+static const char *op_quotafile[] = { "lquota.user", "lquota.group" };
+
+#define DQINFO_COPY(out, in) \
+do { \
+ Q_COPY(out, in, dqi_bgrace); \
+ Q_COPY(out, in, dqi_igrace); \
+ Q_COPY(out, in, dqi_flags); \
+ Q_COPY(out, in, dqi_valid); \
+} while (0)
+
+#define DQBLK_COPY(out, in) \
+do { \
+ Q_COPY(out, in, dqb_bhardlimit); \
+ Q_COPY(out, in, dqb_bsoftlimit); \
+ Q_COPY(out, in, dqb_curspace); \
+ Q_COPY(out, in, dqb_ihardlimit); \
+ Q_COPY(out, in, dqb_isoftlimit); \
+ Q_COPY(out, in, dqb_curinodes); \
+ Q_COPY(out, in, dqb_btime); \
+ Q_COPY(out, in, dqb_itime); \
+ Q_COPY(out, in, dqb_valid); \
+} while (0)
+
+
+
+static int fsfilt_ext3_quotactl(struct super_block *sb,
+ struct obd_quotactl *oqc)
+{
+ int i, rc = 0, error = 0;
+ struct quotactl_ops *qcop;
+ struct if_dqinfo *info;
+ struct if_dqblk *dqblk;
+ ENTRY;
+
+ if (!sb->s_qcop)
+ RETURN(-ENOSYS);
+
+ OBD_ALLOC_PTR(info);
+ if (!info)
+ RETURN(-ENOMEM);
+ OBD_ALLOC_PTR(dqblk);
+ if (!dqblk) {
+ OBD_FREE_PTR(info);
+ RETURN(-ENOMEM);
+ }
+
+ DQINFO_COPY(info, &oqc->qc_dqinfo);
+ DQBLK_COPY(dqblk, &oqc->qc_dqblk);
+
+ qcop = sb->s_qcop;
+ if (oqc->qc_cmd == Q_QUOTAON || oqc->qc_cmd == Q_QUOTAOFF) {
+ for (i = 0; i < MAXQUOTAS; i++) {
+ if (!Q_TYPESET(oqc, i))
+ continue;
+
+ if (oqc->qc_cmd == Q_QUOTAON) {
+ if (!qcop->quota_on)
+ GOTO(out, rc = -ENOSYS);
+ rc = qcop->quota_on(sb, i, oqc->qc_id,
+ (char *)op_quotafile[i]);
+ } else if (oqc->qc_cmd == Q_QUOTAOFF) {
+ if (!qcop->quota_off)
+ GOTO(out, rc = -ENOSYS);
+ rc = qcop->quota_off(sb, i);
+ }
+
+ if (rc == -EBUSY)
+ error = rc;
+ else if (rc)
+ GOTO(out, rc);
+ }
+ GOTO(out, rc ?: error);
+ }
+
+ switch (oqc->qc_cmd) {
+ case Q_GETOINFO:
+ case Q_GETINFO:
+ if (!qcop->get_info)
+ GOTO(out, rc = -ENOSYS);
+ rc = qcop->get_info(sb, oqc->qc_type, info);
+ break;
+ case Q_SETQUOTA:
+ case Q_INITQUOTA:
+ if (!qcop->set_dqblk)
+ GOTO(out, rc = -ENOSYS);
+ rc = qcop->set_dqblk(sb, oqc->qc_type, oqc->qc_id, dqblk);
+ break;
+ case Q_GETOQUOTA:
+ case Q_GETQUOTA:
+ if (!qcop->get_dqblk)
+ GOTO(out, rc = -ENOSYS);
+ rc = qcop->get_dqblk(sb, oqc->qc_type, oqc->qc_id, dqblk);
+ break;
+ case Q_SYNC:
+ if (!sb->s_qcop->quota_sync)
+ GOTO(out, rc = -ENOSYS);
+ qcop->quota_sync(sb, oqc->qc_type);
+ break;
+ default:
+ CERROR("unsupported quotactl command: %d", oqc->qc_cmd);
+ LBUG();
+ }
+out:
+ DQINFO_COPY(&oqc->qc_dqinfo, info);
+ DQBLK_COPY(&oqc->qc_dqblk, dqblk);
+
+ OBD_FREE_PTR(info);
+ OBD_FREE_PTR(dqblk);
+
+ if (rc)
+ CDEBUG(D_QUOTA, "quotactl command %#x, id %u, type %d "
+ "failed: %d\n",
+ oqc->qc_cmd, oqc->qc_id, oqc->qc_type, rc);
+ RETURN(rc);
+}
+
+struct chk_dqblk{
+ struct hlist_node dqb_hash; /* quotacheck hash */
+ struct list_head dqb_list; /* in list also */
+ qid_t dqb_id; /* uid/gid */
+ short dqb_type; /* USRQUOTA/GRPQUOTA */
+ __u32 dqb_bhardlimit; /* block hard limit */
+ __u32 dqb_bsoftlimit; /* block soft limit */
+ qsize_t dqb_curspace; /* current space */
+ __u32 dqb_ihardlimit; /* inode hard limit */
+ __u32 dqb_isoftlimit; /* inode soft limit */
+ __u32 dqb_curinodes; /* current inodes */
+ __u64 dqb_btime; /* block grace time */
+ __u64 dqb_itime; /* inode grace time */
+ __u32 dqb_valid; /* flag for above fields */
+};