18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ci+---------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 48c2ecf20Sopenharmony_ci| i.i\_block Offset | Where It Points | 58c2ecf20Sopenharmony_ci+=====================+==============================================================================================================================================================================================================================+ 68c2ecf20Sopenharmony_ci| 0 to 11 | Direct map to file blocks 0 to 11. | 78c2ecf20Sopenharmony_ci+---------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 88c2ecf20Sopenharmony_ci| 12 | Indirect block: (file blocks 12 to (``$block_size`` / 4) + 11, or 12 to 1035 if 4KiB blocks) | 98c2ecf20Sopenharmony_ci| | | 108c2ecf20Sopenharmony_ci| | +------------------------------+--------------------------------------------------------------------+ | 118c2ecf20Sopenharmony_ci| | | Indirect Block Offset | Where It Points | | 128c2ecf20Sopenharmony_ci| | +==============================+====================================================================+ | 138c2ecf20Sopenharmony_ci| | | 0 to (``$block_size`` / 4) | Direct map to (``$block_size`` / 4) blocks (1024 if 4KiB blocks) | | 148c2ecf20Sopenharmony_ci| | +------------------------------+--------------------------------------------------------------------+ | 158c2ecf20Sopenharmony_ci+---------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 168c2ecf20Sopenharmony_ci| 13 | Double-indirect block: (file blocks ``$block_size``/4 + 12 to (``$block_size`` / 4) ^ 2 + (``$block_size`` / 4) + 11, or 1036 to 1049611 if 4KiB blocks) | 178c2ecf20Sopenharmony_ci| | | 188c2ecf20Sopenharmony_ci| | +--------------------------------+---------------------------------------------------------------------------------------------------------+ | 198c2ecf20Sopenharmony_ci| | | Double Indirect Block Offset | Where It Points | | 208c2ecf20Sopenharmony_ci| | +================================+=========================================================================================================+ | 218c2ecf20Sopenharmony_ci| | | 0 to (``$block_size`` / 4) | Map to (``$block_size`` / 4) indirect blocks (1024 if 4KiB blocks) | | 228c2ecf20Sopenharmony_ci| | | | | | 238c2ecf20Sopenharmony_ci| | | | +------------------------------+--------------------------------------------------------------------+ | | 248c2ecf20Sopenharmony_ci| | | | | Indirect Block Offset | Where It Points | | | 258c2ecf20Sopenharmony_ci| | | | +==============================+====================================================================+ | | 268c2ecf20Sopenharmony_ci| | | | | 0 to (``$block_size`` / 4) | Direct map to (``$block_size`` / 4) blocks (1024 if 4KiB blocks) | | | 278c2ecf20Sopenharmony_ci| | | | +------------------------------+--------------------------------------------------------------------+ | | 288c2ecf20Sopenharmony_ci| | +--------------------------------+---------------------------------------------------------------------------------------------------------+ | 298c2ecf20Sopenharmony_ci+---------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 308c2ecf20Sopenharmony_ci| 14 | Triple-indirect block: (file blocks (``$block_size`` / 4) ^ 2 + (``$block_size`` / 4) + 12 to (``$block_size`` / 4) ^ 3 + (``$block_size`` / 4) ^ 2 + (``$block_size`` / 4) + 12, or 1049612 to 1074791436 if 4KiB blocks) | 318c2ecf20Sopenharmony_ci| | | 328c2ecf20Sopenharmony_ci| | +--------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ | 338c2ecf20Sopenharmony_ci| | | Triple Indirect Block Offset | Where It Points | | 348c2ecf20Sopenharmony_ci| | +================================+================================================================================================================================================+ | 358c2ecf20Sopenharmony_ci| | | 0 to (``$block_size`` / 4) | Map to (``$block_size`` / 4) double indirect blocks (1024 if 4KiB blocks) | | 368c2ecf20Sopenharmony_ci| | | | | | 378c2ecf20Sopenharmony_ci| | | | +--------------------------------+---------------------------------------------------------------------------------------------------------+ | | 388c2ecf20Sopenharmony_ci| | | | | Double Indirect Block Offset | Where It Points | | | 398c2ecf20Sopenharmony_ci| | | | +================================+=========================================================================================================+ | | 408c2ecf20Sopenharmony_ci| | | | | 0 to (``$block_size`` / 4) | Map to (``$block_size`` / 4) indirect blocks (1024 if 4KiB blocks) | | | 418c2ecf20Sopenharmony_ci| | | | | | | | | 428c2ecf20Sopenharmony_ci| | | | | | +------------------------------+--------------------------------------------------------------------+ | | | 438c2ecf20Sopenharmony_ci| | | | | | | Indirect Block Offset | Where It Points | | | | 448c2ecf20Sopenharmony_ci| | | | | | +==============================+====================================================================+ | | | 458c2ecf20Sopenharmony_ci| | | | | | | 0 to (``$block_size`` / 4) | Direct map to (``$block_size`` / 4) blocks (1024 if 4KiB blocks) | | | | 468c2ecf20Sopenharmony_ci| | | | | | +------------------------------+--------------------------------------------------------------------+ | | | 478c2ecf20Sopenharmony_ci| | | | +--------------------------------+---------------------------------------------------------------------------------------------------------+ | | 488c2ecf20Sopenharmony_ci| | +--------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+ | 498c2ecf20Sopenharmony_ci+---------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 50