244 static int namespace_equals(struct ceph_mount_options *fsopt,  in namespace_equals()  argument
247 	return !(fsopt->mds_namespace &&  in namespace_equals()
248 		 (strlen(fsopt->mds_namespace) != len ||  in namespace_equals()
249 		  strncmp(fsopt->mds_namespace, namespace, len)));  in namespace_equals()
257 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_parse_old_source()  local
267 	fsopt->new_dev_syntax = false;  in ceph_parse_old_source()
277 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_parse_new_source()  local
300 	if (!namespace_equals(fsopt, fs_name_start, len))  in ceph_parse_new_source()
302 	kfree(fsopt->mds_namespace);  in ceph_parse_new_source()
303 	fsopt->mds_namespace = kstrndup(fs_name_start, len, GFP_KERNEL);  in ceph_parse_new_source()
304 	if (!fsopt->mds_namespace)  in ceph_parse_new_source()
306 	dout("file system (mds namespace) '%s'\n", fsopt->mds_namespace);  in ceph_parse_new_source()
308 	fsopt->new_dev_syntax = true;  in ceph_parse_new_source()
333 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_parse_source()  local
347 		kfree(fsopt->server_path);  in ceph_parse_source()
348 		fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL);  in ceph_parse_source()
349 		if (!fsopt->server_path)  in ceph_parse_source()
352 		canonicalize_path(fsopt->server_path);  in ceph_parse_source()
362 	if (fsopt->server_path)  in ceph_parse_source()
363 		dout("server path '%s'\n", fsopt->server_path);  in ceph_parse_source()
385 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_parse_mon_addr()  local
387 	kfree(fsopt->mon_addr);  in ceph_parse_mon_addr()
388 	fsopt->mon_addr = param->string;  in ceph_parse_mon_addr()
391 	return ceph_parse_mon_ips(fsopt->mon_addr, strlen(fsopt->mon_addr),  in ceph_parse_mon_addr()
399 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_parse_mount_param()  local
415 		kfree(fsopt->snapdir_name);  in ceph_parse_mount_param()
416 		fsopt->snapdir_name = param->string;  in ceph_parse_mount_param()
420 		if (!namespace_equals(fsopt, param->string, strlen(param->string)))  in ceph_parse_mount_param()
422 		kfree(fsopt->mds_namespace);  in ceph_parse_mount_param()
423 		fsopt->mds_namespace = param->string;  in ceph_parse_mount_param()
429 			fsopt->flags &= ~CEPH_MOUNT_OPT_CLEANRECOVER;  in ceph_parse_mount_param()
431 			fsopt->flags |= CEPH_MOUNT_OPT_CLEANRECOVER;  in ceph_parse_mount_param()
445 		fsopt->wsize = ALIGN(result.uint_32, PAGE_SIZE);  in ceph_parse_mount_param()
451 		fsopt->rsize = ALIGN(result.uint_32, PAGE_SIZE);  in ceph_parse_mount_param()
454 		fsopt->rasize = ALIGN(result.uint_32, PAGE_SIZE);  in ceph_parse_mount_param()
459 		fsopt->caps_wanted_delay_min = result.uint_32;  in ceph_parse_mount_param()
464 		fsopt->caps_wanted_delay_max = result.uint_32;  in ceph_parse_mount_param()
469 		fsopt->caps_max = result.int_32;  in ceph_parse_mount_param()
474 		fsopt->max_readdir = result.uint_32;  in ceph_parse_mount_param()
479 		fsopt->max_readdir_bytes = result.uint_32;  in ceph_parse_mount_param()
484 		fsopt->congestion_kb = result.uint_32;  in ceph_parse_mount_param()
488 			fsopt->flags |= CEPH_MOUNT_OPT_DIRSTAT;  in ceph_parse_mount_param()
490 			fsopt->flags &= ~CEPH_MOUNT_OPT_DIRSTAT;  in ceph_parse_mount_param()
494 			fsopt->flags |= CEPH_MOUNT_OPT_RBYTES;  in ceph_parse_mount_param()
496 			fsopt->flags &= ~CEPH_MOUNT_OPT_RBYTES;  in ceph_parse_mount_param()
