1 /* SPDX-License-Identifier: GPL-2.0 */
48 #define DECLARE_BTRFS_SETGET_BITS(bits)					\  argument
49 u##bits btrfs_get_token_##bits(struct btrfs_map_token *token,		\
51 void btrfs_set_token_##bits(struct btrfs_map_token *token,		\
53 			    u##bits val);				\
54 u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
56 void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr,	\
57 		      unsigned long off, u##bits val);
61 DECLARE_BTRFS_SETGET_BITS(32)
64 #define BTRFS_SETGET_FUNCS(name, type, member, bits)			\  argument
65 static inline u##bits btrfs_##name(const struct extent_buffer *eb,	\
68 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
69 	return btrfs_get_##bits(eb, s, offsetof(type, member));		\
72 				    u##bits val)			\
74 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
75 	btrfs_set_##bits(eb, s, offsetof(type, member), val);		\
77 static inline u##bits btrfs_token_##name(struct btrfs_map_token *token,	\
80 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
81 	return btrfs_get_token_##bits(token, s, offsetof(type, member));\
84 					  type *s, u##bits val)		\
86 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
87 	btrfs_set_token_##bits(token, s, offsetof(type, member), val);	\
90 #define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)		\  argument
91 static inline u##bits btrfs_##name(const struct extent_buffer *eb)	\
93 	const type *p = folio_address(eb->folios[0]) +			\
94 			offset_in_page(eb->start);			\
95 	return get_unaligned_le##bits(&p->member);			\
98 				    u##bits val)			\
100 	type *p = folio_address(eb->folios[0]) + offset_in_page(eb->start); \
101 	put_unaligned_le##bits(val, &p->member);			\
104 #define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)		\  argument
105 static inline u##bits btrfs_##name(const type *s)			\
107 	return get_unaligned_le##bits(&s->member);			\
109 static inline void btrfs_set_##name(type *s, u##bits val)		\
111 	put_unaligned_le##bits(val, &s->member);			\
125 	WARN_ON(!IS_ALIGNED(val, eb->fs_info->sectorsize));  in btrfs_set_device_total_bytes()
131 BTRFS_SETGET_FUNCS(device_io_align, struct btrfs_dev_item, io_align, 32);
132 BTRFS_SETGET_FUNCS(device_io_width, struct btrfs_dev_item, io_width, 32);
134 BTRFS_SETGET_FUNCS(device_sector_size, struct btrfs_dev_item, sector_size, 32);
136 BTRFS_SETGET_FUNCS(device_group, struct btrfs_dev_item, dev_group, 32);
147 			 io_align, 32);
149 			 io_width, 32);
151 			 sector_size, 32);
153 BTRFS_SETGET_STACK_FUNCS(stack_device_group, struct btrfs_dev_item, dev_group, 32);
174 BTRFS_SETGET_FUNCS(chunk_io_align, struct btrfs_chunk, io_align, 32);
175 BTRFS_SETGET_FUNCS(chunk_io_width, struct btrfs_chunk, io_width, 32);
176 BTRFS_SETGET_FUNCS(chunk_sector_size, struct btrfs_chunk, sector_size, 32);
192 BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_align, struct btrfs_chunk, io_align, 32);
193 BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_width, struct btrfs_chunk, io_width, 32);
195 			 sector_size, 32);
259 		   extent_count, 32);
260 BTRFS_SETGET_FUNCS(free_space_flags, struct btrfs_free_space_info, flags, 32);
282 BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
283 BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
284 BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
285 BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
298 BTRFS_SETGET_STACK_FUNCS(stack_inode_nlink, struct btrfs_inode_item, nlink, 32);
299 BTRFS_SETGET_STACK_FUNCS(stack_inode_uid, struct btrfs_inode_item, uid, 32);
300 BTRFS_SETGET_STACK_FUNCS(stack_inode_gid, struct btrfs_inode_item, gid, 32);
301 BTRFS_SETGET_STACK_FUNCS(stack_inode_mode, struct btrfs_inode_item, mode, 32);
