM_MAXQUOTAS); + fqs->qs_btimelimit = state.s_state[type].spc_timelimit; + fqs->qs_itimelimit = state.s_state[type].ino_timelimit; + fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit; + fqs->qs_bwarnlimit = state.s_state[type].spc_warnlimit; + fqs->qs_iwarnlimit = state.s_state[type].ino_warnlimit; + if (state.s_state[USRQUOTA].flags & QCI_ACCT_ENABLED) { + fqs->qs_uquota.qfs_ino = state.s_state[USRQUOTA].ino; + fqs->qs_uquota.qfs_nblks = state.s_state[USRQUOTA].blocks; + fqs->qs_uquota.qfs_nextents = state.s_state[USRQUOTA].nextents; + } + if (state.s_state[GRPQUOTA].flags & QCI_ACCT_ENABLED) { + fqs->qs_gquota.qfs_ino = state.s_state[GRPQUOTA].ino; + fqs->qs_gquota.qfs_nblks = state.s_state[GRPQUOTA].blocks; + fqs->qs_gquota.qfs_nextents = state.s_state[GRPQUOTA].nextents; + } + if (state.s_state[PRJQUOTA].flags & QCI_ACCT_ENABLED) { + /* + * Q_XGETQSTAT doesn't have room for both group and project + * quotas. So, allow the project quota values to be copied out + * only if there is no group quota information available. + */ + if (!(state.s_state[GRPQUOTA].flags & QCI_ACCT_ENABLED)) { + fqs->qs_gquota.qfs_ino = state.s_state[PRJQUOTA].ino; + fqs->qs_gquota.qfs_nblks = + state.s_state[PRJQUOTA].blocks; + fqs->qs_gquota.qfs_nextents = + state.s_state[PRJQUOTA].nextents; + } + } + return 0; +} + static int quota_getxstate(struct super_block *sb, void __user *addr) { struct fs_quota_stat fqs; int ret; - if (!sb->s_qcop->get_xstate) + if (!sb->s_qcop->get_state) return -ENOSYS; - ret = sb->s_qcop->get_xstate(sb, &fqs); + ret = quota_getstate(sb, &fqs); if (!ret && copy_to_user(addr, &fqs, sizeof(fqs))) return -EFAULT; return ret; } +static int quota_getstatev(struct super_block *sb, struct fs_quota_statv *fqs) +{ + int type; + struct qc_state state; + int ret; + + ret = sb->s_qcop->get_state(sb, &state); + if (ret < 0) + return ret; + + memset(fqs, 0, sizeof(*fqs)); + fqs->qs_version = FS_QSTAT_VERSION; + fqs->qs_flags = quota_state_to_flags(&state); + /* No quota enabled? */ + if (!fqs->qs_flags) + return -ENOSYS; + fqs->qs_incoredqs = state.s_incoredqs; + /* + * GETXSTATV quotactl has space for just one set of time limits so + * report them for the first enabled quota type + */ + for (type = 0; type < XQM_MAXQUOTAS; type++) + if (state.s_state[type].flags & QCI_ACCT_ENABLED) + break; + BUG_ON(type == XQM_MAXQUOTAS); + fqs->qs_btimelimit = state.s_state[type].spc_timelimit; + fqs->qs_itimelimit = state.s_state[type].ino_timelimit; + fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit; + fqs->qs_bwarnlimit = state.s_state[type].spc_warnlimit; + fqs->qs_iwarnlimit = state.s_state[type].ino_warnlimit; + if (state.s_state[USRQUOTA].flags & QCI_ACCT_ENABLED) { + fqs->qs_uquota.qfs_ino = state.s_state[USRQUOTA].ino; + fqs->qs_uquota.qfs_nblks = state.s_state[USRQUOTA].blocks; + fqs->qs_uquota.qfs_nextents = state.s_state[USRQUOTA].nextents; + } + if (state.s_state[GRPQUOTA].flags & QCI_ACCT_ENABLED) { + fqs->qs_gquota.qfs_ino = state.s_state[GRPQUOTA].ino; + fqs->qs_gquota.qfs_nblks = state.s_state[GRPQUOTA].blocks; + fqs->qs_gquota.qfs_nextents = state.s_state[GRPQUOTA].nextents; + } + if (state.s_state[PRJQUOTA].flags & QCI_ACCT_ENABLED) { + fqs->qs_pquota.qfs_ino = state.s_state[PRJQUOTA].ino; + fqs->qs_pquota.qfs_nblks = state.s_state[PRJQUOTA].blocks; + fqs->qs_pquota.qfs_nextents = state.s_state[PRJQUOTA].nextents; + } + return 0; +} + static int quota_getxstatev(struct super_block *sb, void __user *addr) { struct fs_quota_statv fqs; int ret; - if (!sb->s_qcop->get_xstatev) + if (!sb->s_qcop->get_state) return -ENOSYS; memset(&fqs, 0, sizeof(fqs)); @@ -284,7 +444,7 @@ static int quota_getxstatev(struct super_block *sb, void __user *addr) default: return -EINVAL; } - ret = sb->s_qcop->get_xstatev(sb, &fqs); + ret = quota_getstatev(sb, &fqs); if (!ret && copy_to_user(addr, &fqs, sizeof(fqs))) return -EFAULT; return ret; @@ -357,6 +517,30 @@ static void copy_from_xfs_dqblk(struct qc_dqblk *dst, struct fs_disk_quota *src) dst->d_fieldmask |= QC_RT_SPACE; } +static void copy_qcinfo_from_xfs_dqblk(struct qc_info *dst, + struct fs_disk_quota *src) +{ + memset(dst, 0, sizeof(*dst)); + dst->i_spc_timelimit = src->d_btimer; + dst->i_ino_timelimit = src->d_itimer; + dst->i_rt_spc_timelimit = src->d_rtbtimer; + dst->i_ino_warnlimit = src->d_iwarns; + dst->i_spc_warnlimit = src->d_bwarns; + dst->i_rt_spc_warnlimit = src->d_rtbwarns; + if (src->d_fieldmask & FS_DQ_BWARNS) + dst->i_fieldmask |= QC_SPC_WARNS; + if (src->d_fieldmask & FS_DQ_IWARNS) + dst->i_fieldmask |= QC_INO_WARNS; + if (src->d_fieldmask & FS_DQ_RTBWARNS) + dst->i_fieldmask |= QC_RT_SPC_WARNS; + if (src->d_fieldmask & FS_DQ_BTIMER) + dst->i_fieldmask |= QC_SPC_TIMER; + if (src->d_fieldmask & FS_DQ_ITIMER) + dst->i_fieldmask |= QC_INO_TIMER; + if (src->d_fieldmask & FS_DQ_RTBTIMER) + dst->i_fieldmask |= QC_RT_SPC_TIMER; +} + static int quota_setxquota(struct super_block *sb, int type, qid_t id, void __user *addr) { @@ -371,6 +555,21 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id, qid = make_kqid(current_user_ns(), type, id); if (!qid_valid(qid)) return -EINVAL; + /* Are we actually setting timer / warning limits for all users? */ + if (from_kqid(&init_user_ns, qid) == 0 && + fdq.d_fieldmask & (FS_DQ_WARNS_MASK | FS_DQ_TIMER_MASK)) { + struct qc_info qinfo; + int ret; + + if (!sb->s_qcop->set_info) + return -EINVAL; + copy_qcinfo_from_xfs_dqblk(&qinfo, &fdq); + ret = sb->s_qcop->set_info(sb, type, &qinfo); + if (ret) + return ret; + /* These are already done */ + fdq.d_fieldmask &= ~(FS_DQ_WARNS_MASK | FS_DQ_TIMER_MASK); + } copy_from_xfs_dqblk(&qdq, &fdq); return sb->s_qcop->set_dqblk(sb, qid, &qdq); } diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c index d65877fbe8f4..58efb83dec1c 100644 --- a/fs/quota/quota_tree.c +++ b/fs/quota/quota_tree.c @@ -349,6 +349,13 @@ static inline int dq_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot) { int tmp = QT_TREEOFF; + +#ifdef __QUOTA_QT_PARANOIA + if (info->dqi_blocks <= QT_TREEOFF) { + quota_error(dquot->dq_sb, "Quota tree root isn't allocated!"); + return -EIO; + } +#endif return do_insert_tree(info, dquot, &tmp, 0); } diff --git a/fs/quota/quota_v2.c b/fs/quota/quota_v2.c index 9cb10d7197f7..2aa012a68e90 100644 --- a/fs/quota/quota_v2.c +++ b/fs/quota/quota_v2.c @@ -117,12 +117,16 @@ static int v2_read_file_info(struct super_block *sb, int type) qinfo = info->dqi_priv; if (version == 0) { /* limits are stored as unsigned 32-bit data */ - info->dqi_max_spc_limit = 0xffffffffULL << QUOTABLOCK_BITS; + info->dqi_max_spc_limit = 0xffffffffLL << QUOTABLOCK_BITS; info->dqi_max_ino_limit = 0xffffffff; } else { - /* used space is stored as unsigned 64-bit value in bytes */ - info->dqi_max_spc_limit = 0xffffffffffffffffULL; /* 2^64-1 */ - info->dqi_max_ino_limit = 0xffffffffffffffffULL; + /* + * Used space is stored as unsigned 64-bit value in bytes but + * quota core supports only signed 64-bit values so use that + * as a limit + */ + info->dqi_max_spc_limit = 0x7fffffffffffffffLL; /* 2^63-1 */ + info->dqi_max_ino_limit = 0x7fffffffffffffffLL; } info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); diff --git a/fs/quota/quotaio_v2.h b/fs/quota/quotaio_v2.h index f1966b42c2fd..4e95430093d9 100644 --- a/fs/quota/quotaio_v2.h +++ b/fs/quota/quotaio_v2.h @@ -13,12 +13,14 @@ */ #define V2_INITQMAGICS {\ 0xd9c01f11, /* USRQUOTA */\ - 0xd9c01927 /* GRPQUOTA */\ + 0xd9c01927, /* GRPQUOTA */\ + 0xd9c03f14, /* PRJQUOTA */\ } #define V2_INITQVERSIONS {\ 1, /* USRQUOTA */\ - 1 /* GRPQUOTA */\ + 1, /* GRPQUOTA */\ + 1, /* PRJQUOTA */\ } /* First generic header */ diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h index bb79cddf0a1f..2adcde137c3f 100644 --- a/fs/reiserfs/reiserfs.h +++ b/fs/reiserfs/reiserfs.h @@ -910,7 +910,6 @@ do { \ if (!