266 static int __sbi_read_stats(struct exofs_sb_info *sbi)  in __sbi_read_stats()  argument
274 	ret = ore_get_io_state(&sbi->layout, &sbi->oc, &ios);  in __sbi_read_stats()
305 		sbi->s_nextid = le64_to_cpu(ess->s_nextid);  in __sbi_read_stats()
306 		sbi->s_numfiles = le32_to_cpu(ess->s_numfiles);  in __sbi_read_stats()
321 int exofs_sbi_write_stats(struct exofs_sb_info *sbi)  in exofs_sbi_write_stats()  argument
329 	ret = ore_get_io_state(&sbi->layout, &sbi->oc, &ios);  in exofs_sbi_write_stats()
335 	sbi->s_ess.s_nextid   = cpu_to_le64(sbi->s_nextid);  in exofs_sbi_write_stats()
336 	sbi->s_ess.s_numfiles = cpu_to_le64(sbi->s_numfiles);  in exofs_sbi_write_stats()
337 	attrs[0].val_ptr = &sbi->s_ess;  in exofs_sbi_write_stats()
341 	ios->private = sbi;  in exofs_sbi_write_stats()
365 	struct exofs_sb_info *sbi;  in exofs_sync_fs()  local
376 	sbi = sb->s_fs_info;  in exofs_sync_fs()
386 	exofs_init_comps(&oc, &one_comp, sbi, EXOFS_SUPER_ID);  in exofs_sync_fs()
388 	ret = ore_get_io_state(&sbi->layout, &oc, &ios);  in exofs_sync_fs()
394 	fscb->s_nextid = cpu_to_le64(sbi->s_nextid);  in exofs_sync_fs()
395 	fscb->s_numfiles = cpu_to_le64(sbi->s_numfiles);  in exofs_sync_fs()
408 	EXOFS_DBGMSG("s_nextid=0x%llx ret=%d\n", _LLU(sbi->s_nextid), ret);  in exofs_sync_fs()
423 static void exofs_free_sbi(struct exofs_sb_info *sbi)  in exofs_free_sbi()  argument
425 	unsigned numdevs = sbi->oc.numdevs;  in exofs_free_sbi()
429 		struct osd_dev *od = ore_comp_dev(&sbi->oc, i);  in exofs_free_sbi()
432 			ore_comp_set_dev(&sbi->oc, i, NULL);  in exofs_free_sbi()
436 	kfree(sbi->oc.ods);  in exofs_free_sbi()
437 	kfree(sbi);  in exofs_free_sbi()
447 	struct exofs_sb_info *sbi = sb->s_fs_info;  in exofs_put_super()  local
450 	for (num_pend = atomic_read(&sbi->s_curr_pending); num_pend > 0;  in exofs_put_super()
451 	     num_pend = atomic_read(&sbi->s_curr_pending)) {  in exofs_put_super()
459 				  (atomic_read(&sbi->s_curr_pending) == 0),  in exofs_put_super()
463 	_exofs_print_device("Unmounting", NULL, ore_comp_dev(&sbi->oc, 0),  in exofs_put_super()
464 			    sbi->one_comp.obj.partition);  in exofs_put_super()
466 	exofs_sysfs_sb_del(sbi);  in exofs_put_super()
467 	bdi_destroy(&sbi->bdi);  in exofs_put_super()
468 	exofs_free_sbi(sbi);  in exofs_put_super()
472 static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs,  in _read_and_match_data_map()  argument
477 	sbi->layout.stripe_unit =  in _read_and_match_data_map()
479 	sbi->layout.group_width =  in _read_and_match_data_map()
481 	sbi->layout.group_depth =  in _read_and_match_data_map()
483 	sbi->layout.mirrors_p1  =  in _read_and_match_data_map()
485 	sbi->layout.raid_algorithm  =  in _read_and_match_data_map()
488 	ret = ore_verify_layout(numdevs, &sbi->layout);  in _read_and_match_data_map()
494 		sbi->layout.stripe_unit,  in _read_and_match_data_map()
495 		sbi->layout.group_width,  in _read_and_match_data_map()
496 		_LLU(sbi->layout.group_depth),  in _read_and_match_data_map()
497 		sbi->layout.mirrors_p1,  in _read_and_match_data_map()
498 		sbi->layout.raid_algorithm);  in _read_and_match_data_map()
546 static int __alloc_dev_table(struct exofs_sb_info *sbi, unsigned numdevs,  in __alloc_dev_table()  argument
566 	sbi->oc.ods = aoded->oreds;  in __alloc_dev_table()
573 static int exofs_read_lookup_dev_table(struct exofs_sb_info *sbi,  in exofs_read_lookup_dev_table()  argument
