fs/btrfs/file-item.c

131 	return (bytes >> fs_info->sectorsize_bits) * fs_info->csum_size;
134 static size_t csum_size_to_bytes(const struct btrfs_fs_info *fs_info, u32 csum_size)
136 	ASSERT(IS_ALIGNED(csum_size, fs_info->csum_size));
138 	return (csum_size / fs_info->csum_size) << fs_info->sectorsize_bits;
144 				       fs_info->csum_size);
212 	const u32 csum_size = fs_info->csum_size;
234 		csums_in_item /= csum_size;
245 					  csum_offset * csum_size);
286 	const u32 csum_size = fs_info->csum_size;
303 		csum_len = (itemsize / csum_size) * sectorsize;
321 	csum_len = (itemsize / csum_size) * sectorsize;
328 			ret * csum_size);
347 	const u32 csum_size = fs_info->csum_size;
375 	if (nblocks * csum_size > BTRFS_BIO_INLINE_CSUM_SIZE) {
376 		bbio->csum = kmalloc_array(nblocks, csum_size, GFP_NOFS);
407 			(bio_offset >> fs_info->sectorsize_bits) * csum_size;
430 			memset(csum_dst, 0, csum_size);
772 			index += fs_info->csum_size;
817 	const u32 csum_size = fs_info->csum_size;
823 	csum_end = btrfs_item_size(leaf, path->slots[0]) / csum_size;
835 		new_size *= csum_size;
846 		new_size *= csum_size;
870 	const u32 csum_size = fs_info->csum_size;
906 		csum_end = btrfs_item_size(leaf, path->slots[0]) / csum_size;
970 			offset *= csum_size;
972 			shift_len = (len >> blocksize_bits) * csum_size;
1054 	const u32 csum_size = fs_info->csum_size;
1086 		if ((item_size / csum_size) >=
1087 		    MAX_CSUM_ITEMS(fs_info, csum_size)) {
1110 	if (btrfs_leaf_free_space(leaf) >= csum_size) {
1120 				csum_size, 1);
1137 	    csum_offset >= MAX_CSUM_ITEMS(fs_info, csum_size)) {
1143 	    csum_size) {
1193 		diff = (csum_offset + extend_nr) * csum_size;
1195 			   MAX_CSUM_ITEMS(fs_info, csum_size) * csum_size);
1199 		diff /= csum_size;
1200 		diff *= csum_size;
1219 		tmp = min_t(u64, tmp, MAX_CSUM_ITEMS(fs_info, csum_size));
1220 		ins_size = csum_size * tmp;
1222 		ins_size = csum_size;
1234 					  csum_offset * csum_size);
1237 	ins_size *= csum_size;
1244 	ins_size /= csum_size;