297 void gfs2_jindex_free(struct gfs2_sbd *sdp)  in gfs2_jindex_free()  argument
302 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
303 	list_add(&list, &sdp->sd_jindex_list);  in gfs2_jindex_free()
304 	list_del_init(&sdp->sd_jindex_list);  in gfs2_jindex_free()
305 	sdp->sd_journals = 0;  in gfs2_jindex_free()
306 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jindex_free()
335 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid)  in gfs2_jdesc_find()  argument
339 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
340 	jd = jdesc_find_i(&sdp->sd_jindex_list, jid);  in gfs2_jdesc_find()
341 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_jdesc_find()
349 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in gfs2_jdesc_check()  local
355 	jd->jd_blocks = size >> sdp->sd_sb.sb_bsize_shift;  in gfs2_jdesc_check()
365 static int init_threads(struct gfs2_sbd *sdp)  in init_threads()  argument
370 	p = kthread_run(gfs2_logd, sdp, "gfs2_logd");  in init_threads()
373 		fs_err(sdp, "can't start logd thread: %d\n", error);  in init_threads()
376 	sdp->sd_logd_process = p;  in init_threads()
378 	p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");  in init_threads()
381 		fs_err(sdp, "can't start quotad thread: %d\n", error);  in init_threads()
384 	sdp->sd_quotad_process = p;  in init_threads()
388 	kthread_stop(sdp->sd_logd_process);  in init_threads()
399 int gfs2_make_fs_rw(struct gfs2_sbd *sdp)  in gfs2_make_fs_rw()  argument
401 	struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode);  in gfs2_make_fs_rw()
407 	error = init_threads(sdp);  in gfs2_make_fs_rw()
411 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,  in gfs2_make_fs_rw()
418 	error = gfs2_find_jhead(sdp->sd_jdesc, &head);  in gfs2_make_fs_rw()
423 		gfs2_consist(sdp);  in gfs2_make_fs_rw()
429 	sdp->sd_log_sequence = head.lh_sequence + 1;  in gfs2_make_fs_rw()
430 	gfs2_log_pointers_init(sdp, head.lh_blkno);  in gfs2_make_fs_rw()
432 	error = gfs2_quota_init(sdp);  in gfs2_make_fs_rw()
436 	set_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in gfs2_make_fs_rw()
446 	kthread_stop(sdp->sd_quotad_process);  in gfs2_make_fs_rw()
447 	kthread_stop(sdp->sd_logd_process);  in gfs2_make_fs_rw()
469 int gfs2_statfs_init(struct gfs2_sbd *sdp)  in gfs2_statfs_init()  argument
471 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_init()
472 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_init()
473 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_init()
474 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_init()
488 	if (sdp->sd_args.ar_spectator) {  in gfs2_statfs_init()
489 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
492 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
498 		spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
503 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_init()
515 void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,  in gfs2_statfs_change()  argument
518 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_change()
519 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_change()
520 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_change()
532 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
537 	if (sdp->sd_args.ar_statfs_percent) {  in gfs2_statfs_change()
539 		y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent;  in gfs2_statfs_change()
543 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_change()
547 		gfs2_wake_up_statfs(sdp);  in gfs2_statfs_change()
550 void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,  in update_statfs()  argument
553 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in update_statfs()
554 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in update_statfs()
555 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in update_statfs()
556 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in update_statfs()
560 	spin_lock(&sdp->sd_statfs_spin);  in update_statfs()
567 	spin_unlock(&sdp->sd_statfs_spin);  in update_statfs()
575 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs_sync()  local
576 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);  in gfs2_statfs_sync()
577 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);  in gfs2_statfs_sync()
578 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_sync()
579 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_sync()
594 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
598 		spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
601 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_sync()
607 	error = gfs2_trans_begin(sdp, 2 * RES_DINODE, 0);  in gfs2_statfs_sync()
