fs/btrfs/super.c

84 	unsigned long mount_opt;
278 		btrfs_set_opt(ctx->mount_opt, DEGRADED);
313 			btrfs_set_opt(ctx->mount_opt, NODATASUM);
315 			btrfs_clear_opt(ctx->mount_opt, NODATACOW);
316 			btrfs_clear_opt(ctx->mount_opt, NODATASUM);
321 			btrfs_clear_opt(ctx->mount_opt, COMPRESS);
322 			btrfs_clear_opt(ctx->mount_opt, FORCE_COMPRESS);
323 			btrfs_set_opt(ctx->mount_opt, NODATACOW);
324 			btrfs_set_opt(ctx->mount_opt, NODATASUM);
326 			btrfs_clear_opt(ctx->mount_opt, NODATACOW);
331 		btrfs_set_opt(ctx->mount_opt, FORCE_COMPRESS);
338 			btrfs_set_opt(ctx->mount_opt, COMPRESS);
339 			btrfs_clear_opt(ctx->mount_opt, NODATACOW);
340 			btrfs_clear_opt(ctx->mount_opt, NODATASUM);
346 			btrfs_set_opt(ctx->mount_opt, COMPRESS);
347 			btrfs_clear_opt(ctx->mount_opt, NODATACOW);
348 			btrfs_clear_opt(ctx->mount_opt, NODATASUM);
352 			btrfs_set_opt(ctx->mount_opt, COMPRESS);
353 			btrfs_clear_opt(ctx->mount_opt, NODATACOW);
354 			btrfs_clear_opt(ctx->mount_opt, NODATASUM);
360 			btrfs_set_opt(ctx->mount_opt, COMPRESS);
361 			btrfs_clear_opt(ctx->mount_opt, NODATACOW);
362 			btrfs_clear_opt(ctx->mount_opt, NODATASUM);
366 			btrfs_clear_opt(ctx->mount_opt, COMPRESS);
367 			btrfs_clear_opt(ctx->mount_opt, FORCE_COMPRESS);
376 			btrfs_set_opt(ctx->mount_opt, NOSSD);
377 			btrfs_clear_opt(ctx->mount_opt, SSD);
378 			btrfs_clear_opt(ctx->mount_opt, SSD_SPREAD);
380 			btrfs_set_opt(ctx->mount_opt, SSD);
381 			btrfs_clear_opt(ctx->mount_opt, NOSSD);
386 			btrfs_clear_opt(ctx->mount_opt, SSD_SPREAD);
388 			btrfs_set_opt(ctx->mount_opt, SSD);
389 			btrfs_set_opt(ctx->mount_opt, SSD_SPREAD);
390 			btrfs_clear_opt(ctx->mount_opt, NOSSD);
395 			btrfs_set_opt(ctx->mount_opt, NOBARRIER);
397 			btrfs_clear_opt(ctx->mount_opt, NOBARRIER);
432 			btrfs_set_opt(ctx->mount_opt, NOTREELOG);
434 			btrfs_clear_opt(ctx->mount_opt, NOTREELOG);
439 		btrfs_set_opt(ctx->mount_opt, NOLOGREPLAY);
443 			btrfs_clear_opt(ctx->mount_opt, FLUSHONCOMMIT);
445 			btrfs_set_opt(ctx->mount_opt, FLUSHONCOMMIT);
452 			btrfs_clear_opt(ctx->mount_opt, DISCARD_SYNC);
453 			btrfs_clear_opt(ctx->mount_opt, DISCARD_ASYNC);
454 			btrfs_set_opt(ctx->mount_opt, NODISCARD);
456 			btrfs_set_opt(ctx->mount_opt, DISCARD_SYNC);
457 			btrfs_clear_opt(ctx->mount_opt, DISCARD_ASYNC);
463 			btrfs_clear_opt(ctx->mount_opt, DISCARD_ASYNC);
464 			btrfs_set_opt(ctx->mount_opt, DISCARD_SYNC);
467 			btrfs_clear_opt(ctx->mount_opt, DISCARD_SYNC);
468 			btrfs_set_opt(ctx->mount_opt, DISCARD_ASYNC);
475 		btrfs_clear_opt(ctx->mount_opt, NODISCARD);
479 			btrfs_set_opt(ctx->mount_opt, NOSPACECACHE);
480 			btrfs_clear_opt(ctx->mount_opt, SPACE_CACHE);
481 			btrfs_clear_opt(ctx->mount_opt, FREE_SPACE_TREE);
483 			btrfs_clear_opt(ctx->mount_opt, FREE_SPACE_TREE);
484 			btrfs_set_opt(ctx->mount_opt, SPACE_CACHE);
490 			btrfs_set_opt(ctx->mount_opt, SPACE_CACHE);
491 			btrfs_clear_opt(ctx->mount_opt, FREE_SPACE_TREE);
494 			btrfs_clear_opt(ctx->mount_opt, SPACE_CACHE);
495 			btrfs_set_opt(ctx->mount_opt, FREE_SPACE_TREE);
504 		btrfs_set_opt(ctx->mount_opt, RESCAN_UUID_TREE);
507 		btrfs_set_opt(ctx->mount_opt, CLEAR_CACHE);
510 		btrfs_set_opt(ctx->mount_opt, USER_SUBVOL_RM_ALLOWED);
514 			btrfs_clear_opt(ctx->mount_opt, ENOSPC_DEBUG);
516 			btrfs_set_opt(ctx->mount_opt, ENOSPC_DEBUG);
520 			btrfs_clear_opt(ctx->mount_opt, AUTO_DEFRAG);
522 			btrfs_set_opt(ctx->mount_opt, AUTO_DEFRAG);