(cond)) \ reiserfs_panic(NULL, "assertion failure", "(" #cond ") at " \ __FILE__ ":%i:%s: " format "\n", \ - in_interrupt() ? -1 : task_pid_nr(current), \ __LINE__, __func__ , ##args); \ } while (0) diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 71fbbe3e2dab..68b5f182984e 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -805,7 +805,7 @@ static const struct quotactl_ops reiserfs_qctl_operations = { .quota_on = reiserfs_quota_on, .quota_off = dquot_quota_off, .quota_sync = dquot_quota_sync, - .get_info = dquot_get_dqinfo, + .get_state = dquot_get_state, .set_info = dquot_set_dqinfo, .get_dqblk = dquot_get_dqblk, .set_dqblk = dquot_set_dqblk, diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 1ba2baaf4367..6d6a96b4e73f 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -21,7 +21,6 @@ #include "udfdecl.h" -#include <linux/buffer_head.h> #include <linux/bitops.h> #include "udf_i.h" @@ -63,15 +62,14 @@ static int __load_block_bitmap(struct super_block *sb, block_group, nr_groups); } - if (bitmap->s_block_bitmap[block_group]) { + if (bitmap->s_block_bitmap[block_group]) return block_group; - } else { - retval = read_block_bitmap(sb, bitmap, block_group, - block_group); - if (retval < 0) - return retval; - return block_group; - } + + retval = read_block_bitmap(sb, bitmap, block_group, block_group); + if (retval < 0) + return retval; + + return block_group; } static inline int load_block_bitmap(struct super_block *sb, @@ -358,7 +356,6 @@ static void udf_table_free_blocks(struct super_block *sb, struct kernel_lb_addr eloc; struct extent_position oepos, epos; int8_t etype; - int i; struct udf_inode_info *iinfo; mutex_lock(&sbi->s_alloc_mutex); @@ -425,7 +422,6 @@ static void udf_table_free_blocks(struct super_block *sb, } if (epos.bh != oepos.bh) { - i = -1; oepos.block = epos.block; brelse(oepos.bh); get_bh(epos.bh); @@ -762,7 +758,7 @@ inline int udf_prealloc_blocks(struct super_block *sb, uint32_t block_count) { struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; - sector_t allocated; + int allocated; if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) allocated = udf_bitmap_prealloc_blocks(sb, diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 05e90edd1992..541a12b5792d 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -30,7 +30,6 @@ #include <linux/errno.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/buffer_head.h> #include "udf_i.h" #include "udf_sb.h" diff --git a/fs/udf/directory.c b/fs/udf/directory.c index 3e44f575fb9c..c763fda257bf 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -16,7 +16,6 @@ #include <linux/fs.h> #include <linux/string.h> -#include <linux/buffer_head.h> struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos, struct udf_fileident_bh *fibh, diff --git a/fs/udf/file.c b/fs/udf/file.c index 74050bff64f4..f77f7681288f 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -33,7 +33,6 @@ #include <linux/capability.h> #include <linux/errno.h> #include <linux/pagemap.h> -#include <linux/buffer_head.h> #include <linux/uio.h> #include "udf_i.h" diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 9c1fbd23913d..9e3d780e5eff 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -33,7 +33,6 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/pagemap.h> -#include <linux/buffer_head.h> #include <linux/writeback.h> #include <linux/slab.h> #include <linux/crc-itu-t.h> @@ -1637,7 +1636,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) udf_get_lb_pblock(inode->i_sb, &iinfo->i_location, 0)); if (!bh) { udf_debug("getblk failure\n"); - return -ENOMEM; + return -EIO; } lock_buffer(bh); diff --git a/fs/udf/misc.c b/fs/udf/misc.c index c175b4dabc14..71d1c25f360d 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -23,7 +23,6 @@ #include <linux/fs.h> #include <linux/string.h> -#include <linux/buffer_head.h> #include <linux/crc-itu-t.h> #include "udf_i.h" diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 33b246b82c98..39661977c89c 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -27,7 +27,6 @@ #include <linux/errno.