611 	update_statfs(sdp, m_bh, l_bh);  in gfs2_statfs_sync()
612 	sdp->sd_statfs_force_sync = 0;  in gfs2_statfs_sync()
614 	gfs2_trans_end(sdp);  in gfs2_statfs_sync()
642 static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp,  in gfs2_lock_fs_check_clean()  argument
652 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
667 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_EXCLUSIVE,  in gfs2_lock_fs_check_clean()
670 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_lock_fs_check_clean()
744 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_write_inode()  local
752 		gfs2_ail1_flush(sdp, wbc);  in gfs2_write_inode()
778 	struct gfs2_sbd *sdp = GFS2_SB(inode);  in gfs2_dirty_inode()  local
791 			fs_err(sdp, "dirty_inode: glock %d\n", ret);  in gfs2_dirty_inode()
799 		ret = gfs2_trans_begin(sdp, RES_DINODE, 0);  in gfs2_dirty_inode()
801 			fs_err(sdp, "dirty_inode: gfs2_trans_begin %d\n", ret);  in gfs2_dirty_inode()
815 		gfs2_trans_end(sdp);  in gfs2_dirty_inode()
828 static int gfs2_make_fs_ro(struct gfs2_sbd *sdp)  in gfs2_make_fs_ro()  argument
833 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, GL_NOCACHE,  in gfs2_make_fs_ro()
835 	if (error && !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))  in gfs2_make_fs_ro()
838 	kthread_stop(sdp->sd_quotad_process);  in gfs2_make_fs_ro()
839 	kthread_stop(sdp->sd_logd_process);  in gfs2_make_fs_ro()
842 	gfs2_quota_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
843 	gfs2_statfs_sync(sdp->sd_vfs, 0);  in gfs2_make_fs_ro()
845 	down_write(&sdp->sd_log_flush_lock);  in gfs2_make_fs_ro()
846 	clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in gfs2_make_fs_ro()
847 	up_write(&sdp->sd_log_flush_lock);  in gfs2_make_fs_ro()
849 	gfs2_log_flush(sdp, NULL, SHUTDOWN_FLUSH);  in gfs2_make_fs_ro()
850 	wait_event(sdp->sd_reserving_log_wait, atomic_read(&sdp->sd_reserving_log) == 0);  in gfs2_make_fs_ro()
851 	gfs2_assert_warn(sdp, atomic_read(&sdp->sd_log_blks_free) == sdp->sd_jdesc->jd_blocks);  in gfs2_make_fs_ro()
856 	gfs2_quota_cleanup(sdp);  in gfs2_make_fs_ro()
869 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_put_super()  local
874 	set_bit(SDF_NORECOVERY, &sdp->sd_flags);  in gfs2_put_super()
879 	spin_lock(&sdp->sd_jindex_spin);  in gfs2_put_super()
880 	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {  in gfs2_put_super()
883 		spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
888 	spin_unlock(&sdp->sd_jindex_spin);  in gfs2_put_super()
891 		error = gfs2_make_fs_ro(sdp);  in gfs2_put_super()
893 			gfs2_io_error(sdp);  in gfs2_put_super()
899 	iput(sdp->sd_jindex);  in gfs2_put_super()
900 	iput(sdp->sd_statfs_inode);  in gfs2_put_super()
901 	iput(sdp->sd_rindex);  in gfs2_put_super()
902 	iput(sdp->sd_quota_inode);  in gfs2_put_super()
904 	gfs2_glock_put(sdp->sd_rename_gl);  in gfs2_put_super()
905 	gfs2_glock_put(sdp->sd_freeze_gl);  in gfs2_put_super()
907 	if (!sdp->sd_args.ar_spectator) {  in gfs2_put_super()
908 		gfs2_glock_dq_uninit(&sdp->sd_journal_gh);  in gfs2_put_super()
909 		gfs2_glock_dq_uninit(&sdp->sd_jinode_gh);  in gfs2_put_super()
910 		gfs2_glock_dq_uninit(&sdp->sd_sc_gh);  in gfs2_put_super()
911 		gfs2_glock_dq_uninit(&sdp->sd_qc_gh);  in gfs2_put_super()
912 		iput(sdp->sd_sc_inode);  in gfs2_put_super()
913 		iput(sdp->sd_qc_inode);  in gfs2_put_super()
916 	gfs2_glock_dq_uninit(&sdp->sd_live_gh);  in gfs2_put_super()
917 	gfs2_clear_rgrpd(sdp);  in gfs2_put_super()
918 	gfs2_jindex_free(sdp);  in gfs2_put_super()
920 	gfs2_gl_hash_clear(sdp);  in gfs2_put_super()
922 	gfs2_lm_unmount(sdp);  in gfs2_put_super()
925 	gfs2_sys_fs_del(sdp);  in gfs2_put_super()
937 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_sync_fs()  local
940 	if (wait && sdp)  in gfs2_sync_fs()
941 		gfs2_log_flush(sdp, NULL, NORMAL_FLUSH);  in gfs2_sync_fs()
949 	struct gfs2_sbd *sdp = container_of(work, struct gfs2_sbd, sd_freeze_work);  in gfs2_freeze_func()  local
950 	struct super_block *sb = sdp->sd_vfs;  in gfs2_freeze_func()
953 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, 0,  in gfs2_freeze_func()
957 		gfs2_assert_withdraw(sdp, 0);  in gfs2_freeze_func()
960 		atomic_set(&sdp->sd_freeze_state, SFS_UNFROZEN);  in gfs2_freeze_func()
965 			gfs2_assert_withdraw(sdp, 0);  in gfs2_freeze_func()
967 		if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))  in gfs2_freeze_func()
983 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_freeze()  local
986 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_freeze()
987 	if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN)  in gfs2_freeze()
