introduce lpad/rpad functions (fb28d7a9) · Commits · hpc / gekkofs

ifs/include/global/blocks_calc_util.hpp

+22 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,28 @@ inline off64_t ralign(const off64_t offset, const size_t block_size) {
		}


		/**
		* Return the padding (bytes) that separates the @offset from the closest
		* left side block boundary
		*
		* If @offset is a boundary the resulting padding will be 0
		*/
		inline size_t lpad(const off64_t offset, const size_t block_size) {
		return offset % block_size;
		}


		/**
		* Return the padding (bytes) that separates the @offset from the closest
		* right side block boundary
		*
		* If @offset is a boundary the resulting padding will be 0
		*/
		inline size_t rpad(const off64_t offset, const size_t block_size) {
		return (-offset) % block_size;
		}


		/**
		* Given an @offset calculates the block number to which the @offset belongs
		*