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/buffer_head.h> #include <linux/sched.h> #include <linux/crc-itu-t.h> #include <linux/exportfs.h> @@ -569,8 +568,8 @@ static int udf_add_nondir(struct dentry *dentry, struct inode *inode) *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL); udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); - if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) - mark_inode_dirty(dir); + dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); + mark_inode_dirty(dir); if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); @@ -683,6 +682,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); inc_nlink(dir); + dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); unlock_new_inode(inode); d_instantiate(dentry, inode); @@ -1024,6 +1024,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, inc_nlink(inode); inode->i_ctime = current_fs_time(inode->i_sb); mark_inode_dirty(inode); + dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); + mark_inode_dirty(dir); ihold(inode); d_instantiate(dentry, inode); @@ -1127,7 +1129,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, inode_dec_link_count(new_inode); } old_dir->i_ctime = old_dir->i_mtime = current_fs_time(old_dir->i_sb); + new_dir->i_ctime = new_dir->i_mtime = current_fs_time(new_dir->i_sb); mark_inode_dirty(old_dir); + mark_inode_dirty(new_dir); if (dir_fi) { dir_fi->icb.extLocation = cpu_to_lelb(UDF_I(new_dir)->i_location); diff --git a/fs/udf/partition.c b/fs/udf/partition.c index d6caf01a2097..5f861ed287c3 100644 --- a/fs/udf/partition.c +++ b/fs/udf/partition.c @@ -24,7 +24,6 @@ #include <linux/fs.h> #include <linux/string.h> -#include <linux/buffer_head.h> #include <linux/mutex.h> uint32_t udf_get_pblock(struct super_block *sb, uint32_t block, diff --git a/fs/udf/super.c b/fs/udf/super.c index f169411c4ea0..6299f341967b 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -48,7 +48,6 @@ #include <linux/stat.h> #include <linux/cdrom.h> #include <linux/nls.h> -#include <linux/buffer_head.h> #include <linux/vfs.h> #include <linux/vmalloc.h> #include <linux/errno.h> diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index ac10ca939f26..8dfbc4025e2f 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -27,7 +27,6 @@ #include <linux/mm.h> #include <linux/stat.h> #include <linux/pagemap.h> -#include <linux/buffer_head.h> #include "udf_i.h" static int udf_pc_to_char(struct super_block *sb, unsigned char *from, diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 8a9657d7f7c6..42b8c57795cb 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -22,7 +22,6 @@ #include "udfdecl.h" #include <linux/fs.h> #include <linux/mm.h> -#include <linux/buffer_head.h> #include "udf_i.h" #include "udf_sb.h" diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h index 0d4d3590cf85..996a04064894 100644 --- a/fs/xfs/xfs_qm.h +++ b/fs/xfs/xfs_qm.h @@ -168,10 +168,6 @@ extern int xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t, uint, struct qc_dqblk *); extern int xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint, struct qc_dqblk *); -extern int xfs_qm_scall_getqstat(struct xfs_mount *, - struct fs_quota_stat *); -extern int xfs_qm_scall_getqstatv(struct xfs_mount *, - struct fs_quota_statv *); extern int xfs_qm_scall_quotaon(struct xfs_mount *, uint); extern int xfs_qm_scall_quotaoff(struct xfs_mount *, uint); diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 9b965db45800..9a25c9275fb3 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -38,7 +38,6 @@ 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); /* * Turn off quota accounting and/or enforcement for all udquots and/or @@ -389,159 +388,6 @@ xfs_qm_scall_quotaon( return 0; } - -/* - * Return quota status information, such as uquota-off, enforcements, etc. - * for Q_XGETQSTAT command. - */ -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 = NULL; - struct xfs_inode *gip = NULL; - struct xfs_inode *pip = NULL; - bool tempuqip = false; - bool tempgqip = false; - bool temppqip = false; - - memset(out, 0, sizeof(fs_quota_stat_t)); - - out->qs_version = FS_QSTAT_VERSION; - out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & - (XFS_ALL_QUOTA_ACCT| - XFS_ALL_QUOTA_ENFD)); - uip = q->qi_uquotaip; - gip = q->qi_gquotaip; - pip = q->qi_pquotaip; - if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { - if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, - 0, 0, &uip) == 0) - tempuqip = true; - } - if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { - if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, - 0, 0, &gip) == 0) - tempgqip = true; - } - /* - * Q_XGETQSTAT doesn't have room for both group and project quotas. - * So, allow the project quota values to be copied out only if - * there is no group quota information available. - */ - if (!gip) { - if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { - if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, - 0, 0, &pip) == 0) - temppqip = true; - } - } else - pip = NULL; - if (uip) { - out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; - 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_ino = mp->m_sb.sb_gquotino; - 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 (pip) { - out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; - out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks; - out->qs_gquota.qfs_nextents = pip->i_d.di_nextents; - if (temppqip) - IRELE(pip); - } - 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; -} - -/* - * Return quota status information, such as uquota-off, enforcements, etc. - * for Q_XGETQSTATV command, to support separate project quota field. - */ -int -xfs_qm_scall_getqstatv( - struct xfs_mount *mp, - struct fs_quota_statv *out) -{ - struct xfs_quotainfo *q = mp->m_quotainfo; - struct xfs_inode *uip = NULL; - struct xfs_inode *gip = NULL; - struct xfs_inode *pip = NULL; - bool tempuqip = false; - bool tempgqip = false; - bool temppqip = false; - - out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & - (XFS_ALL_QUOTA_ACCT| - XFS_ALL_QUOTA_ENFD)); - out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; - out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; - out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino; - - uip = q->qi_uquotaip; - gip = q->qi_gquotaip; - pip = q->qi_pquotaip; - if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { - if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, - 0, 0, &uip) == 0) - tempuqip = true; - } - if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { - if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, - 0, 0, &gip) == 0) - tempgqip = true; - } - if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { - if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, - 0, 0, &pip) == 0) - temppqip = 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 (pip) { - out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks; - out->qs_pquota.qfs_nextents = pip->i_d.di_nextents; - if (temppqip) - IRELE(pip); - } - 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_QC_MASK \ (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK) @@ -873,28 +719,6 @@ out_put: return error; } -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_GQUOTA_ACCT) - uflags |= FS_QUOTA_GDQ_ACCT; - if (flags & XFS_PQUOTA_ACCT) - uflags |= FS_QUOTA_PDQ_ACCT; - if (flags & XFS_UQUOTA_ENFD) - uflags |= FS_QUOTA_UDQ_ENFD; - if (flags & XFS_GQUOTA_ENFD) - uflags |= FS_QUOTA_GDQ_ENFD; - if (flags & XFS_PQUOTA_ENFD) - uflags |= FS_QUOTA_PDQ_ENFD; - return uflags; -} - STATIC int xfs_dqrele_inode( diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c index 6923905ab33d..7795e0d01382 100644 --- a/fs/xfs/xfs_quotaops.c +++ b/fs/xfs/xfs_quotaops.c @@ -23,10 +23,81 @@ #include "xfs_inode.h" #include "xfs_quota.h" #include "xfs_trans.h" +#include "xfs_trace.h" +#include "xfs_icache.h" #include "xfs_qm.h" #include <linux/quota.h> +static void +xfs_qm_fill_state( + struct qc_type_state *tstate, + struct xfs_mount *mp, + struct xfs_inode *ip, + xfs_ino_t ino) +{ + struct xfs_quotainfo *q = mp->m_quotainfo; + bool tempqip = false; + + tstate->ino = ino; + if (!ip && ino == NULLFSINO) + return; + if (!ip) { + if (xfs_iget(mp, NULL, ino, 0, 0, &ip)) + return; + tempqip = true; + } + tstate->flags |= QCI_SYSFILE; + tstate->blocks = ip->i_d.di_nblocks; + tstate->nextents = ip->i_d.di_nextents; + tstate->spc_timelimit = q->qi_btimelimit; + tstate->ino_timelimit = q->qi_itimelimit; + tstate->rt_spc_timelimit = q->qi_rtbtimelimit; + tstate->spc_warnlimit = q->qi_bwarnlimit; + tstate->ino_warnlimit = q->qi_iwarnlimit; + tstate->rt_spc_warnlimit = q->qi_rtbwarnlimit; + if (tempqip) + IRELE(ip); +} + +/* + * Return quota status information, such as enforcements, quota file inode + * numbers etc. + */ +static int +xfs_fs_get_quota_state( + struct super_block *sb, + struct qc_state *state) +{ + struct xfs_mount *mp = XFS_M(sb); + struct xfs_quotainfo *q = mp->m_quotainfo; + + memset(state, 0, sizeof(*state)); + if (!XFS_IS_QUOTA_RUNNING(mp)) + return 0; + state->s_incoredqs = q->qi_dquots; + if (XFS_IS_UQUOTA_RUNNING(mp)) + state->s_state[USRQUOTA].flags |= QCI_ACCT_ENABLED; + if (XFS_IS_UQUOTA_ENFORCED(mp)) + state->s_state[USRQUOTA].flags |= QCI_LIMITS_ENFORCED; + if (XFS_IS_GQUOTA_RUNNING(mp)) + state->s_state[GRPQUOTA].flags |= QCI_ACCT_ENABLED; + if (XFS_IS_GQUOTA_ENFORCED(mp)) + state->s_state[GRPQUOTA].flags |= QCI_LIMITS_ENFORCED; + if (XFS_IS_PQUOTA_RUNNING(mp)) + state->s_state[PRJQUOTA].flags |= QCI_ACCT_ENABLED; + if (XFS_IS_PQUOTA_ENFORCED(mp)) + state->s_state[PRJQUOTA].flags |= QCI_LIMITS_ENFORCED; + + xfs_qm_fill_state(&state->s_state[USRQUOTA], mp, q->qi_uquotaip, + mp->m_sb.sb_uquotino); + xfs_qm_fill_state(&state->s_state[GRPQUOTA], mp, q->qi_gquotaip, + mp->m_sb.sb_gquotino); + xfs_qm_fill_state(&state->s_state[PRJQUOTA], mp, q->qi_pquotaip, + mp->m_sb.sb_pquotino); + return 0; +} + STATIC int xfs_quota_type(int type) { @@ -40,28 +111,40 @@ xfs_quota_type(int type) } } -STATIC int -xfs_fs_get_xstate( +#define XFS_QC_SETINFO_MASK (QC_TIMER_MASK | QC_WARNS_MASK) + +/* + * Adjust quota timers & warnings + */ +static int +xfs_fs_set_info( struct super_block *sb, - struct fs_quota_stat *fqs) + int type, + struct qc_info *info) { - struct xfs_mount *mp = XFS_M(sb); + struct xfs_mount *mp = XFS_M(sb); + struct qc_dqblk newlim; + if (sb->s_flags & MS_RDONLY) + return -EROFS; if (!XFS_IS_QUOTA_RUNNING(mp)) return -ENOSYS; - return xfs_qm_scall_getqstat(mp, fqs); -} + if (!XFS_IS_QUOTA_ON(mp)) + return -ESRCH; + if (info->i_fieldmask & ~XFS_QC_SETINFO_MASK) + return -EINVAL; + if ((info->i_fieldmask & XFS_QC_SETINFO_MASK) == 0) + return 0; -STATIC int -xfs_fs_get_xstatev( - struct super_block *sb, - struct fs_quota_statv *fqs) -{ - struct xfs_mount *mp = XFS_M(sb); + newlim.d_fieldmask = info->i_fieldmask; + newlim.d_spc_timer = info->i_spc_timelimit; + newlim.d_ino_timer = info->i_ino_timelimit; + newlim.d_rt_spc_timer = info->i_rt_spc_timelimit; + newlim.d_ino_warns = info->i_ino_warnlimit; + newlim.d_spc_warns = info->i_spc_warnlimit; + newlim.d_rt_spc_warns = info->i_rt_spc_warnlimit; - if (!XFS_IS_QUOTA_RUNNING(mp)) - return -ENOSYS; - return xfs_qm_scall_getqstatv(mp, fqs); + return xfs_qm_scall_setqlim(mp, 0, xfs_quota_type(type), &newlim); } static unsigned int @@ -178,8 +261,8 @@ xfs_fs_set_dqblk( } const struct quotactl_ops xfs_quotactl_operations = { - .get_xstatev = xfs_fs_get_xstatev, - .get_xstate = xfs_fs_get_xstate, + .get_state = xfs_fs_get_quota_state, + .set_info = xfs_fs_set_info, .quota_enable = xfs_quota_enable, .quota_disable = xfs_quota_disable, .rm_xquota = xfs_fs_rm_xquota, diff --git a/include/linux/quota.h b/include/linux/quota.h index d534e8ed308a..b2505acfd3c0 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -50,6 +50,7 @@ #undef USRQUOTA #undef GRPQUOTA +#undef PRJQUOTA enum quota_type { USRQUOTA = 0, /* element used for user quotas */ GRPQUOTA = 1, /* element used for group quotas */ @@ -319,6 +320,7 @@ struct dquot_operations { /* get reserved quota for delayed