93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/* ----> DO NOT REMOVE THE FOLLOWING NOTICE <----
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Copyright (c) 2014-2015 Datalight, Inc.
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All Rights Reserved Worldwide.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; use version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but "AS-IS," WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* Businesses and individuals that for commercial or other reasons cannot
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comply with the terms of the GPLv2 license may obtain a commercial license
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before incorporating Reliance Edge into proprietary software for
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distribution in any form. Visit http://www.datalight.com/reliance-edge for
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more information.
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*/
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/** @file
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*/
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#ifndef REDCOREMACS_H
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#define REDCOREMACS_H
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#define BLOCK_NUM_MASTER (0UL) /* Block number of the master block. */
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#define BLOCK_NUM_FIRST_METAROOT (1UL) /* Block number of the first metaroot. */
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#define BLOCK_SPARSE (0U)
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#define DINDIR_POINTERS ((INODE_ENTRIES - REDCONF_DIRECT_POINTERS) - REDCONF_INDIRECT_POINTERS)
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#define DINDIR_DATA_BLOCKS (INDIR_ENTRIES * INDIR_ENTRIES)
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#define INODE_INDIR_BLOCKS (REDCONF_INDIRECT_POINTERS * INDIR_ENTRIES)
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#define INODE_DINDIR_BLOCKS (DINDIR_POINTERS * DINDIR_DATA_BLOCKS)
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#define INODE_DATA_BLOCKS (REDCONF_DIRECT_POINTERS + INODE_INDIR_BLOCKS + INODE_DINDIR_BLOCKS)
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#define INODE_SIZE_MAX (UINT64_SUFFIX(1) * REDCONF_BLOCK_SIZE * INODE_DATA_BLOCKS)
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/* First inode number that can be allocated.
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*/
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#if REDCONF_API_POSIX == 1
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#define INODE_FIRST_FREE (INODE_FIRST_VALID + 1U)
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#else
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#define INODE_FIRST_FREE (INODE_FIRST_VALID)
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#endif
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/** @brief Determine if an inode number is valid.
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*/
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#define INODE_IS_VALID(INODENUM) (((INODENUM) >= INODE_FIRST_VALID) && ((INODENUM) < (INODE_FIRST_VALID + gpRedVolConf->ulInodeCount)))
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/* The number of blocks reserved to allow a truncate or delete operation to
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complete when the disk is otherwise full.
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The more expensive of the two operations is delete, which has to actually
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write to a file data block to remove the directory entry.
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*/
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#if REDCONF_READ_ONLY == 1
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#define RESERVED_BLOCKS 0U
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#elif (REDCONF_API_POSIX == 1) && ((REDCONF_API_POSIX_UNLINK == 1) || (REDCONF_API_POSIX_RMDIR == 1))
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#if DINDIR_POINTERS > 0U
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#define RESERVED_BLOCKS 3U
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#elif REDCONF_INDIRECT_POINTERS > 0U
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#define RESERVED_BLOCKS 2U
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#else
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#define RESERVED_BLOCKS 1U
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#endif
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#elif ((REDCONF_API_POSIX == 1) && (REDCONF_API_POSIX_FTRUNCATE == 1)) || ((REDCONF_API_FSE == 1) && (REDCONF_API_FSE_TRUNCATE == 1))
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#if DINDIR_POINTERS > 0U
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#define RESERVED_BLOCKS 2U
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#elif REDCONF_INDIRECT_POINTERS > 0U
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#define RESERVED_BLOCKS 1U
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#else
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#define RESERVED_BLOCKS 0U
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#endif
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#else
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#define RESERVED_BLOCKS 0U
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#endif
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#define CRITICAL_ASSERT(EXP) ((EXP) ? (void)0 : CRITICAL_ERROR())
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#define CRITICAL_ERROR() RedVolCriticalError(__FILE__, __LINE__)
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#endif
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