307 void gfs2_jindex_free(struct gfs2_sbd *sdp)  in gfs2_jindex_free()  argument
312 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
313 	list_add(&list, &sdp->sd_jindex_list);  in gfs2_jindex_free()
314 	list_del_init(&sdp->sd_jindex_list);  in gfs2_jindex_free()
315 	sdp->sd_journals = 0;  in gfs2_jindex_free()
316 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
345 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid)  in gfs2_jdesc_find()  argument
349 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
350 	jd = jdesc_find_i(&sdp->sd_jindex_list, jid);  in gfs2_jdesc_find()
351 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
359 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in gfs2_jdesc_check()  local
365 	jd->jd_blocks = size >> sdp->sd_sb.sb_bsize_shift;  in gfs2_jdesc_check()
375 static int init_threads(struct gfs2_sbd *sdp)  in init_threads()  argument
380 	p = kthread_run(gfs2_logd, sdp, "gfs2_logd");  in init_threads()
383 		fs_err(sdp, "can't start logd thread: %d\n", error);  in init_threads()
386 	sdp->sd_logd_process = p;  in init_threads()
388 	p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");  in init_threads()
391 		fs_err(sdp, "can't start quotad thread: %d\n", error);  in init_threads()
394 	sdp->sd_quotad_process = p;  in init_threads()
398 	kthread_stop(sdp->sd_logd_process);  in init_threads()
409 int gfs2_make_fs_rw(struct gfs2_sbd *sdp)  in gfs2_make_fs_rw()  argument
411 	struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);  in gfs2_make_fs_rw()
417 	error = init_threads(sdp);  in gfs2_make_fs_rw()
421 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,  in gfs2_make_fs_rw()
428 	error = gfs2_find_jhead(sdp->sd_jdesc, &head);  in gfs2_make_fs_rw()
433 		gfs2_consist(sdp);  in gfs2_make_fs_rw()
439 	sdp->sd_log_sequence = head.lh_sequence + 1;  in gfs2_make_fs_rw()
440 	gfs2_log_pointers_init(sdp, head.lh_blkno);  in gfs2_make_fs_rw()
442 	error = gfs2_quota_init(sdp);  in gfs2_make_fs_rw()
446 	set_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in gfs2_make_fs_rw()
456 	kthread_stop(sdp->sd_quotad_process);  in gfs2_make_fs_rw()
457 	kthread_stop(sdp->sd_logd_process);  in gfs2_make_fs_rw()
479 int gfs2_statfs_init(struct gfs2_sbd *sdp)  in gfs2_statfs_init()  argument
481 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_init()
482 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_init()
483 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_init()
484 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_init()
498 	if (sdp->sd_args.ar_spectator) {  in gfs2_statfs_init()
499 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
502 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
508 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
513 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
525 void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,  in gfs2_statfs_change()  argument
528 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_change()
529 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_change()
530 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_change()
542 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
547 	if (sdp->sd_args.ar_statfs_percent) {  in gfs2_statfs_change()
549 		y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent;  in gfs2_statfs_change()
553 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
557 		gfs2_wake_up_statfs(sdp);  in gfs2_statfs_change()
560 void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,  in update_statfs()  argument
563 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in update_statfs()
564 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in update_statfs()
565 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in update_statfs()
566 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in update_statfs()
571 	spin_lock(&sdp->sd_statfs_spin);  in update_statfs()
579 	spin_unlock(&sdp->sd_statfs_spin);  in update_statfs()
584 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs_sync()  local
585 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_sync()
586 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_sync()
587 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_sync()
588 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_sync()
603 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
607 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
610 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
616 	error = gfs2_trans_begin(sdp, 2 * RES_DINODE, 0);  in gfs2_statfs_sync()
620 	update_statfs(sdp, m_bh, l_bh);  in gfs2_statfs_sync()
