53 void gfs2_jindex_free(struct gfs2_sbd *sdp)  in gfs2_jindex_free()  argument
58 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
59 	list_add(&list, &sdp->sd_jindex_list);  in gfs2_jindex_free()
60 	list_del_init(&sdp->sd_jindex_list);  in gfs2_jindex_free()
61 	sdp->sd_journals = 0;  in gfs2_jindex_free()
62 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
91 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid)  in gfs2_jdesc_find()  argument
95 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
96 	jd = jdesc_find_i(&sdp->sd_jindex_list, jid);  in gfs2_jdesc_find()
97 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
105 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in gfs2_jdesc_check()  local
111 	jd->jd_blocks = size >> sdp->sd_sb.sb_bsize_shift;  in gfs2_jdesc_check()
121 static int init_threads(struct gfs2_sbd *sdp)  in init_threads()  argument
126 	p = kthread_run(gfs2_logd, sdp, "gfs2_logd");  in init_threads()
129 		fs_err(sdp, "can't start logd thread: %d\n", error);  in init_threads()
132 	sdp->sd_logd_process = p;  in init_threads()
134 	p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");  in init_threads()
137 		fs_err(sdp, "can't start quotad thread: %d\n", error);  in init_threads()
140 	sdp->sd_quotad_process = p;  in init_threads()
144 	kthread_stop(sdp->sd_logd_process);  in init_threads()
145 	sdp->sd_logd_process = NULL;  in init_threads()
156 int gfs2_make_fs_rw(struct gfs2_sbd *sdp)  in gfs2_make_fs_rw()  argument
158 	struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);  in gfs2_make_fs_rw()
164 	error = init_threads(sdp);  in gfs2_make_fs_rw()
168 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,  in gfs2_make_fs_rw()
175 	error = gfs2_find_jhead(sdp->sd_jdesc, &head, false);  in gfs2_make_fs_rw()
180 		gfs2_consist(sdp);  in gfs2_make_fs_rw()
186 	sdp->sd_log_sequence = head.lh_sequence + 1;  in gfs2_make_fs_rw()
187 	gfs2_log_pointers_init(sdp, head.lh_blkno);  in gfs2_make_fs_rw()
189 	error = gfs2_quota_init(sdp);  in gfs2_make_fs_rw()
193 	set_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in gfs2_make_fs_rw()
203 	if (sdp->sd_quotad_process)  in gfs2_make_fs_rw()
204 		kthread_stop(sdp->sd_quotad_process);  in gfs2_make_fs_rw()
205 	sdp->sd_quotad_process = NULL;  in gfs2_make_fs_rw()
206 	if (sdp->sd_logd_process)  in gfs2_make_fs_rw()
207 		kthread_stop(sdp->sd_logd_process);  in gfs2_make_fs_rw()
208 	sdp->sd_logd_process = NULL;  in gfs2_make_fs_rw()
230 int gfs2_statfs_init(struct gfs2_sbd *sdp)  in gfs2_statfs_init()  argument
232 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_init()
233 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_init()
234 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_init()
235 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_init()
249 	if (sdp->sd_args.ar_spectator) {  in gfs2_statfs_init()
250 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
253 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
259 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
264 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
276 void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,  in gfs2_statfs_change()  argument
279 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_change()
280 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_change()
281 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_change()
293 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
298 	if (sdp->sd_args.ar_statfs_percent) {  in gfs2_statfs_change()
300 		y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent;  in gfs2_statfs_change()
304 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
308 		gfs2_wake_up_statfs(sdp);  in gfs2_statfs_change()
311 void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,  in update_statfs()  argument
314 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in update_statfs()
315 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in update_statfs()
316 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in update_statfs()
317 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in update_statfs()
322 	spin_lock(&sdp->sd_statfs_spin);  in update_statfs()
330 	spin_unlock(&sdp->sd_statfs_spin);  in update_statfs()
335 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs_sync()  local
336 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_sync()
337 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_sync()
