59 void gfs2_jindex_free(struct gfs2_sbd *sdp)  in gfs2_jindex_free()  argument
64 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
65 	list_add(&list, &sdp->sd_jindex_list);  in gfs2_jindex_free()
66 	list_del_init(&sdp->sd_jindex_list);  in gfs2_jindex_free()
67 	sdp->sd_journals = 0;  in gfs2_jindex_free()
68 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
70 	sdp->sd_jdesc = NULL;  in gfs2_jindex_free()
92 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid)  in gfs2_jdesc_find()  argument
96 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
97 	jd = jdesc_find_i(&sdp->sd_jindex_list, jid);  in gfs2_jdesc_find()
98 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
106 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in gfs2_jdesc_check()  local
112 	jd->jd_blocks = size >> sdp->sd_sb.sb_bsize_shift;  in gfs2_jdesc_check()
129 int gfs2_make_fs_rw(struct gfs2_sbd *sdp)  in gfs2_make_fs_rw()  argument
131 	struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);  in gfs2_make_fs_rw()
137 	if (gfs2_withdrawn(sdp))  in gfs2_make_fs_rw()
140 	error = gfs2_find_jhead(sdp->sd_jdesc, &head, false);  in gfs2_make_fs_rw()
142 		gfs2_consist(sdp);  in gfs2_make_fs_rw()
147 		gfs2_consist(sdp);  in gfs2_make_fs_rw()
152 	sdp->sd_log_sequence = head.lh_sequence + 1;  in gfs2_make_fs_rw()
153 	gfs2_log_pointers_init(sdp, head.lh_blkno);  in gfs2_make_fs_rw()
155 	error = gfs2_quota_init(sdp);  in gfs2_make_fs_rw()
156 	if (!error && gfs2_withdrawn(sdp))  in gfs2_make_fs_rw()
159 		set_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in gfs2_make_fs_rw()
181 int gfs2_statfs_init(struct gfs2_sbd *sdp)  in gfs2_statfs_init()  argument
183 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_init()
184 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_init()
185 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_init()
199 	if (sdp->sd_args.ar_spectator) {  in gfs2_statfs_init()
200 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
203 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
205 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
208 		gfs2_statfs_change_in(l_sc, sdp->sd_sc_bh->b_data +  in gfs2_statfs_init()
210 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
220 void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,  in gfs2_statfs_change()  argument
223 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_change()
224 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_change()
225 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_change()
229 	gfs2_trans_add_meta(l_ip->i_gl, sdp->sd_sc_bh);  in gfs2_statfs_change()
231 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
235 	gfs2_statfs_change_out(l_sc, sdp->sd_sc_bh->b_data +  in gfs2_statfs_change()
237 	if (sdp->sd_args.ar_statfs_percent) {  in gfs2_statfs_change()
239 		y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent;  in gfs2_statfs_change()
243 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
246 		gfs2_wake_up_statfs(sdp);  in gfs2_statfs_change()
249 void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh)  in update_statfs()  argument
251 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in update_statfs()
252 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in update_statfs()
253 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in update_statfs()
254 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in update_statfs()
256 	gfs2_trans_add_meta(l_ip->i_gl, sdp->sd_sc_bh);  in update_statfs()
259 	spin_lock(&sdp->sd_statfs_spin);  in update_statfs()
264 	memset(sdp->sd_sc_bh->b_data + sizeof(struct gfs2_dinode),  in update_statfs()
267 	spin_unlock(&sdp->sd_statfs_spin);  in update_statfs()
272 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs_sync()  local
273 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_sync()
274 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_sync()
275 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_sync()
289 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
293 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
