24 void ceph_calc_file_object_mapping(struct ceph_file_layout *l,  in ceph_calc_file_object_mapping()  argument
28 	u32 stripes_per_object = l->object_size / l->stripe_unit;  in ceph_calc_file_object_mapping()
37 	blockno = div_u64_rem(off, l->stripe_unit, &blockoff);  in ceph_calc_file_object_mapping()
38 	stripeno = div_u64_rem(blockno, l->stripe_count, &stripepos);  in ceph_calc_file_object_mapping()
41 	*objno = objsetno * l->stripe_count + stripepos;  in ceph_calc_file_object_mapping()
42 	*objoff = objsetpos * l->stripe_unit + blockoff;  in ceph_calc_file_object_mapping()
43 	*xlen = min_t(u64, len, l->stripe_unit - blockoff);  in ceph_calc_file_object_mapping()
110 int ceph_file_to_extents(struct ceph_file_layout *l, u64 off, u64 len,  in ceph_file_to_extents()  argument
124 		ceph_calc_file_object_mapping(l, off, len, &objno, &objoff,  in ceph_file_to_extents()
174 int ceph_iterate_extents(struct ceph_file_layout *l, u64 off, u64 len,  in ceph_iterate_extents()  argument
184 		ceph_calc_file_object_mapping(l, off, len, &objno, &objoff,  in ceph_iterate_extents()
211 int ceph_extent_to_file(struct ceph_file_layout *l,  in ceph_extent_to_file()  argument
216 	u32 stripes_per_object = l->object_size / l->stripe_unit;  in ceph_extent_to_file()
231 	*num_file_extents = DIV_ROUND_UP_ULL(objoff + objlen, l->stripe_unit) -  in ceph_extent_to_file()
232 				     DIV_ROUND_DOWN_ULL(objoff, l->stripe_unit);  in ceph_extent_to_file()
238 	div_u64_rem(objoff, l->stripe_unit, &blockoff);  in ceph_extent_to_file()
242 		objsetno = div_u64_rem(objno, l->stripe_count, &stripepos);  in ceph_extent_to_file()
243 		stripeno = div_u64(objoff, l->stripe_unit) +  in ceph_extent_to_file()
245 		blockno = stripeno * l->stripe_count + stripepos;  in ceph_extent_to_file()
246 		off = blockno * l->stripe_unit + blockoff;  in ceph_extent_to_file()
247 		len = min_t(u64, objlen, l->stripe_unit - blockoff);  in ceph_extent_to_file()
263 u64 ceph_get_num_objects(struct ceph_file_layout *l, u64 size)  in ceph_get_num_objects()  argument
265 	u64 period = (u64)l->stripe_count * l->object_size;  in ceph_get_num_objects()
272 	    remainder_bytes < (u64)l->stripe_count * l->stripe_unit)  in ceph_get_num_objects()
273 		remainder_objs = l->stripe_count -  in ceph_get_num_objects()
274 			    DIV_ROUND_UP_ULL(remainder_bytes, l->stripe_unit);  in ceph_get_num_objects()
276 	return num_periods * l->stripe_count - remainder_objs;  in ceph_get_num_objects()