alloc, value returned is managed by * quota code only */ qsize_t *(*get_reserved_space) (struct inode *); + int (*get_projid) (struct inode *, kprojid_t *);/* Get project ID */ }; struct path; @@ -344,7 +346,10 @@ struct qc_dqblk { int d_rt_spc_warns; /* # warnings issued wrt RT space */ }; -/* Field specifiers for ->set_dqblk() in struct qc_dqblk */ +/* + * Field specifiers for ->set_dqblk() in struct qc_dqblk and also for + * ->set_info() in struct qc_info + */ #define QC_INO_SOFT (1<<0) #define QC_INO_HARD (1<<1) #define QC_SPC_SOFT (1<<2) @@ -365,6 +370,51 @@ struct qc_dqblk { #define QC_INO_COUNT (1<<13) #define QC_RT_SPACE (1<<14) #define QC_ACCT_MASK (QC_SPACE | QC_INO_COUNT | QC_RT_SPACE) +#define QC_FLAGS (1<<15) + +#define QCI_SYSFILE (1 << 0) /* Quota file is hidden from userspace */ +#define QCI_ROOT_SQUASH (1 << 1) /* Root squash turned on */ +#define QCI_ACCT_ENABLED (1 << 2) /* Quota accounting enabled */ +#define QCI_LIMITS_ENFORCED (1 << 3) /* Quota limits enforced */ + +/* Structures for communicating via ->get_state */ +struct qc_type_state { + unsigned int flags; /* Flags QCI_* */ + unsigned int spc_timelimit; /* Time after which space softlimit is + * enforced */ + unsigned int ino_timelimit; /* Ditto for inode softlimit */ + unsigned int rt_spc_timelimit; /* Ditto for real-time space */ + unsigned int spc_warnlimit; /* Limit for number of space warnings */ + unsigned int ino_warnlimit; /* Ditto for inodes */ + unsigned int rt_spc_warnlimit; /* Ditto for real-time space */ + unsigned long long ino; /* Inode number of quota file */ + blkcnt_t blocks; /* Number of 512-byte blocks in the file */ + blkcnt_t nextents; /* Number of extents in the file */ +}; + +struct qc_state { + unsigned int s_incoredqs; /* Number of dquots in core */ + /* + * Per quota type information. The array should really have + * max(MAXQUOTAS, XQM_MAXQUOTAS) entries. BUILD_BUG_ON in + * quota_getinfo() makes sure XQM_MAXQUOTAS is large enough. Once VFS + * supports project quotas, this can be changed to MAXQUOTAS + */ + struct qc_type_state s_state[XQM_MAXQUOTAS]; +}; + +/* Structure for communicating via ->set_info */ +struct qc_info { + int i_fieldmask; /* mask of fields to change in ->set_info() */ + unsigned int i_flags; /* Flags QCI_* */ + unsigned int i_spc_timelimit; /* Time after which space softlimit is + * enforced */ + unsigned int i_ino_timelimit; /* Ditto for inode softlimit */ + unsigned int i_rt_spc_timelimit;/* Ditto for real-time space */ + unsigned int i_spc_warnlimit; /* Limit for number of space warnings */ + unsigned int i_ino_warnlimit; /* Limit for number of inode warnings */ + unsigned int i_rt_spc_warnlimit; /* Ditto for real-time space */ +}; /* Operations handling requests from userspace */ struct quotactl_ops { @@ -373,12 +423,10 @@ struct quotactl_ops { int (*quota_enable)(struct super_block *, unsigned int); int (*quota_disable)(struct super_block *, unsigned int); int (*quota_sync)(struct super_block *, int); - int (*get_info)(struct super_block *, int, struct if_dqinfo *); - int (*set_info)(struct super_block *, int, struct if_dqinfo *); + int (*set_info)(struct super_block *, int, struct qc_info *); int (*get_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *); int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *); - int (*get_xstate)(struct super_block *, struct fs_quota_stat *); - int (*get_xstatev)(struct super_block *, struct fs_quota_statv *); + int (*get_state)(struct super_block *, struct qc_state *); int (*rm_xquota)(struct super_block *, unsigned int); }; @@ -389,7 +437,19 @@ struct quota_format_type { struct quota_format_type *qf_next; }; -/* Quota state flags - they actually come in two flavors - for users and groups */ +/** + * Quota state flags - they actually come in two flavors - for users and groups. + * + * Actual typed flags layout: + * USRQUOTA GRPQUOTA + * DQUOT_USAGE_ENABLED 0x0001 0x0002 + * DQUOT_LIMITS_ENABLED 0x0004 0x0008 + * DQUOT_SUSPENDED 0x0010 0x0020 + * + * Following bits are used for non-typed flags: + * DQUOT_QUOTA_SYS_FILE 0x0040 + * DQUOT_NEGATIVE_USAGE 0x0080 + */ enum { _DQUOT_USAGE_ENABLED = 0, /* Track disk usage for users */ _DQUOT_LIMITS_ENABLED, /* Enforce quota limits for users */ @@ -398,9 +458,9 @@ enum { * memory to turn them on */ _DQUOT_STATE_FLAGS }; -#define DQUOT_USAGE_ENABLED (1 << _DQUOT_USAGE_ENABLED) -#define DQUOT_LIMITS_ENABLED (1 << _DQUOT_LIMITS_ENABLED) -#define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED) +#define DQUOT_USAGE_ENABLED (1 << _DQUOT_USAGE_ENABLED * MAXQUOTAS) +#define DQUOT_LIMITS_ENABLED (1 << _DQUOT_LIMITS_ENABLED * MAXQUOTAS) +#define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED * MAXQUOTAS) #define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \ DQUOT_SUSPENDED) /* Other quota flags */ @@ -414,15 +474,21 @@ enum { */ #define DQUOT_NEGATIVE_USAGE (1 << (DQUOT_STATE_LAST + 1)) /* Allow negative quota usage */ - static inline unsigned int dquot_state_flag(unsigned int flags, int type) { - return flags << _DQUOT_STATE_FLAGS * type; + return flags << type; } static inline unsigned int dquot_generic_flag(unsigned int flags, int type) { - return (flags >> _DQUOT_STATE_FLAGS * type) & DQUOT_STATE_FLAGS; + return (flags >> type) & DQUOT_STATE_FLAGS; +} + +/* Bitmap of quota types where flag is set in flags */ +static __always_inline unsigned dquot_state_types(unsigned flags, unsigned flag) +{ + BUILD_BUG_ON_NOT_POWER_OF_2(flag); + return (flags / flag) & ((1 << MAXQUOTAS) - 1); } #ifdef CONFIG_QUOTA_NETLINK_INTERFACE diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index df73258cca47..77ca6601ff25 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -95,8 +95,8 @@ int dquot_quota_on_mount(struct super_block *sb, char *qf_name, int dquot_quota_off(struct super_block *sb, int type); int dquot_writeback_dquots(struct super_block *sb, int type); int dquot_quota_sync(struct super_block *sb, int type); -int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); -int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); +int dquot_get_state(struct super_block *sb, struct qc_state *state); +int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii); int dquot_get_dqblk(struct super_block *sb, struct kqid id, struct qc_dqblk *di); int dquot_set_dqblk(struct super_block *sb, struct kqid id, @@ -134,10 +134,7 @@ static inline bool sb_has_quota_suspended(struct super_block *sb, int type) static inline unsigned sb_any_quota_suspended(struct super_block *sb) { - unsigned type, tmsk = 0; - for (type = 0; type < MAXQUOTAS; type++) - tmsk |= sb_has_quota_suspended(sb, type) << type; - return tmsk; + return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_SUSPENDED); } /* Does kernel know about any quota information for given sb + type? */ @@ -149,10 +146,7 @@ static inline bool sb_has_quota_loaded(struct super_block *sb, int type) static inline unsigned sb_any_quota_loaded(struct super_block *sb) { - unsigned type, tmsk = 0; - for (type = 0; type < MAXQUOTAS; type++) - tmsk |= sb_has_quota_loaded(sb, type) << type; - return tmsk; + return dquot_state_types(sb_dqopt(sb)->flags, DQUOT_USAGE_ENABLED); } static inline bool sb_has_quota_active(struct super_block *sb, int type) diff --git a/include/uapi/linux/quota.h b/include/uapi/linux/quota.h index 1f49b8341c99..9c95b2c1c88a 100644 --- a/include/uapi/linux/quota.h +++ b/include/uapi/linux/quota.h @@ -36,11 +36,12 @@ #include <linux/errno.h> #include <linux/types.h> -#define __DQUOT_VERSION__ "dquot_6.5.2" +#define __DQUOT_VERSION__ "dquot_6.6.0" -#define MAXQUOTAS 2 +#define MAXQUOTAS 3 #define USRQUOTA 0 /* element used for user quotas */ #define GRPQUOTA 1 /* element used for group quotas */ +#define PRJQUOTA 2 /* element used for project quotas */ /* * Definitions for the default names of the quotas files. @@ -48,6 +49,7 @@ #define INITQFNAMES { \ "user", /* USRQUOTA */ \ "group", /* GRPQUOTA */ \ + "project", /* PRJQUOTA */ \ "undefined", \ }; |