296 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
298 	error = gfs2_trans_begin(sdp, 2 * RES_DINODE, 0);  in gfs2_statfs_sync()
302 	update_statfs(sdp, m_bh);  in gfs2_statfs_sync()
303 	sdp->sd_statfs_force_sync = 0;  in gfs2_statfs_sync()
305 	gfs2_trans_end(sdp);  in gfs2_statfs_sync()
328 static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp)  in gfs2_lock_fs_check_clean()  argument
342 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
357 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);  in gfs2_lock_fs_check_clean()
359 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_EXCLUSIVE,  in gfs2_lock_fs_check_clean()
361 				   &sdp->sd_freeze_gh);  in gfs2_lock_fs_check_clean()
365 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
381 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);  in gfs2_lock_fs_check_clean()
384 	error2 = gfs2_freeze_lock_shared(sdp);  in gfs2_lock_fs_check_clean()
385 	gfs2_assert_withdraw(sdp, !error2);  in gfs2_lock_fs_check_clean()
446 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_write_inode()  local
457 		gfs2_ail1_flush(sdp, wbc);  in gfs2_write_inode()
489 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_dirty_inode()  local
502 	if (unlikely(gfs2_withdrawn(sdp)))  in gfs2_dirty_inode()
507 			fs_err(sdp, "dirty_inode: glock %d\n", ret);  in gfs2_dirty_inode()
516 		ret = gfs2_trans_begin(sdp, RES_DINODE, 0);  in gfs2_dirty_inode()
518 			fs_err(sdp, "dirty_inode: gfs2_trans_begin %d\n", ret);  in gfs2_dirty_inode()
532 		gfs2_trans_end(sdp);  in gfs2_dirty_inode()
545 void gfs2_make_fs_ro(struct gfs2_sbd *sdp)  in gfs2_make_fs_ro()  argument
547 	int log_write_allowed = test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in gfs2_make_fs_ro()
549 	if (!test_bit(SDF_KILL, &sdp->sd_flags))  in gfs2_make_fs_ro()
550 		gfs2_flush_delete_work(sdp);  in gfs2_make_fs_ro()
552 	gfs2_destroy_threads(sdp);  in gfs2_make_fs_ro()
555 		gfs2_quota_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
556 		gfs2_statfs_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
566 		gfs2_log_flush(sdp, NULL, GFS2_LFC_MAKE_FS_RO);  in gfs2_make_fs_ro()
567 		gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_SHUTDOWN |  in gfs2_make_fs_ro()
569 		wait_event_timeout(sdp->sd_log_waitq,  in gfs2_make_fs_ro()
570 				   gfs2_log_is_empty(sdp),  in gfs2_make_fs_ro()
572 		gfs2_assert_warn(sdp, gfs2_log_is_empty(sdp));  in gfs2_make_fs_ro()
574 	gfs2_quota_cleanup(sdp);  in gfs2_make_fs_ro()
585 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_put_super()  local
589 	set_bit(SDF_NORECOVERY, &sdp->sd_flags);  in gfs2_put_super()
594 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_put_super()
595 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_put_super()
598 		spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
603 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
606 		gfs2_make_fs_ro(sdp);  in gfs2_put_super()
608 	if (gfs2_withdrawn(sdp)) {  in gfs2_put_super()
609 		gfs2_destroy_threads(sdp);  in gfs2_put_super()
610 		gfs2_quota_cleanup(sdp);  in gfs2_put_super()
612 	WARN_ON(gfs2_withdrawing(sdp));  in gfs2_put_super()
618 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);  in gfs2_put_super()
620 	iput(sdp->sd_jindex);  in gfs2_put_super()
621 	iput(sdp->sd_statfs_inode);  in gfs2_put_super()
622 	iput(sdp->sd_rindex);  in gfs2_put_super()
623 	iput(sdp->sd_quota_inode);  in gfs2_put_super()
625 	gfs2_glock_put(sdp->sd_rename_gl);  in gfs2_put_super()
626 	gfs2_glock_put(sdp->sd_freeze_gl);  in gfs2_put_super()
628 	if (!sdp->sd_args.ar_spectator) {  in gfs2_put_super()
629 		if (gfs2_holder_initialized(&sdp->sd_journal_gh))  in gfs2_put_super()
630 			gfs2_glock_dq_uninit(&sdp->sd_journal_gh);  in gfs2_put_super()
631 		if (gfs2_holder_initialized(&sdp->sd_jinode_gh))  in gfs2_put_super()
632 			gfs2_glock_dq_uninit(&sdp->sd_jinode_gh);  in gfs2_put_super()
633 		brelse(sdp->sd_sc_bh);  in gfs2_put_super()
634 		gfs2_glock_dq_uninit(&sdp->sd_sc_gh);  in gfs2_put_super()
635 		gfs2_glock_dq_uninit(&sdp->sd_qc_gh);  in gfs2_put_super()