990 	if (test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) {  in gfs2_freeze()
996 		error = gfs2_lock_fs_check_clean(sdp, &sdp->sd_freeze_gh);  in gfs2_freeze()
1002 			fs_err(sdp, "waiting for recovery before freeze\n");  in gfs2_freeze()
1006 			fs_err(sdp, "error freezing FS: %d\n", error);  in gfs2_freeze()
1010 		fs_err(sdp, "retrying...\n");  in gfs2_freeze()
1015 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_freeze()
1027 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_unfreeze()  local
1029 	mutex_lock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
1030         if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||  in gfs2_unfreeze()
1031 	    sdp->sd_freeze_gh.gh_gl == NULL) {  in gfs2_unfreeze()
1032 		mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
1036 	gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);  in gfs2_unfreeze()
1037 	mutex_unlock(&sdp->sd_freeze_mutex);  in gfs2_unfreeze()
1072 static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_slow()  argument
1086 	rgd_next = gfs2_rgrpd_get_first(sdp);  in gfs2_statfs_slow()
1140 static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)  in gfs2_statfs_i()  argument
1142 	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;  in gfs2_statfs_i()
1143 	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;  in gfs2_statfs_i()
1145 	spin_lock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
1152 	spin_unlock(&sdp->sd_statfs_spin);  in gfs2_statfs_i()
1175 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_statfs()  local
1179 	error = gfs2_rindex_update(sdp);  in gfs2_statfs()
1183 	if (gfs2_tune_get(sdp, gt_statfs_slow))  in gfs2_statfs()
1184 		error = gfs2_statfs_slow(sdp, &sc);  in gfs2_statfs()
1186 		error = gfs2_statfs_i(sdp, &sc);  in gfs2_statfs()
1192 	buf->f_bsize = sdp->sd_sb.sb_bsize;  in gfs2_statfs()
1214 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_remount_fs()  local
1215 	struct gfs2_args args = sdp->sd_args; /* Default to current settings */  in gfs2_remount_fs()
1216 	struct gfs2_tune *gt = &sdp->sd_tune;  in gfs2_remount_fs()
1234 	if (strcmp(args.ar_lockproto, sdp->sd_args.ar_lockproto) ||  in gfs2_remount_fs()
1235 	    strcmp(args.ar_locktable, sdp->sd_args.ar_locktable) ||  in gfs2_remount_fs()
1236 	    strcmp(args.ar_hostdata, sdp->sd_args.ar_hostdata))  in gfs2_remount_fs()
1240 	if (args_neq(&args, &sdp->sd_args, spectator) ||  in gfs2_remount_fs()
1241 	    args_neq(&args, &sdp->sd_args, localflocks) ||  in gfs2_remount_fs()
1242 	    args_neq(&args, &sdp->sd_args, meta))  in gfs2_remount_fs()
1245 	if (sdp->sd_args.ar_spectator)  in gfs2_remount_fs()
1250 			error = gfs2_make_fs_ro(sdp);  in gfs2_remount_fs()
1252 			error = gfs2_make_fs_rw(sdp);  in gfs2_remount_fs()
1257 	sdp->sd_args = args;  in gfs2_remount_fs()
1258 	if (sdp->sd_args.ar_posix_acl)  in gfs2_remount_fs()
1262 	if (sdp->sd_args.ar_nobarrier)  in gfs2_remount_fs()
1263 		set_bit(SDF_NOBARRIERS, &sdp->sd_flags);  in gfs2_remount_fs()
1265 		clear_bit(SDF_NOBARRIERS, &sdp->sd_flags);  in gfs2_remount_fs()
1279 	gfs2_online_uevent(sdp);  in gfs2_remount_fs()
1330 	struct gfs2_sbd *sdp = root->d_sb->s_fs_info;  in gfs2_show_options()  local
1331 	struct gfs2_args *args = &sdp->sd_args;  in gfs2_show_options()
1334 	if (is_ancestor(root, sdp->sd_master_dir))  in gfs2_show_options()
1387 	val = sdp->sd_tune.gt_logd_secs;  in gfs2_show_options()
1390 	val = sdp->sd_tune.gt_statfs_quantum;  in gfs2_show_options()
1393 	else if (sdp->sd_tune.gt_statfs_slow)  in gfs2_show_options()
1395 	val = sdp->sd_tune.gt_quota_quantum;  in gfs2_show_options()
1416 	if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags))  in gfs2_show_options()
1418 	if (test_bit(SDF_DEMOTE, &sdp->sd_flags))  in gfs2_show_options()
1441 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_dinode_dealloc()  local
1451 	error = gfs2_rindex_update(sdp);  in gfs2_dinode_dealloc()
1459 	rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr, 1);  in gfs2_dinode_dealloc()
1470 	error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA,  in gfs2_dinode_dealloc()
1471 				 sdp->sd_jdesc->jd_blocks);  in gfs2_dinode_dealloc()
1479 	gfs2_trans_end(sdp);  in gfs2_dinode_dealloc()
1512 	struct gfs2_sbd *sdp = sb->s_fs_info;  in gfs2_evict_inode()  local
1534 		error = gfs2_check_blk_type(sdp, ip->i_no_addr, GFS2_BLKST_UNLINKED);  in gfs2_evict_inode()
1577 	gfs2_log_flush(sdp, ip->i_gl, NORMAL_FLUSH);  in gfs2_evict_inode()
1587 	error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);  in gfs2_evict_inode()
1592 	gfs2_trans_end(sdp);  in gfs2_evict_inode()
1606 		fs_warn(sdp, "gfs2_evict_inode: %d\n", error);  in gfs2_evict_inode()