338 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_sync()
339 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_sync()
354 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
358 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
361 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
367 	error = gfs2_trans_begin(sdp, 2 * RES_DINODE, 0);  in gfs2_statfs_sync()
371 	update_statfs(sdp, m_bh, l_bh);  in gfs2_statfs_sync()
372 	sdp->sd_statfs_force_sync = 0;  in gfs2_statfs_sync()
374 	gfs2_trans_end(sdp);  in gfs2_statfs_sync()
402 static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp,  in gfs2_lock_fs_check_clean()  argument
412 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
427 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_EXCLUSIVE,  in gfs2_lock_fs_check_clean()
430 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
504 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_write_inode()  local
515 		gfs2_ail1_flush(sdp, wbc);  in gfs2_write_inode()
547 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_dirty_inode()  local
556 	if (unlikely(test_bit(SDF_WITHDRAWN, &sdp->sd_flags)))  in gfs2_dirty_inode()
561 			fs_err(sdp, "dirty_inode: glock %d\n", ret);  in gfs2_dirty_inode()
569 		ret = gfs2_trans_begin(sdp, RES_DINODE, 0);  in gfs2_dirty_inode()
571 			fs_err(sdp, "dirty_inode: gfs2_trans_begin %d\n", ret);  in gfs2_dirty_inode()
585 		gfs2_trans_end(sdp);  in gfs2_dirty_inode()
598 int gfs2_make_fs_ro(struct gfs2_sbd *sdp)  in gfs2_make_fs_ro()  argument
603 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, GL_NOCACHE,  in gfs2_make_fs_ro()
605 	if (error && !test_bit(SDF_WITHDRAWN, &sdp->sd_flags))  in gfs2_make_fs_ro()
609 	if (sdp->sd_quotad_process)  in gfs2_make_fs_ro()
610 		kthread_stop(sdp->sd_quotad_process);  in gfs2_make_fs_ro()
611 	sdp->sd_quotad_process = NULL;  in gfs2_make_fs_ro()
612 	if (sdp->sd_logd_process)  in gfs2_make_fs_ro()
613 		kthread_stop(sdp->sd_logd_process);  in gfs2_make_fs_ro()
614 	sdp->sd_logd_process = NULL;  in gfs2_make_fs_ro()
616 	gfs2_quota_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
617 	gfs2_statfs_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
619 	gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_SHUTDOWN |  in gfs2_make_fs_ro()
621 	wait_event(sdp->sd_reserving_log_wait, atomic_read(&sdp->sd_reserving_log) == 0);  in gfs2_make_fs_ro()
622 	gfs2_assert_warn(sdp, atomic_read(&sdp->sd_log_blks_free) == sdp->sd_jdesc->jd_blocks);  in gfs2_make_fs_ro()
627 	gfs2_quota_cleanup(sdp);  in gfs2_make_fs_ro()
640 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_put_super()  local
645 	set_bit(SDF_NORECOVERY, &sdp->sd_flags);  in gfs2_put_super()
650 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_put_super()
651 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_put_super()
654 		spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
659 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
662 		error = gfs2_make_fs_ro(sdp);  in gfs2_put_super()
664 			gfs2_io_error(sdp);  in gfs2_put_super()
670 	iput(sdp->sd_jindex);  in gfs2_put_super()
671 	iput(sdp->sd_statfs_inode);  in gfs2_put_super()
672 	iput(sdp->sd_rindex);  in gfs2_put_super()
673 	iput(sdp->sd_quota_inode);  in gfs2_put_super()
675 	gfs2_glock_put(sdp->sd_rename_gl);  in gfs2_put_super()
676 	gfs2_glock_put(sdp->sd_freeze_gl);  in gfs2_put_super()
678 	if (!sdp->sd_args.ar_spectator) {  in gfs2_put_super()
679 		gfs2_glock_dq_uninit(&sdp->sd_journal_gh);  in gfs2_put_super()
680 		gfs2_glock_dq_uninit(&sdp->sd_jinode_gh);  in gfs2_put_super()
681 		gfs2_glock_dq_uninit(&sdp->sd_sc_gh);  in gfs2_put_super()
682 		gfs2_glock_dq_uninit(&sdp->sd_qc_gh);  in gfs2_put_super()
683 		iput(sdp->sd_sc_inode);  in gfs2_put_super()
684 		iput(sdp->sd_qc_inode);  in gfs2_put_super()
687 	gfs2_glock_dq_uninit(&sdp->sd_live_gh);  in gfs2_put_super()
688 	gfs2_clear_rgrpd(sdp);  in gfs2_put_super()
689 	gfs2_jindex_free(sdp);  in gfs2_put_super()
691 	gfs2_gl_hash_clear(sdp);  in gfs2_put_super()
692 	gfs2_delete_debugfs_file(sdp);  in gfs2_put_super()
694 	gfs2_lm_unmount(sdp);  in gfs2_put_super()
697 	gfs2_sys_fs_del(sdp);  in gfs2_put_super()
709 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_sync_fs()  local
713 		gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL |  in gfs2_sync_fs()
715 	return sdp->sd_log_error;  in gfs2_sync_fs()
722 	struct gfs2_sbd *sdp = container_of(work, struct gfs2_sbd, sd_freeze_work);  in gfs2_freeze_func()  local