500 			fsopt->flags &= ~CEPH_MOUNT_OPT_NOASYNCREADDIR;  in ceph_parse_mount_param()
502 			fsopt->flags |= CEPH_MOUNT_OPT_NOASYNCREADDIR;  in ceph_parse_mount_param()
506 			fsopt->flags |= CEPH_MOUNT_OPT_DCACHE;  in ceph_parse_mount_param()
508 			fsopt->flags &= ~CEPH_MOUNT_OPT_DCACHE;  in ceph_parse_mount_param()
512 			fsopt->flags |= CEPH_MOUNT_OPT_INO32;  in ceph_parse_mount_param()
514 			fsopt->flags &= ~CEPH_MOUNT_OPT_INO32;  in ceph_parse_mount_param()
519 		kfree(fsopt->fscache_uniq);  in ceph_parse_mount_param()
520 		fsopt->fscache_uniq = NULL;  in ceph_parse_mount_param()
522 			fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;  in ceph_parse_mount_param()
524 			fsopt->flags |= CEPH_MOUNT_OPT_FSCACHE;  in ceph_parse_mount_param()
525 			fsopt->fscache_uniq = param->string;  in ceph_parse_mount_param()
534 			fsopt->flags &= ~CEPH_MOUNT_OPT_NOPOOLPERM;  in ceph_parse_mount_param()
536 			fsopt->flags |= CEPH_MOUNT_OPT_NOPOOLPERM;  in ceph_parse_mount_param()
540 			fsopt->flags &= ~CEPH_MOUNT_OPT_MOUNTWAIT;  in ceph_parse_mount_param()
542 			fsopt->flags |= CEPH_MOUNT_OPT_MOUNTWAIT;  in ceph_parse_mount_param()
546 			fsopt->flags &= ~CEPH_MOUNT_OPT_NOQUOTADF;  in ceph_parse_mount_param()
548 			fsopt->flags |= CEPH_MOUNT_OPT_NOQUOTADF;  in ceph_parse_mount_param()
552 			fsopt->flags &= ~CEPH_MOUNT_OPT_NOCOPYFROM;  in ceph_parse_mount_param()
554 			fsopt->flags |= CEPH_MOUNT_OPT_NOCOPYFROM;  in ceph_parse_mount_param()
569 			fsopt->flags &= ~CEPH_MOUNT_OPT_ASYNC_DIROPS;  in ceph_parse_mount_param()
571 			fsopt->flags |= CEPH_MOUNT_OPT_ASYNC_DIROPS;  in ceph_parse_mount_param()
575 			fsopt->flags |= CEPH_MOUNT_OPT_NOPAGECACHE;  in ceph_parse_mount_param()
577 			fsopt->flags &= ~CEPH_MOUNT_OPT_NOPAGECACHE;  in ceph_parse_mount_param()
657 	struct ceph_mount_options *fsopt = fsc->mount_options;  in ceph_show_options()  local
673 	if (fsopt->flags & CEPH_MOUNT_OPT_DIRSTAT)  in ceph_show_options()
675 	if ((fsopt->flags & CEPH_MOUNT_OPT_RBYTES))  in ceph_show_options()
677 	if (fsopt->flags & CEPH_MOUNT_OPT_NOASYNCREADDIR)  in ceph_show_options()
679 	if ((fsopt->flags & CEPH_MOUNT_OPT_DCACHE) == 0)  in ceph_show_options()
681 	if (fsopt->flags & CEPH_MOUNT_OPT_INO32)  in ceph_show_options()
683 	if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE) {  in ceph_show_options()
684 		seq_show_option(m, "fsc", fsopt->fscache_uniq);  in ceph_show_options()
686 	if (fsopt->flags & CEPH_MOUNT_OPT_NOPOOLPERM)  in ceph_show_options()
688 	if (fsopt->flags & CEPH_MOUNT_OPT_NOQUOTADF)  in ceph_show_options()
698 	if ((fsopt->flags & CEPH_MOUNT_OPT_NOCOPYFROM) == 0)  in ceph_show_options()
702 	if (fsopt->mds_namespace && !fsopt->new_dev_syntax)  in ceph_show_options()
703 		seq_show_option(m, "mds_namespace", fsopt->mds_namespace);  in ceph_show_options()
705 	if (fsopt->mon_addr)  in ceph_show_options()
706 		seq_printf(m, ",mon_addr=%s", fsopt->mon_addr);  in ceph_show_options()
708 	if (fsopt->flags & CEPH_MOUNT_OPT_CLEANRECOVER)  in ceph_show_options()
711 	if (!(fsopt->flags & CEPH_MOUNT_OPT_ASYNC_DIROPS))  in ceph_show_options()
714 	if (fsopt->flags & CEPH_MOUNT_OPT_NOPAGECACHE)  in ceph_show_options()
717 	if (fsopt->wsize != CEPH_MAX_WRITE_SIZE)  in ceph_show_options()
718 		seq_printf(m, ",wsize=%u", fsopt->wsize);  in ceph_show_options()
719 	if (fsopt->rsize != CEPH_MAX_READ_SIZE)  in ceph_show_options()
720 		seq_printf(m, ",rsize=%u", fsopt->rsize);  in ceph_show_options()