621 	sdp->sd_statfs_force_sync = 0;  in gfs2_statfs_sync()
623 	gfs2_trans_end(sdp);  in gfs2_statfs_sync()
651 static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp,  in gfs2_lock_fs_check_clean()  argument
661 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
676 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_EXCLUSIVE,  in gfs2_lock_fs_check_clean()
679 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
753 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_write_inode()  local
764 		gfs2_ail1_flush(sdp, wbc);  in gfs2_write_inode()
796 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_dirty_inode()  local
805 	if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))  in gfs2_dirty_inode()
810 			fs_err(sdp, "dirty_inode: glock %d\n", ret);  in gfs2_dirty_inode()
818 		ret = gfs2_trans_begin(sdp, RES_DINODE, 0);  in gfs2_dirty_inode()
820 			fs_err(sdp, "dirty_inode: gfs2_trans_begin %d\n", ret);  in gfs2_dirty_inode()
834 		gfs2_trans_end(sdp);  in gfs2_dirty_inode()
847 static int gfs2_make_fs_ro(struct gfs2_sbd *sdp)  in gfs2_make_fs_ro()  argument
852 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, GL_NOCACHE,  in gfs2_make_fs_ro()
854 	if (error && !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))  in gfs2_make_fs_ro()
857 	kthread_stop(sdp->sd_quotad_process);  in gfs2_make_fs_ro()
858 	kthread_stop(sdp->sd_logd_process);  in gfs2_make_fs_ro()
861 	gfs2_quota_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
862 	gfs2_statfs_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
864 	gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_SHUTDOWN |  in gfs2_make_fs_ro()
866 	wait_event(sdp->sd_reserving_log_wait, atomic_read(&sdp->sd_reserving_log) == 0);  in gfs2_make_fs_ro()
867 	gfs2_assert_warn(sdp, atomic_read(&sdp->sd_log_blks_free) == sdp->sd_jdesc->jd_blocks);  in gfs2_make_fs_ro()
872 	gfs2_quota_cleanup(sdp);  in gfs2_make_fs_ro()
885 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_put_super()  local
890 	set_bit(SDF_NORECOVERY, &sdp->sd_flags);  in gfs2_put_super()
895 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_put_super()
896 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_put_super()
899 		spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
904 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
907 		error = gfs2_make_fs_ro(sdp);  in gfs2_put_super()
909 			gfs2_io_error(sdp);  in gfs2_put_super()
915 	iput(sdp->sd_jindex);  in gfs2_put_super()
916 	iput(sdp->sd_statfs_inode);  in gfs2_put_super()
917 	iput(sdp->sd_rindex);  in gfs2_put_super()
918 	iput(sdp->sd_quota_inode);  in gfs2_put_super()
920 	gfs2_glock_put(sdp->sd_rename_gl);  in gfs2_put_super()
921 	gfs2_glock_put(sdp->sd_freeze_gl);  in gfs2_put_super()
923 	if (!sdp->sd_args.ar_spectator) {  in gfs2_put_super()
924 		gfs2_glock_dq_uninit(&sdp->sd_journal_gh);  in gfs2_put_super()
925 		gfs2_glock_dq_uninit(&sdp->sd_jinode_gh);  in gfs2_put_super()
926 		gfs2_glock_dq_uninit(&sdp->sd_sc_gh);  in gfs2_put_super()
927 		gfs2_glock_dq_uninit(&sdp->sd_qc_gh);  in gfs2_put_super()
928 		iput(sdp->sd_sc_inode);  in gfs2_put_super()
929 		iput(sdp->sd_qc_inode);  in gfs2_put_super()
932 	gfs2_glock_dq_uninit(&sdp->sd_live_gh);  in gfs2_put_super()
933 	gfs2_clear_rgrpd(sdp);  in gfs2_put_super()
934 	gfs2_jindex_free(sdp);  in gfs2_put_super()
936 	gfs2_gl_hash_clear(sdp);  in gfs2_put_super()
937 	gfs2_delete_debugfs_file(sdp);  in gfs2_put_super()
939 	gfs2_lm_unmount(sdp);  in gfs2_put_super()
942 	gfs2_sys_fs_del(sdp);  in gfs2_put_super()
954 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_sync_fs()  local
958 		gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL |  in gfs2_sync_fs()
960 	return sdp->sd_log_error;  in gfs2_sync_fs()
967 	struct gfs2_sbd *sdp = container_of(work, struct gfs2_sbd, sd_freeze_work);  in gfs2_freeze_func()  local
968 	struct super_block *sb = sdp->sd_vfs;  in gfs2_freeze_func()
971 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,  in gfs2_freeze_func()
975 		gfs2_assert_withdraw(sdp, 0);  in gfs2_freeze_func()
978 		atomic_set(&sdp->sd_freeze_state, SFS_UNFROZEN);  in gfs2_freeze_func()
983 			gfs2_assert_withdraw(sdp, 0);  in gfs2_freeze_func()
985 		if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))  in gfs2_freeze_func()
1001 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_freeze()  local
1004 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_freeze()
1005 	if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN)  in gfs2_freeze()
1008 	if (test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) {  in gfs2_freeze()