636 		free_local_statfs_inodes(sdp);  in gfs2_put_super()
637 		iput(sdp->sd_qc_inode);  in gfs2_put_super()
640 	gfs2_glock_dq_uninit(&sdp->sd_live_gh);  in gfs2_put_super()
641 	gfs2_clear_rgrpd(sdp);  in gfs2_put_super()
642 	gfs2_jindex_free(sdp);  in gfs2_put_super()
644 	gfs2_gl_hash_clear(sdp);  in gfs2_put_super()
645 	truncate_inode_pages_final(&sdp->sd_aspace);  in gfs2_put_super()
646 	gfs2_delete_debugfs_file(sdp);  in gfs2_put_super()
648 	gfs2_lm_unmount(sdp);  in gfs2_put_super()
651 	gfs2_sys_fs_del(sdp);  in gfs2_put_super()
652 	free_sbd(sdp);  in gfs2_put_super()
665 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_sync_fs()  local
669 		gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL |  in gfs2_sync_fs()
671 	return sdp->sd_log_error;  in gfs2_sync_fs()
674 static int gfs2_freeze_locally(struct gfs2_sbd *sdp)  in gfs2_freeze_locally()  argument
676 	struct super_block *sb = sdp->sd_vfs;  in gfs2_freeze_locally()
683 	if (test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {  in gfs2_freeze_locally()
684 		gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_FREEZE |  in gfs2_freeze_locally()
686 		if (gfs2_withdrawn(sdp)) {  in gfs2_freeze_locally()
696 static int gfs2_do_thaw(struct gfs2_sbd *sdp)  in gfs2_do_thaw()  argument
698 	struct super_block *sb = sdp->sd_vfs;  in gfs2_do_thaw()
701 	error = gfs2_freeze_lock_shared(sdp);  in gfs2_do_thaw()
709 	fs_info(sdp, "GFS2: couldn't thaw filesystem: %d\n", error);  in gfs2_do_thaw()
710 	gfs2_assert_withdraw(sdp, 0);  in gfs2_do_thaw()
716 	struct gfs2_sbd *sdp = container_of(work, struct gfs2_sbd, sd_freeze_work);  in gfs2_freeze_func()  local
717 	struct super_block *sb = sdp->sd_vfs;  in gfs2_freeze_func()
720 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_freeze_func()
722 	if (test_bit(SDF_FROZEN, &sdp->sd_flags))  in gfs2_freeze_func()
725 	error = gfs2_freeze_locally(sdp);  in gfs2_freeze_func()
729 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);  in gfs2_freeze_func()
730 	set_bit(SDF_FROZEN, &sdp->sd_flags);  in gfs2_freeze_func()
732 	error = gfs2_do_thaw(sdp);  in gfs2_freeze_func()
736 	clear_bit(SDF_FROZEN, &sdp->sd_flags);  in gfs2_freeze_func()
740 	fs_info(sdp, "GFS2: couldn't freeze filesystem: %d\n", error);  in gfs2_freeze_func()
743 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_freeze_func()
755 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_freeze_super()  local
758 	if (!mutex_trylock(&sdp->sd_freeze_mutex))  in gfs2_freeze_super()
761 	if (test_bit(SDF_FROZEN, &sdp->sd_flags))  in gfs2_freeze_super()
765 		error = gfs2_freeze_locally(sdp);  in gfs2_freeze_super()
767 			fs_info(sdp, "GFS2: couldn't freeze filesystem: %d\n",  in gfs2_freeze_super()
772 		error = gfs2_lock_fs_check_clean(sdp);  in gfs2_freeze_super()
776 		error = gfs2_do_thaw(sdp);  in gfs2_freeze_super()
781 			fs_err(sdp, "waiting for recovery before freeze\n");  in gfs2_freeze_super()
783 			fs_err(sdp, "Fatal IO error: cannot freeze gfs2 due "  in gfs2_freeze_super()
787 			fs_err(sdp, "error freezing FS: %d\n", error);  in gfs2_freeze_super()
789 		fs_err(sdp, "retrying...\n");  in gfs2_freeze_super()
795 		set_bit(SDF_FREEZE_INITIATOR, &sdp->sd_flags);  in gfs2_freeze_super()
796 		set_bit(SDF_FROZEN, &sdp->sd_flags);  in gfs2_freeze_super()
798 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_freeze_super()
810 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_thaw_super()  local
813 	if (!mutex_trylock(&sdp->sd_freeze_mutex))  in gfs2_thaw_super()
816 	if (!test_bit(SDF_FREEZE_INITIATOR, &sdp->sd_flags))  in gfs2_thaw_super()
819 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);  in gfs2_thaw_super()
821 	error = gfs2_do_thaw(sdp);  in gfs2_thaw_super()
824 		clear_bit(SDF_FREEZE_INITIATOR, &sdp->sd_flags);  in gfs2_thaw_super()
825 		clear_bit(SDF_FROZEN, &sdp->sd_flags);  in gfs2_thaw_super()
828 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_thaw_super()
834 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_thaw_freeze_initiator()  local