527 		btrfs_set_opt(ctx->mount_opt, USEBACKUPROOT);
530 		btrfs_set_opt(ctx->mount_opt, CLEAR_CACHE);
533 		btrfs_set_opt(ctx->mount_opt, SKIP_BALANCE);
538 			btrfs_set_opt(ctx->mount_opt, PANIC_ON_FATAL_ERROR);
541 			btrfs_clear_opt(ctx->mount_opt, PANIC_ON_FATAL_ERROR);
557 			btrfs_set_opt(ctx->mount_opt, USEBACKUPROOT);
560 			btrfs_set_opt(ctx->mount_opt, NOLOGREPLAY);
563 			btrfs_set_opt(ctx->mount_opt, IGNOREBADROOTS);
566 			btrfs_set_opt(ctx->mount_opt, IGNOREDATACSUMS);
569 			btrfs_set_opt(ctx->mount_opt, IGNOREDATACSUMS);
570 			btrfs_set_opt(ctx->mount_opt, IGNOREBADROOTS);
571 			btrfs_set_opt(ctx->mount_opt, NOLOGREPLAY);
583 			btrfs_set_opt(ctx->mount_opt, FRAGMENT_DATA);
584 			btrfs_set_opt(ctx->mount_opt, FRAGMENT_METADATA);
587 			btrfs_set_opt(ctx->mount_opt, FRAGMENT_METADATA);
590 			btrfs_set_opt(ctx->mount_opt, FRAGMENT_DATA);
601 		btrfs_set_opt(ctx->mount_opt, REF_VERIFY);
619 	btrfs_clear_opt(fs_info->mount_opt, USEBACKUPROOT);
620 	btrfs_clear_opt(fs_info->mount_opt, CLEAR_CACHE);
621 	btrfs_clear_opt(fs_info->mount_opt, NOSPACECACHE);
625 			    unsigned long mount_opt, unsigned long opt,
628 	if (mount_opt & opt) {
636 bool btrfs_check_options(struct btrfs_fs_info *info, unsigned long *mount_opt,
642 	    (check_ro_option(info, *mount_opt, BTRFS_MOUNT_NOLOGREPLAY, "nologreplay") ||
643 	     check_ro_option(info, *mount_opt, BTRFS_MOUNT_IGNOREBADROOTS, "ignorebadroots") ||
644 	     check_ro_option(info, *mount_opt, BTRFS_MOUNT_IGNOREDATACSUMS, "ignoredatacsums")))
648 	    !btrfs_raw_test_opt(*mount_opt, FREE_SPACE_TREE) &&
649 	    !btrfs_raw_test_opt(*mount_opt, CLEAR_CACHE)) {
654 	     !btrfs_raw_test_opt(*mount_opt, FREE_SPACE_TREE)) {
659 	if (btrfs_check_mountopts_zoned(info, mount_opt))
663 		if (btrfs_raw_test_opt(*mount_opt, SPACE_CACHE))
665 		if (btrfs_raw_test_opt(*mount_opt, FREE_SPACE_TREE))
687 		btrfs_clear_opt(fs_info->mount_opt, SPACE_CACHE);
692 			btrfs_set_opt(fs_info->mount_opt, FREE_SPACE_TREE);
721 		btrfs_set_opt(fs_info->mount_opt, FREE_SPACE_TREE);
723 		btrfs_set_opt(fs_info->mount_opt, SPACE_CACHE);
730 		btrfs_set_opt(fs_info->mount_opt, SSD);
746 		btrfs_set_opt(fs_info->mount_opt, DISCARD_ASYNC);
1212 	    (!btrfs_raw_test_opt(fs_info->mount_opt, AUTO_DEFRAG) ||
1232 	    (!btrfs_raw_test_opt(fs_info->mount_opt, AUTO_DEFRAG) || sb_rdonly(fs_info->sb))) {
1364 	fs_info->mount_opt = ctx->mount_opt;
1375 	ctx->mount_opt = fs_info->mount_opt;
1382 	if ((!old_ctx || !btrfs_raw_test_opt(old_ctx->mount_opt, opt)) &&	\
1383 	    btrfs_raw_test_opt(fs_info->mount_opt, opt))			\
1389 	if ((old_ctx && btrfs_raw_test_opt(old_ctx->mount_opt, opt)) &&	\
1390 	    !btrfs_raw_test_opt(fs_info->mount_opt, opt))		\
1434 	     (!btrfs_raw_test_opt(old->mount_opt, FORCE_COMPRESS) &&
1435 	      btrfs_raw_test_opt(info->mount_opt, FORCE_COMPRESS)))) {
1464 		ctx->mount_opt = old_ctx.mount_opt;
1470 	    !btrfs_check_options(fs_info, &ctx->mount_opt, fc->sb_flags))
1478 	btrfs_remount_begin(fs_info, old_ctx.mount_opt, fc->sb_flags);
1489 			btrfs_set_opt(fs_info->mount_opt, FREE_SPACE_TREE);
1490 			btrfs_clear_opt(fs_info->mount_opt, SPACE_CACHE);
1493 			btrfs_clear_opt(fs_info->mount_opt, FREE_SPACE_TREE);
1494 			btrfs_set_opt(fs_info->mount_opt, SPACE_CACHE);
1516 	btrfs_remount_cleanup(fs_info, old_ctx.mount_opt);
1523 	btrfs_remount_cleanup(fs_info, old_ctx.mount_opt);