592 	sbi->oc.numdevs = 0;  in exofs_read_lookup_dev_table()
594 	comp.obj.partition = sbi->one_comp.obj.partition;  in exofs_read_lookup_dev_table()
612 	ret = _read_and_match_data_map(sbi, numdevs, dt);  in exofs_read_lookup_dev_table()
616 	ret = __alloc_dev_table(sbi, numdevs, &eds);  in exofs_read_lookup_dev_table()
624 	memcpy(&sbi->oc.ods[numdevs], &sbi->oc.ods[0],  in exofs_read_lookup_dev_table()
625 		(numdevs - 1) * sizeof(sbi->oc.ods[0]));  in exofs_read_lookup_dev_table()
631 	exofs_sysfs_sb_add(sbi, &dt->dt_dev_table[0]);  in exofs_read_lookup_dev_table()
656 			++sbi->oc.numdevs;  in exofs_read_lookup_dev_table()
658 			exofs_sysfs_odev_add(&eds[i], sbi);  in exofs_read_lookup_dev_table()
671 		++sbi->oc.numdevs;  in exofs_read_lookup_dev_table()
684 		exofs_sysfs_odev_add(&eds[i], sbi);  in exofs_read_lookup_dev_table()
709 	struct exofs_sb_info *sbi;	/*extended info                  */  in exofs_fill_super()  local
716 	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);  in exofs_fill_super()
717 	if (!sbi)  in exofs_fill_super()
738 	sbi->layout.stripe_unit = PAGE_SIZE;  in exofs_fill_super()
739 	sbi->layout.mirrors_p1 = 1;  in exofs_fill_super()
740 	sbi->layout.group_width = 1;  in exofs_fill_super()
741 	sbi->layout.group_depth = -1;  in exofs_fill_super()
742 	sbi->layout.group_count = 1;  in exofs_fill_super()
743 	sbi->s_timeout = opts->timeout;  in exofs_fill_super()
745 	sbi->one_comp.obj.partition = opts->pid;  in exofs_fill_super()
746 	sbi->one_comp.obj.id = 0;  in exofs_fill_super()
747 	exofs_make_credential(sbi->one_comp.cred, &sbi->one_comp.obj);  in exofs_fill_super()
748 	sbi->oc.single_comp = EC_SINGLE_COMP;  in exofs_fill_super()
749 	sbi->oc.comps = &sbi->one_comp;  in exofs_fill_super()
758 	atomic_set(&sbi->s_curr_pending, 0);  in exofs_fill_super()
762 	comp.obj.partition = sbi->one_comp.obj.partition;  in exofs_fill_super()
772 	sbi->s_nextid = le64_to_cpu(fscb.s_nextid);  in exofs_fill_super()
773 	sbi->s_numfiles = le32_to_cpu(fscb.s_numfiles);  in exofs_fill_super()
790 	get_random_bytes(&sbi->s_next_generation, sizeof(u32));  in exofs_fill_super()
791 	spin_lock_init(&sbi->s_next_gen_lock);  in exofs_fill_super()
795 		ret = exofs_read_lookup_dev_table(sbi, od, table_count);  in exofs_fill_super()
801 		ret = __alloc_dev_table(sbi, 1, &eds);  in exofs_fill_super()
805 		ore_comp_set_dev(&sbi->oc, 0, od);  in exofs_fill_super()
806 		sbi->oc.numdevs = 1;  in exofs_fill_super()
809 	__sbi_read_stats(sbi);  in exofs_fill_super()
812 	sbi->bdi.ra_pages = __ra_pages(&sbi->layout);  in exofs_fill_super()
813 	sb->s_bdi = &sbi->bdi;  in exofs_fill_super()
814 	sb->s_fs_info = sbi;  in exofs_fill_super()
839 	ret = bdi_setup_and_register(&sbi->bdi, "exofs");  in exofs_fill_super()
849 			    ore_comp_dev(&sbi->oc, 0),  in exofs_fill_super()
850 			    sbi->one_comp.obj.partition);  in exofs_fill_super()
855 		  opts->dev_name, sbi->one_comp.obj.partition, ret);  in exofs_fill_super()
856 	exofs_free_sbi(sbi);  in exofs_fill_super()
886 	struct exofs_sb_info *sbi = sb->s_fs_info;  in exofs_statfs()  local
898 	ret = ore_get_io_state(&sbi->layout, &sbi->oc, &ios);  in exofs_statfs()
931 	buf->f_files = sbi->s_numfiles;  in exofs_statfs()
932 	buf->f_ffree = EXOFS_MAX_ID - sbi->s_numfiles;  in exofs_statfs()