Merge branch 'quota_interface' into for_next_testing

1 files changed, 43 insertions, 25 deletions

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