721 	if (fsopt->rasize != CEPH_RASIZE_DEFAULT)  in ceph_show_options()
722 		seq_printf(m, ",rasize=%u", fsopt->rasize);  in ceph_show_options()
723 	if (fsopt->congestion_kb != default_congestion_kb())  in ceph_show_options()
724 		seq_printf(m, ",write_congestion_kb=%u", fsopt->congestion_kb);  in ceph_show_options()
725 	if (fsopt->caps_max)  in ceph_show_options()
726 		seq_printf(m, ",caps_max=%d", fsopt->caps_max);  in ceph_show_options()
727 	if (fsopt->caps_wanted_delay_min != CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT)  in ceph_show_options()
729 			 fsopt->caps_wanted_delay_min);  in ceph_show_options()
730 	if (fsopt->caps_wanted_delay_max != CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT)  in ceph_show_options()
732 			   fsopt->caps_wanted_delay_max);  in ceph_show_options()
733 	if (fsopt->max_readdir != CEPH_MAX_READDIR_DEFAULT)  in ceph_show_options()
734 		seq_printf(m, ",readdir_max_entries=%u", fsopt->max_readdir);  in ceph_show_options()
735 	if (fsopt->max_readdir_bytes != CEPH_MAX_READDIR_BYTES_DEFAULT)  in ceph_show_options()
736 		seq_printf(m, ",readdir_max_bytes=%u", fsopt->max_readdir_bytes);  in ceph_show_options()
737 	if (strcmp(fsopt->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))  in ceph_show_options()
738 		seq_show_option(m, "snapdirname", fsopt->snapdir_name);  in ceph_show_options()
769 static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt,  in create_fs_client()  argument
791 	if (!fsopt->mds_namespace) {  in create_fs_client()
799 	fsc->mount_options = fsopt;  in create_fs_client()
838 	destroy_mount_options(fsopt);  in create_fs_client()
1141 	struct ceph_mount_options *fsopt = new->mount_options;  in ceph_compare_super()  local
1147 	if (compare_mount_options(fsopt, opt, fsc)) {  in ceph_compare_super()
1200 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_get_tree()  local
1212 	if (fsopt->new_dev_syntax && !fsopt->mon_addr)  in ceph_get_tree()
1291 	struct ceph_mount_options *fsopt = pctx->opts;  in ceph_reconfigure_fc()  local
1294 	if (fsopt->flags & CEPH_MOUNT_OPT_ASYNC_DIROPS)  in ceph_reconfigure_fc()
1299 	if (strcmp_null(fsc->mount_options->mon_addr, fsopt->mon_addr)) {  in ceph_reconfigure_fc()
1301 		fsc->mount_options->mon_addr = fsopt->mon_addr;  in ceph_reconfigure_fc()
1302 		fsopt->mon_addr = NULL;  in ceph_reconfigure_fc()
1323 	struct ceph_mount_options *fsopt;  in ceph_init_fs_context()  local
1337 	fsopt = pctx->opts;  in ceph_init_fs_context()
1338 	fsopt->flags = CEPH_MOUNT_OPT_DEFAULT;  in ceph_init_fs_context()
1340 	fsopt->wsize = CEPH_MAX_WRITE_SIZE;  in ceph_init_fs_context()
1341 	fsopt->rsize = CEPH_MAX_READ_SIZE;  in ceph_init_fs_context()
1342 	fsopt->rasize = CEPH_RASIZE_DEFAULT;  in ceph_init_fs_context()
1343 	fsopt->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);  in ceph_init_fs_context()
1344 	if (!fsopt->snapdir_name)  in ceph_init_fs_context()
1347 	fsopt->caps_wanted_delay_min = CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT;  in ceph_init_fs_context()
1348 	fsopt->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;  in ceph_init_fs_context()
1349 	fsopt->max_readdir = CEPH_MAX_READDIR_DEFAULT;  in ceph_init_fs_context()
1350 	fsopt->max_readdir_bytes = CEPH_MAX_READDIR_BYTES_DEFAULT;  in ceph_init_fs_context()
1351 	fsopt->congestion_kb = default_congestion_kb();  in ceph_init_fs_context()