.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
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;
}
.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
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;
}
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,
};
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;
}
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
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;
}
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;
* 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) {
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);
}
/* 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
*/
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:
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);
void dquot_drop(struct inode *inode)
{
+ struct dquot * const *dquots;
int cnt;
if (IS_NOQUOTA(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;
}
{
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);
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++) {
{
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++) {
*/
int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
{
+ struct dquot **dquots;
int cnt, index;
if (!dquot_active(inode)) {
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;
}
*/
void dquot_reclaim_space_nodirty(struct inode *inode, qsize_t number)
{
+ struct dquot **dquots;
int cnt, index;
if (!dquot_active(inode)) {
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;
}
{
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)) {
return;
}
+ dquots = i_dquot(inode);
index = srcu_read_lock(&dquot_srcu);
spin_lock(&dq_data_lock);
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
{
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++) {
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;
}
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 */
.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
.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
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;
}
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)
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));
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;
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)
{
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);
}
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);
}
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);
*/
#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 */
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)
.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,
#include "udfdecl.h"
-#include <linux/buffer_head.h>
#include <linux/bitops.h>
#include "udf_i.h"
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,
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);
}
if (epos.bh != oepos.bh) {
- i = -1;
oepos.block = epos.block;
brelse(oepos.bh);
get_bh(epos.bh);
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,
#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"
#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,
#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"
#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>
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);
#include <linux/fs.h>
#include <linux/string.h>
-#include <linux/buffer_head.h>
#include <linux/crc-itu-t.h>
#include "udf_i.h"
#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>
*(__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);
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);
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);
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);
#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,
#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>
#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,
#include "udfdecl.h"
#include <linux/fs.h>
#include <linux/mm.h>
-#include <linux/buffer_head.h>
#include "udf_i.h"
#include "udf_sb.h"
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);
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
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)
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(
#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)
{
}
}
-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
}
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,
#undef USRQUOTA
#undef GRPQUOTA
+#undef PRJQUOTA
enum quota_type {
USRQUOTA = 0, /* element used for user quotas */
GRPQUOTA = 1, /* element used for group quotas */
/* 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;
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)
#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 {
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);
};
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 */
* 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 */
*/
#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
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,
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? */
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)
#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.
#define INITQFNAMES { \
"user", /* USRQUOTA */ \
"group", /* GRPQUOTA */ \
+ "project", /* PRJQUOTA */ \
"undefined", \
};
projects / linux-2.6-block.git / commitdiff