1 /* SPDX-License-Identifier: GPL-2.0 */
57 #define DECLARE_BTRFS_SETGET_BITS(bits)					\  argument
58 u##bits btrfs_get_token_##bits(struct btrfs_map_token *token,		\
60 void btrfs_set_token_##bits(struct btrfs_map_token *token,		\
62 			    u##bits val);				\
63 u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
65 void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr,	\
66 		      unsigned long off, u##bits val);
70 DECLARE_BTRFS_SETGET_BITS(32)
73 #define BTRFS_SETGET_FUNCS(name, type, member, bits)			\  argument
74 static inline u##bits btrfs_##name(const struct extent_buffer *eb,	\
77 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
78 	return btrfs_get_##bits(eb, s, offsetof(type, member));		\
81 				    u##bits val)			\
83 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
84 	btrfs_set_##bits(eb, s, offsetof(type, member), val);		\
86 static inline u##bits btrfs_token_##name(struct btrfs_map_token *token,	\
89 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
90 	return btrfs_get_token_##bits(token, s, offsetof(type, member));\
93 					  type *s, u##bits val)		\
95 	static_assert(sizeof(u##bits) == sizeof_field(type, member));	\
96 	btrfs_set_token_##bits(token, s, offsetof(type, member), val);	\
99 #define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)		\  argument
100 static inline u##bits btrfs_##name(const struct extent_buffer *eb)	\
102 	const type *p = folio_address(eb->folios[0]) +			\
103 			offset_in_page(eb->start);			\
104 	return get_unaligned_le##bits(&p->member);			\
107 				    u##bits val)			\
109 	type *p = folio_address(eb->folios[0]) + offset_in_page(eb->start); \
110 	put_unaligned_le##bits(val, &p->member);			\
113 #define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)		\  argument
114 static inline u##bits btrfs_##name(const type *s)			\
116 	return get_unaligned_le##bits(&s->member);			\
118 static inline void btrfs_set_##name(type *s, u##bits val)		\
120 	put_unaligned_le##bits(val, &s->member);			\
134 	WARN_ON(!IS_ALIGNED(val, eb->fs_info->sectorsize));  in btrfs_set_device_total_bytes()
140 BTRFS_SETGET_FUNCS(device_io_align, struct btrfs_dev_item, io_align, 32);
141 BTRFS_SETGET_FUNCS(device_io_width, struct btrfs_dev_item, io_width, 32);
143 BTRFS_SETGET_FUNCS(device_sector_size, struct btrfs_dev_item, sector_size, 32);
145 BTRFS_SETGET_FUNCS(device_group, struct btrfs_dev_item, dev_group, 32);
156 			 io_align, 32);
158 			 io_width, 32);
160 			 sector_size, 32);
162 BTRFS_SETGET_STACK_FUNCS(stack_device_group, struct btrfs_dev_item, dev_group, 32);
183 BTRFS_SETGET_FUNCS(chunk_io_align, struct btrfs_chunk, io_align, 32);
184 BTRFS_SETGET_FUNCS(chunk_io_width, struct btrfs_chunk, io_width, 32);
185 BTRFS_SETGET_FUNCS(chunk_sector_size, struct btrfs_chunk, sector_size, 32);
201 BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_align, struct btrfs_chunk, io_align, 32);
202 BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_width, struct btrfs_chunk, io_width, 32);
204 			 sector_size, 32);
268 		   extent_count, 32);
269 BTRFS_SETGET_FUNCS(free_space_flags, struct btrfs_free_space_info, flags, 32);
291 BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
292 BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
293 BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
294 BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
307 BTRFS_SETGET_STACK_FUNCS(stack_inode_nlink, struct btrfs_inode_item, nlink, 32);
308 BTRFS_SETGET_STACK_FUNCS(stack_inode_uid, struct btrfs_inode_item, uid, 32);
309 BTRFS_SETGET_STACK_FUNCS(stack_inode_gid, struct btrfs_inode_item, gid, 32);
310 BTRFS_SETGET_STACK_FUNCS(stack_inode_mode, struct btrfs_inode_item, mode, 32);
314 BTRFS_SETGET_FUNCS(timespec_nsec, struct btrfs_timespec, nsec, 32);
316 BTRFS_SETGET_STACK_FUNCS(stack_timespec_nsec, struct btrfs_timespec, nsec, 32);
363 BTRFS_SETGET_FUNCS(extent_data_ref_count, struct btrfs_extent_data_ref, count, 32);
365 BTRFS_SETGET_FUNCS(shared_data_ref_count, struct btrfs_shared_data_ref, count, 32);
456 BTRFS_SETGET_FUNCS(raw_item_offset, struct btrfs_item, offset, 32);
457 BTRFS_SETGET_FUNCS(raw_item_size, struct btrfs_item, size, 32);
458 BTRFS_SETGET_STACK_FUNCS(stack_item_offset, struct btrfs_item, offset, 32);
459 BTRFS_SETGET_STACK_FUNCS(stack_item_size, struct btrfs_item, size, 32);
485 	struct btrfs_item *item = btrfs_item_nr(token->eb, slot);		\
491 	struct btrfs_item *item = btrfs_item_nr(token->eb, slot);		\
593  * Optimized helpers for little-endian architectures where CPU and on-disk
639 	cpu->offset = le64_to_cpu(disk->offset);  in btrfs_disk_key_to_cpu()
640 	cpu->type = disk->type;  in btrfs_disk_key_to_cpu()
641 	cpu->objectid = le64_to_cpu(disk->objectid);  in btrfs_disk_key_to_cpu()
647 	disk->offset = cpu_to_le64(cpu->offset);  in btrfs_cpu_key_to_disk()
648 	disk->type = cpu->type;  in btrfs_cpu_key_to_disk()
649 	disk->objectid = cpu_to_le64(cpu->objectid);  in btrfs_cpu_key_to_disk()
686 BTRFS_SETGET_HEADER_FUNCS(header_nritems, struct btrfs_header, nritems, 32);
692 BTRFS_SETGET_STACK_FUNCS(stack_header_nritems, struct btrfs_header, nritems, 32);
737 BTRFS_SETGET_FUNCS(disk_root_refs, struct btrfs_root_item, refs, 32);
746 BTRFS_SETGET_STACK_FUNCS(root_refs, struct btrfs_root_item, refs, 32);
860 			 struct btrfs_super_block, sys_chunk_array_size, 32);
877 			 sectorsize, 32);
879 			 nodesize, 32);
881 			 stripesize, 32);