723 	struct super_block *sb = sdp->sd_vfs;  in gfs2_freeze_func()
726 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,  in gfs2_freeze_func()
729 		fs_info(sdp, "GFS2: couldn't get freeze lock : %d\n", error);  in gfs2_freeze_func()
730 		gfs2_assert_withdraw(sdp, 0);  in gfs2_freeze_func()
732 		atomic_set(&sdp->sd_freeze_state, SFS_UNFROZEN);  in gfs2_freeze_func()
735 			fs_info(sdp, "GFS2: couldn't thaw filesystem: %d\n",  in gfs2_freeze_func()
737 			gfs2_assert_withdraw(sdp, 0);  in gfs2_freeze_func()
739 		if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))  in gfs2_freeze_func()
744 	clear_bit_unlock(SDF_FS_FROZEN, &sdp->sd_flags);  in gfs2_freeze_func()
745 	wake_up_bit(&sdp->sd_flags, SDF_FS_FROZEN);  in gfs2_freeze_func()
757 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_freeze()  local
760 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_freeze()
761 	if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN)  in gfs2_freeze()
764 	if (test_bit(SDF_WITHDRAWN, &sdp->sd_flags)) {  in gfs2_freeze()
770 		error = gfs2_lock_fs_check_clean(sdp, &sdp->sd_freeze_gh);  in gfs2_freeze()
775 			fs_err(sdp, "waiting for recovery before freeze\n");  in gfs2_freeze()
777 			fs_err(sdp, "error freezing FS: %d\n", error);  in gfs2_freeze()
779 		fs_err(sdp, "retrying...\n");  in gfs2_freeze()
782 	set_bit(SDF_FS_FROZEN, &sdp->sd_flags);  in gfs2_freeze()
784 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_freeze()
796 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_unfreeze()  local
798 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
799         if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||  in gfs2_unfreeze()
800 	    !gfs2_holder_initialized(&sdp->sd_freeze_gh)) {  in gfs2_unfreeze()
801 		mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
805 	gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);  in gfs2_unfreeze()
806 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
807 	return wait_on_bit(&sdp->sd_flags, SDF_FS_FROZEN, TASK_INTERRUPTIBLE);  in gfs2_unfreeze()
841 static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_slow()  argument
857 	rgd_next = gfs2_rgrpd_get_first(sdp);  in gfs2_statfs_slow()
914 static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_i()  argument
916 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_i()
917 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_i()
919 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
926 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
949 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs()  local
953 	error = gfs2_rindex_update(sdp);  in gfs2_statfs()
957 	if (gfs2_tune_get(sdp, gt_statfs_slow))  in gfs2_statfs()
958 		error = gfs2_statfs_slow(sdp, &sc);  in gfs2_statfs()
960 		error = gfs2_statfs_i(sdp, &sc);  in gfs2_statfs()
966 	buf->f_bsize = sdp->sd_sb.sb_bsize;  in gfs2_statfs()
1043 	struct gfs2_sbd *sdp = root->d_sb->s_fs_info;  in gfs2_show_options()  local
1044 	struct gfs2_args *args = &sdp->sd_args;  in gfs2_show_options()
1047 	if (is_ancestor(root, sdp->sd_master_dir))  in gfs2_show_options()
1100 	val = sdp->sd_tune.gt_logd_secs;  in gfs2_show_options()
1103 	val = sdp->sd_tune.gt_statfs_quantum;  in gfs2_show_options()
1106 	else if (sdp->sd_tune.gt_statfs_slow)  in gfs2_show_options()
1108 	val = sdp->sd_tune.gt_quota_quantum;  in gfs2_show_options()
1129 	if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags))  in gfs2_show_options()
1131 	if (test_bit(SDF_DEMOTE, &sdp->sd_flags))  in gfs2_show_options()
1156 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_dinode_dealloc()  local
1166 	error = gfs2_rindex_update(sdp);  in gfs2_dinode_dealloc()
1174 	rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);  in gfs2_dinode_dealloc()
1185 	error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA,  in gfs2_dinode_dealloc()
1186 				 sdp->sd_jdesc->jd_blocks);  in gfs2_dinode_dealloc()
1194 	gfs2_trans_end(sdp);  in gfs2_dinode_dealloc()
1243 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_evict_inode()  local
1276 	error = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);  in gfs2_evict_inode()
1332 	gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in gfs2_evict_inode()
1342 	error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);  in gfs2_evict_inode()
1348 	gfs2_trans_end(sdp);  in gfs2_evict_inode()
1367 		fs_warn(sdp, "gfs2_evict_inode: %d\n", error);  in gfs2_evict_inode()