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-rw-r--r--fs/ext3/super.c2
-rw-r--r--fs/ext4/super.c2
-rw-r--r--fs/gfs2/quota.c28
-rw-r--r--fs/quota/dquot.c68
-rw-r--r--fs/quota/quota.c217
-rw-r--r--fs/reiserfs/super.c2
-rw-r--r--fs/xfs/xfs_qm.h4
-rw-r--r--fs/xfs/xfs_qm_syscalls.c176
-rw-r--r--fs/xfs/xfs_quotaops.c117
-rw-r--r--include/linux/quota.h56
-rw-r--r--include/linux/quotaops.h4
11 files changed, 422 insertions, 254 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/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 3aa17d4d1cfc..fa54cbf4c866 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1468,32 +1468,34 @@ 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;
}
@@ -1638,7 +1640,7 @@ 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 2112ed33de41..327a58448592 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2629,55 +2629,73 @@ 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 */
@@ -2692,7 +2710,7 @@ 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
@@ -2703,7 +2721,7 @@ 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/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/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 a3374dc3a91b..cf910d1f8efa 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -344,7 +344,10 @@ 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 +368,51 @@ 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 +421,10 @@ 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);
};
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 8778ec4775eb..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,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.