305 BTRFS_SETGET_FUNCS(timespec_nsec, struct btrfs_timespec, nsec, 32);
307 BTRFS_SETGET_STACK_FUNCS(stack_timespec_nsec, struct btrfs_timespec, nsec, 32);
357 BTRFS_SETGET_FUNCS(extent_data_ref_count, struct btrfs_extent_data_ref, count, 32);
359 BTRFS_SETGET_FUNCS(shared_data_ref_count, struct btrfs_shared_data_ref, count, 32);
450 BTRFS_SETGET_FUNCS(raw_item_offset, struct btrfs_item, offset, 32);
451 BTRFS_SETGET_FUNCS(raw_item_size, struct btrfs_item, size, 32);
452 BTRFS_SETGET_STACK_FUNCS(stack_item_offset, struct btrfs_item, offset, 32);
453 BTRFS_SETGET_STACK_FUNCS(stack_item_size, struct btrfs_item, size, 32);
479 	struct btrfs_item *item = btrfs_item_nr(token->eb, slot);		\
485 	struct btrfs_item *item = btrfs_item_nr(token->eb, slot);		\
587  * Optimized helpers for little-endian architectures where CPU and on-disk
633 	cpu->offset = le64_to_cpu(disk->offset);  in btrfs_disk_key_to_cpu()
634 	cpu->type = disk->type;  in btrfs_disk_key_to_cpu()
635 	cpu->objectid = le64_to_cpu(disk->objectid);  in btrfs_disk_key_to_cpu()
641 	disk->offset = cpu_to_le64(cpu->offset);  in btrfs_cpu_key_to_disk()
642 	disk->type = cpu->type;  in btrfs_cpu_key_to_disk()
643 	disk->objectid = cpu_to_le64(cpu->objectid);  in btrfs_cpu_key_to_disk()
680 BTRFS_SETGET_HEADER_FUNCS(header_nritems, struct btrfs_header, nritems, 32);
686 BTRFS_SETGET_STACK_FUNCS(stack_header_nritems, struct btrfs_header, nritems, 32);
731 BTRFS_SETGET_FUNCS(disk_root_refs, struct btrfs_root_item, refs, 32);
740 BTRFS_SETGET_STACK_FUNCS(root_refs, struct btrfs_root_item, refs, 32);
852 	cpu->profiles = le64_to_cpu(disk->profiles);  in btrfs_disk_balance_args_to_cpu()
853 	cpu->usage = le64_to_cpu(disk->usage);  in btrfs_disk_balance_args_to_cpu()
854 	cpu->devid = le64_to_cpu(disk->devid);  in btrfs_disk_balance_args_to_cpu()
855 	cpu->pstart = le64_to_cpu(disk->pstart);  in btrfs_disk_balance_args_to_cpu()
856 	cpu->pend = le64_to_cpu(disk->pend);  in btrfs_disk_balance_args_to_cpu()
857 	cpu->vstart = le64_to_cpu(disk->vstart);  in btrfs_disk_balance_args_to_cpu()
858 	cpu->vend = le64_to_cpu(disk->vend);  in btrfs_disk_balance_args_to_cpu()
859 	cpu->target = le64_to_cpu(disk->target);  in btrfs_disk_balance_args_to_cpu()
860 	cpu->flags = le64_to_cpu(disk->flags);  in btrfs_disk_balance_args_to_cpu()
861 	cpu->limit = le64_to_cpu(disk->limit);  in btrfs_disk_balance_args_to_cpu()
862 	cpu->stripes_min = le32_to_cpu(disk->stripes_min);  in btrfs_disk_balance_args_to_cpu()
863 	cpu->stripes_max = le32_to_cpu(disk->stripes_max);  in btrfs_disk_balance_args_to_cpu()
872 	disk->profiles = cpu_to_le64(cpu->profiles);  in btrfs_cpu_balance_args_to_disk()
873 	disk->usage = cpu_to_le64(cpu->usage);  in btrfs_cpu_balance_args_to_disk()
874 	disk->devid = cpu_to_le64(cpu->devid);  in btrfs_cpu_balance_args_to_disk()
875 	disk->pstart = cpu_to_le64(cpu->pstart);  in btrfs_cpu_balance_args_to_disk()
876 	disk->pend = cpu_to_le64(cpu->pend);  in btrfs_cpu_balance_args_to_disk()
877 	disk->vstart = cpu_to_le64(cpu->vstart);  in btrfs_cpu_balance_args_to_disk()
878 	disk->vend = cpu_to_le64(cpu->vend);  in btrfs_cpu_balance_args_to_disk()
879 	disk->target = cpu_to_le64(cpu->target);  in btrfs_cpu_balance_args_to_disk()
880 	disk->flags = cpu_to_le64(cpu->flags);  in btrfs_cpu_balance_args_to_disk()
881 	disk->limit = cpu_to_le64(cpu->limit);  in btrfs_cpu_balance_args_to_disk()
882 	disk->stripes_min = cpu_to_le32(cpu->stripes_min);  in btrfs_cpu_balance_args_to_disk()
883 	disk->stripes_max = cpu_to_le32(cpu->stripes_max);  in btrfs_cpu_balance_args_to_disk()
893 			 struct btrfs_super_block, sys_chunk_array_size, 32);
910 			 sectorsize, 32);
912 			 nodesize, 32);
914 			 stripesize, 32);