160 	 * A lot of features don't implement a proper PAGE sized loop for large  in btrfs_supported_blocksize()
261 	u64 features;  in __btrfs_set_fs_incompat()  local
264 	features = btrfs_super_incompat_flags(disk_super);  in __btrfs_set_fs_incompat()
265 	if (!(features & flag)) {  in __btrfs_set_fs_incompat()
267 		features = btrfs_super_incompat_flags(disk_super);  in __btrfs_set_fs_incompat()
268 		if (!(features & flag)) {  in __btrfs_set_fs_incompat()
269 			features |= flag;  in __btrfs_set_fs_incompat()
270 			btrfs_set_super_incompat_flags(disk_super, features);  in __btrfs_set_fs_incompat()
284 	u64 features;  in __btrfs_clear_fs_incompat()  local
287 	features = btrfs_super_incompat_flags(disk_super);  in __btrfs_clear_fs_incompat()
288 	if (features & flag) {  in __btrfs_clear_fs_incompat()
290 		features = btrfs_super_incompat_flags(disk_super);  in __btrfs_clear_fs_incompat()
291 		if (features & flag) {  in __btrfs_clear_fs_incompat()
292 			features &= ~flag;  in __btrfs_clear_fs_incompat()
293 			btrfs_set_super_incompat_flags(disk_super, features);  in __btrfs_clear_fs_incompat()
307 	u64 features;  in __btrfs_set_fs_compat_ro()  local
310 	features = btrfs_super_compat_ro_flags(disk_super);  in __btrfs_set_fs_compat_ro()
311 	if (!(features & flag)) {  in __btrfs_set_fs_compat_ro()
313 		features = btrfs_super_compat_ro_flags(disk_super);  in __btrfs_set_fs_compat_ro()
314 		if (!(features & flag)) {  in __btrfs_set_fs_compat_ro()
315 			features |= flag;  in __btrfs_set_fs_compat_ro()
316 			btrfs_set_super_compat_ro_flags(disk_super, features);  in __btrfs_set_fs_compat_ro()
330 	u64 features;  in __btrfs_clear_fs_compat_ro()  local
333 	features = btrfs_super_compat_ro_flags(disk_super);  in __btrfs_clear_fs_compat_ro()
334 	if (features & flag) {  in __btrfs_clear_fs_compat_ro()
336 		features = btrfs_super_compat_ro_flags(disk_super);  in __btrfs_clear_fs_compat_ro()
337 		if (features & flag) {  in __btrfs_clear_fs_compat_ro()
338 			features &= ~flag;  in __btrfs_clear_fs_compat_ro()
339 			btrfs_set_super_compat_ro_flags(disk_super, features);  in __btrfs_clear_fs_compat_ro()