3112 	u64 alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()  local
3119 	em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, alloc_start,  in btrfs_zero_range()
3120 			      alloc_end - alloc_start);  in btrfs_zero_range()
3134 	if (em->start <= alloc_start &&  in btrfs_zero_range()
3153 		alloc_start = em_end;  in btrfs_zero_range()
3154 		ASSERT(IS_ALIGNED(alloc_start, sectorsize));  in btrfs_zero_range()
3155 		len = offset + len - alloc_start;  in btrfs_zero_range()
3156 		offset = alloc_start;  in btrfs_zero_range()
3163 		em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, alloc_start,  in btrfs_zero_range()
3186 		alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()
3187 		alloc_end = alloc_start + sectorsize;  in btrfs_zero_range()
3191 	alloc_start = round_up(offset, sectorsize);  in btrfs_zero_range()
3206 			alloc_start = round_down(offset, sectorsize);  in btrfs_zero_range()
3235 	if (alloc_start < alloc_end) {  in btrfs_zero_range()
3237 		const u64 lockstart = alloc_start;  in btrfs_zero_range()
3240 		bytes_to_reserve = alloc_end - alloc_start;  in btrfs_zero_range()
3251 						alloc_start, bytes_to_reserve);  in btrfs_zero_range()
3257 		ret = btrfs_prealloc_file_range(inode, mode, alloc_start,  in btrfs_zero_range()
3258 						alloc_end - alloc_start,  in btrfs_zero_range()
3273 					       alloc_start, bytes_to_reserve);  in btrfs_zero_range()
3290 	u64 alloc_start;  in btrfs_fallocate()  local
3299 	alloc_start = round_down(offset, blocksize);  in btrfs_fallocate()
3301 	cur_offset = alloc_start;  in btrfs_fallocate()
3318 						      alloc_end - alloc_start);  in btrfs_fallocate()
3342 	if (alloc_start > inode->i_size) {  in btrfs_fallocate()
3344 					alloc_start);  in btrfs_fallocate()
3362 	ret = btrfs_wait_ordered_range(inode, alloc_start,  in btrfs_fallocate()
3363 				       alloc_end - alloc_start);  in btrfs_fallocate()
3380 		lock_extent_bits(&BTRFS_I(inode)->io_tree, alloc_start,  in btrfs_fallocate()
3386 		    ordered->file_offset + ordered->num_bytes > alloc_start &&  in btrfs_fallocate()
3390 					     alloc_start, locked_end,  in btrfs_fallocate()
3396 			ret = btrfs_wait_ordered_range(inode, alloc_start,  in btrfs_fallocate()
3397 						       alloc_end - alloc_start);  in btrfs_fallocate()
3476 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,  in btrfs_fallocate()