371 	struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);  in bh_get()  local
387 	bh_map.b_size = 1 << ip->i_inode.i_blkbits;  in bh_get()
388 	error = gfs2_block_map(&ip->i_inode, block, &bh_map, 0);  in bh_get()
391 	error = gfs2_meta_read(ip->i_gl, bh_map.b_blocknr, DIO_WAIT, &bh);  in bh_get()
530 int gfs2_quota_hold(struct gfs2_inode *ip, kuid_t uid, kgid_t gid)  in gfs2_quota_hold()  argument
532 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_quota_hold()
536 	if (ip->i_res == NULL) {  in gfs2_quota_hold()
537 		error = gfs2_rs_alloc(ip);  in gfs2_quota_hold()
542 	qd = ip->i_res->rs_qa_qd;  in gfs2_quota_hold()
544 	if (gfs2_assert_warn(sdp, !ip->i_res->rs_qa_qd_num) ||  in gfs2_quota_hold()
545 	    gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags)))  in gfs2_quota_hold()
551 	error = qdsb_get(sdp, make_kqid_uid(ip->i_inode.i_uid), qd);  in gfs2_quota_hold()
554 	ip->i_res->rs_qa_qd_num++;  in gfs2_quota_hold()
557 	error = qdsb_get(sdp, make_kqid_gid(ip->i_inode.i_gid), qd);  in gfs2_quota_hold()
560 	ip->i_res->rs_qa_qd_num++;  in gfs2_quota_hold()
564 	    !uid_eq(uid, ip->i_inode.i_uid)) {  in gfs2_quota_hold()
568 		ip->i_res->rs_qa_qd_num++;  in gfs2_quota_hold()
573 	    !gid_eq(gid, ip->i_inode.i_gid)) {  in gfs2_quota_hold()
577 		ip->i_res->rs_qa_qd_num++;  in gfs2_quota_hold()
583 		gfs2_quota_unhold(ip);  in gfs2_quota_hold()
587 void gfs2_quota_unhold(struct gfs2_inode *ip)  in gfs2_quota_unhold()  argument
589 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_quota_unhold()
592 	if (ip->i_res == NULL)  in gfs2_quota_unhold()
594 	gfs2_assert_warn(sdp, !test_bit(GIF_QD_LOCKED, &ip->i_flags));  in gfs2_quota_unhold()
596 	for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {  in gfs2_quota_unhold()
597 		qdsb_put(ip->i_res->rs_qa_qd[x]);  in gfs2_quota_unhold()
598 		ip->i_res->rs_qa_qd[x] = NULL;  in gfs2_quota_unhold()
600 	ip->i_res->rs_qa_qd_num = 0;  in gfs2_quota_unhold()
618 	struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);  in do_qc()  local
623 	gfs2_trans_add_meta(ip->i_gl, qd->qd_bh);  in do_qc()
657 static int gfs2_write_buf_to_page(struct gfs2_inode *ip, unsigned long index,  in gfs2_write_buf_to_page()  argument
660 	struct inode *inode = &ip->i_inode;  in gfs2_write_buf_to_page()
705 		gfs2_trans_add_data(ip->i_gl, bh);  in gfs2_write_buf_to_page()
733 static int gfs2_write_disk_quota(struct gfs2_inode *ip, struct gfs2_quota *qp,  in gfs2_write_disk_quota()  argument
753 	error = gfs2_write_buf_to_page(ip, pg_beg, pg_off, ptr,  in gfs2_write_disk_quota()
757 		error = gfs2_write_buf_to_page(ip, pg_beg + 1, 0,  in gfs2_write_disk_quota()
777 static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,  in gfs2_adjust_quota()  argument
781 	struct inode *inode = &ip->i_inode;  in gfs2_adjust_quota()
787 	if (gfs2_is_stuffed(ip)) {  in gfs2_adjust_quota()
788 		err = gfs2_unstuff_dinode(ip, NULL);  in gfs2_adjust_quota()
794 	err = gfs2_internal_read(ip, (char *)&q, &loc, sizeof(q));  in gfs2_adjust_quota()
819 	err = gfs2_write_disk_quota(ip, &q, loc);  in gfs2_adjust_quota()
835 	struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);  in do_sync()  local
846 	error = gfs2_rs_alloc(ip);  in do_sync()
850 	gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota),  in do_sync()
858 	mutex_lock(&ip->i_inode.i_mutex);  in do_sync()
866 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);  in do_sync()
872 		if (gfs2_write_alloc_required(ip, offset,  in do_sync()
890 	error = gfs2_inplace_reserve(ip, &ap);  in do_sync()
895 		blocks += gfs2_rg_blocks(ip, reserved) + nalloc * ind_blocks + RES_STATFS;  in do_sync()
904 		error = gfs2_adjust_quota(ip, offset, qd->qd_change_sync, qd, NULL);  in do_sync()
917 	gfs2_inplace_release(ip);  in do_sync()
923 	mutex_unlock(&ip->i_inode.i_mutex);  in do_sync()
925 	gfs2_log_flush(ip->i_gl->gl_name.ln_sbd, ip->i_gl, NORMAL_FLUSH);  in do_sync()