836 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_thaw_freeze_initiator()
837 	if (!test_bit(SDF_FREEZE_INITIATOR, &sdp->sd_flags))  in gfs2_thaw_freeze_initiator()
840 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);  in gfs2_thaw_freeze_initiator()
843 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_thaw_freeze_initiator()
877 static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_slow()  argument
893 	rgd_next = gfs2_rgrpd_get_first(sdp);  in gfs2_statfs_slow()
950 static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_i()  argument
952 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_i()
953 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_i()
955 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
962 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
985 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs()  local
989 	error = gfs2_rindex_update(sdp);  in gfs2_statfs()
993 	if (gfs2_tune_get(sdp, gt_statfs_slow))  in gfs2_statfs()
994 		error = gfs2_statfs_slow(sdp, &sc);  in gfs2_statfs()
996 		error = gfs2_statfs_i(sdp, &sc);  in gfs2_statfs()
1002 	buf->f_bsize = sdp->sd_sb.sb_bsize;  in gfs2_statfs()
1031 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_drop_inode()  local
1059 	if (test_bit(SDF_EVICTING, &sdp->sd_flags))  in gfs2_drop_inode()
1085 	struct gfs2_sbd *sdp = root->d_sb->s_fs_info;  in gfs2_show_options()  local
1086 	struct gfs2_args *args = &sdp->sd_args;  in gfs2_show_options()
1089 	spin_lock(&sdp->sd_tune.gt_spin);  in gfs2_show_options()
1090 	logd_secs = sdp->sd_tune.gt_logd_secs;  in gfs2_show_options()
1091 	quota_quantum = sdp->sd_tune.gt_quota_quantum;  in gfs2_show_options()
1092 	statfs_quantum = sdp->sd_tune.gt_statfs_quantum;  in gfs2_show_options()
1093 	statfs_slow = sdp->sd_tune.gt_statfs_slow;  in gfs2_show_options()
1094 	spin_unlock(&sdp->sd_tune.gt_spin);  in gfs2_show_options()
1096 	if (is_ancestor(root, sdp->sd_master_dir))  in gfs2_show_options()
1178 	if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags))  in gfs2_show_options()
1180 	if (test_bit(SDF_DEMOTE, &sdp->sd_flags))  in gfs2_show_options()
1211 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_dinode_dealloc()  local
1221 	gfs2_rindex_update(sdp);  in gfs2_dinode_dealloc()
1227 	rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);  in gfs2_dinode_dealloc()
1239 	error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA,  in gfs2_dinode_dealloc()
1240 				 sdp->sd_jdesc->jd_blocks);  in gfs2_dinode_dealloc()
1248 	gfs2_trans_end(sdp);  in gfs2_dinode_dealloc()
1276 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_upgrade_iopen_glock()  local
1319 	timeout = wait_event_interruptible_timeout(sdp->sd_async_glock_wait,  in gfs2_upgrade_iopen_glock()
1345 	struct gfs2_sbd *sdp = sb->s_fs_info;  in evict_should_delete()  local
1369 	ret = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);  in evict_should_delete()
1449 	struct gfs2_sbd *sdp = sb->s_fs_info;  in evict_linked_inode()  local
1454 	gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in evict_linked_inode()
1464 	ret = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);  in evict_linked_inode()
1471 	gfs2_trans_end(sdp);  in evict_linked_inode()
1499 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_evict_inode()  local
1512 	if (!sdp->sd_jdesc)  in gfs2_evict_inode()
1530 		fs_warn(sdp, "gfs2_evict_inode: %d\n", ret);  in gfs2_evict_inode()
1534 		gfs2_assert_warn(sdp, ip->i_qadata->qa_ref == 0);  in gfs2_evict_inode()
1579 extern void free_local_statfs_inodes(struct gfs2_sbd *sdp)  in free_local_statfs_inodes()  argument
1584 	list_for_each_entry_safe(lsi, safe, &sdp->sd_sc_inodes_list, si_list) {  in free_local_statfs_inodes()
1585 		if (lsi->si_jid == sdp->sd_jdesc->jd_jid)  in free_local_statfs_inodes()
1586 			sdp->sd_sc_inode = NULL; /* belongs to this node */  in free_local_statfs_inodes()
1594 extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,  in find_local_statfs_inode()  argument
1601 	list_for_each_entry(lsi, &sdp->sd_sc_inodes_list, si_list) {  in find_local_statfs_inode()