1014 		error = gfs2_lock_fs_check_clean(sdp, &sdp->sd_freeze_gh);  in gfs2_freeze()
1020 			fs_err(sdp, "waiting for recovery before freeze\n");  in gfs2_freeze()
1024 			fs_err(sdp, "error freezing FS: %d\n", error);  in gfs2_freeze()
1028 		fs_err(sdp, "retrying...\n");  in gfs2_freeze()
1033 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_freeze()
1045 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_unfreeze()  local
1047 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
1048         if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||  in gfs2_unfreeze()
1049 	    !gfs2_holder_initialized(&sdp->sd_freeze_gh)) {  in gfs2_unfreeze()
1050 		mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
1054 	gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);  in gfs2_unfreeze()
1055 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
1090 static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_slow()  argument
1106 	rgd_next = gfs2_rgrpd_get_first(sdp);  in gfs2_statfs_slow()
1163 static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_i()  argument
1165 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_i()
1166 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_i()
1168 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
1175 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
1198 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs()  local
1202 	error = gfs2_rindex_update(sdp);  in gfs2_statfs()
1206 	if (gfs2_tune_get(sdp, gt_statfs_slow))  in gfs2_statfs()
1207 		error = gfs2_statfs_slow(sdp, &sc);  in gfs2_statfs()
1209 		error = gfs2_statfs_i(sdp, &sc);  in gfs2_statfs()
1215 	buf->f_bsize = sdp->sd_sb.sb_bsize;  in gfs2_statfs()
1237 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_remount_fs()  local
1238 	struct gfs2_args args = sdp->sd_args; /* Default to current settings */  in gfs2_remount_fs()
1239 	struct gfs2_tune *gt = &sdp->sd_tune;  in gfs2_remount_fs()
1257 	if (strcmp(args.ar_lockproto, sdp->sd_args.ar_lockproto) ||  in gfs2_remount_fs()
1258 	    strcmp(args.ar_locktable, sdp->sd_args.ar_locktable) ||  in gfs2_remount_fs()
1259 	    strcmp(args.ar_hostdata, sdp->sd_args.ar_hostdata))  in gfs2_remount_fs()
1263 	if (args_neq(&args, &sdp->sd_args, spectator) ||  in gfs2_remount_fs()
1264 	    args_neq(&args, &sdp->sd_args, localflocks) ||  in gfs2_remount_fs()
1265 	    args_neq(&args, &sdp->sd_args, meta))  in gfs2_remount_fs()
1268 	if (sdp->sd_args.ar_spectator)  in gfs2_remount_fs()
1273 			error = gfs2_make_fs_ro(sdp);  in gfs2_remount_fs()
1275 			error = gfs2_make_fs_rw(sdp);  in gfs2_remount_fs()
1280 	sdp->sd_args = args;  in gfs2_remount_fs()
1281 	if (sdp->sd_args.ar_posix_acl)  in gfs2_remount_fs()
1285 	if (sdp->sd_args.ar_nobarrier)  in gfs2_remount_fs()
1286 		set_bit(SDF_NOBARRIERS, &sdp->sd_flags);  in gfs2_remount_fs()
1288 		clear_bit(SDF_NOBARRIERS, &sdp->sd_flags);  in gfs2_remount_fs()
1302 	gfs2_online_uevent(sdp);  in gfs2_remount_fs()
1372 	struct gfs2_sbd *sdp = root->d_sb->s_fs_info;  in gfs2_show_options()  local
1373 	struct gfs2_args *args = &sdp->sd_args;  in gfs2_show_options()
1376 	if (is_ancestor(root, sdp->sd_master_dir))  in gfs2_show_options()
1429 	val = sdp->sd_tune.gt_logd_secs;  in gfs2_show_options()
1432 	val = sdp->sd_tune.gt_statfs_quantum;  in gfs2_show_options()
1435 	else if (sdp->sd_tune.gt_statfs_slow)  in gfs2_show_options()
1437 	val = sdp->sd_tune.gt_quota_quantum;  in gfs2_show_options()
1458 	if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags))  in gfs2_show_options()
1460 	if (test_bit(SDF_DEMOTE, &sdp->sd_flags))  in gfs2_show_options()
1485 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_dinode_dealloc()  local
1495 	error = gfs2_rindex_update(sdp);  in gfs2_dinode_dealloc()
1503 	rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);  in gfs2_dinode_dealloc()
1514 	error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA,  in gfs2_dinode_dealloc()
1515 				 sdp->sd_jdesc->jd_blocks);  in gfs2_dinode_dealloc()
1523 	gfs2_trans_end(sdp);  in gfs2_dinode_dealloc()
1572 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_evict_inode()  local
1605 	error = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);  in gfs2_evict_inode()
1663 	gfs2_log_flush(sdp, ip->i_gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in gfs2_evict_inode()
1674 	error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);  in gfs2_evict_inode()
1680 	gfs2_trans_end(sdp);  in gfs2_evict_inode()
1700 		fs_warn(sdp, "gfs2_evict_inode: %d\n", error);  in gfs2_evict_inode()