931 	struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);  in update_qd()  local
939 	error = gfs2_internal_read(ip, (char *)&q, &pos, sizeof(q));  in update_qd()
958 	struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);  in do_glock()  local
979 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &i_gh);  in do_glock()
1002 int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid)  in gfs2_quota_lock()  argument
1004 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_quota_lock()
1009 	error = gfs2_quota_hold(ip, uid, gid);  in gfs2_quota_lock()
1017 	sort(ip->i_res->rs_qa_qd, ip->i_res->rs_qa_qd_num,  in gfs2_quota_lock()
1020 	for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {  in gfs2_quota_lock()
1021 		qd = ip->i_res->rs_qa_qd[x];  in gfs2_quota_lock()
1022 		error = do_glock(qd, NO_FORCE, &ip->i_res->rs_qa_qd_ghs[x]);  in gfs2_quota_lock()
1028 		set_bit(GIF_QD_LOCKED, &ip->i_flags);  in gfs2_quota_lock()
1031 			gfs2_glock_dq_uninit(&ip->i_res->rs_qa_qd_ghs[x]);  in gfs2_quota_lock()
1032 		gfs2_quota_unhold(ip);  in gfs2_quota_lock()
1074 void gfs2_quota_unlock(struct gfs2_inode *ip)  in gfs2_quota_unlock()  argument
1076 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_quota_unlock()
1082 	if (!test_and_clear_bit(GIF_QD_LOCKED, &ip->i_flags))  in gfs2_quota_unlock()
1085 	for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {  in gfs2_quota_unlock()
1089 		qd = ip->i_res->rs_qa_qd[x];  in gfs2_quota_unlock()
1092 		gfs2_glock_dq_uninit(&ip->i_res->rs_qa_qd_ghs[x]);  in gfs2_quota_unlock()
1121 	gfs2_quota_unhold(ip);  in gfs2_quota_unlock()
1155 int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,  in gfs2_quota_check()  argument
1158 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_quota_check()
1165 	if (!test_bit(GIF_QD_LOCKED, &ip->i_flags))  in gfs2_quota_check()
1171 	for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {  in gfs2_quota_check()
1172 		qd = ip->i_res->rs_qa_qd[x];  in gfs2_quota_check()
1215 void gfs2_quota_change(struct gfs2_inode *ip, s64 change,  in gfs2_quota_change()  argument
1221 	if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), change))  in gfs2_quota_change()
1223 	if (ip->i_diskflags & GFS2_DIF_SYSTEM)  in gfs2_quota_change()
1226 	for (x = 0; x < ip->i_res->rs_qa_qd_num; x++) {  in gfs2_quota_change()
1227 		qd = ip->i_res->rs_qa_qd[x];  in gfs2_quota_change()
1302 	struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);  in gfs2_quota_init()  local
1334 			error = gfs2_extent_map(&ip->i_inode, x, &new, &dblock, &extlen);  in gfs2_quota_init()
1339 		bh = gfs2_meta_ra(ip->i_gl, dblock, extlen);  in gfs2_quota_init()
1462 	struct gfs2_inode *ip;  in quotad_check_trunc_list()  local
1465 		ip = NULL;  in quotad_check_trunc_list()
1468 			ip = list_entry(sdp->sd_trunc_list.next,  in quotad_check_trunc_list()
1470 			list_del_init(&ip->i_trunc_list);  in quotad_check_trunc_list()
1473 		if (ip == NULL)  in quotad_check_trunc_list()
1475 		gfs2_glock_finish_truncate(ip);  in quotad_check_trunc_list()
1615 	struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);  in gfs2_set_dqblk()  local
1638 	error = gfs2_rs_alloc(ip);  in gfs2_set_dqblk()
1642 	mutex_lock(&ip->i_inode.i_mutex);  in gfs2_set_dqblk()
1646 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);  in gfs2_set_dqblk()
1672 	alloc_required = gfs2_write_alloc_required(ip, offset, sizeof(struct gfs2_quota));  in gfs2_set_dqblk()
1673 	if (gfs2_is_stuffed(ip))  in gfs2_set_dqblk()
1677 		gfs2_write_calc_reserv(ip, sizeof(struct gfs2_quota),  in gfs2_set_dqblk()
1681 		error = gfs2_inplace_reserve(ip, &ap);  in gfs2_set_dqblk()
1684 		blocks += gfs2_rg_blocks(ip, blocks);  in gfs2_set_dqblk()
1694 	error = gfs2_adjust_quota(ip, offset, 0, qd, fdq);  in gfs2_set_dqblk()
1701 		gfs2_inplace_release(ip);  in gfs2_set_dqblk()
1707 	mutex_unlock(&ip->i_inode.i_mutex);  in gfs2_set_dqblk()