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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/jfs/jfs_filsys.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/jfs/jfs_filsys.h')
-rw-r--r--ANDROID_3.4.5/fs/jfs/jfs_filsys.h282
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diff --git a/ANDROID_3.4.5/fs/jfs/jfs_filsys.h b/ANDROID_3.4.5/fs/jfs/jfs_filsys.h
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--- a/ANDROID_3.4.5/fs/jfs/jfs_filsys.h
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@@ -1,282 +0,0 @@
-/*
- * Copyright (C) International Business Machines Corp., 2000-2003
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef _H_JFS_FILSYS
-#define _H_JFS_FILSYS
-
-/*
- * jfs_filsys.h
- *
- * file system (implementation-dependent) constants
- *
- * refer to <limits.h> for system wide implementation-dependent constants
- */
-
-/*
- * file system option (superblock flag)
- */
-
-/* directory option */
-#define JFS_UNICODE 0x00000001 /* unicode name */
-
-/* mount time flags for error handling */
-#define JFS_ERR_REMOUNT_RO 0x00000002 /* remount read-only */
-#define JFS_ERR_CONTINUE 0x00000004 /* continue */
-#define JFS_ERR_PANIC 0x00000008 /* panic */
-
-/* Quota support */
-#define JFS_USRQUOTA 0x00000010
-#define JFS_GRPQUOTA 0x00000020
-
-/* mount time flag to disable journaling to disk */
-#define JFS_NOINTEGRITY 0x00000040
-
-/* commit option */
-#define JFS_COMMIT 0x00000f00 /* commit option mask */
-#define JFS_GROUPCOMMIT 0x00000100 /* group (of 1) commit */
-#define JFS_LAZYCOMMIT 0x00000200 /* lazy commit */
-#define JFS_TMPFS 0x00000400 /* temporary file system -
- * do not log/commit:
- * Never implemented
- */
-
-/* log logical volume option */
-#define JFS_INLINELOG 0x00000800 /* inline log within file system */
-#define JFS_INLINEMOVE 0x00001000 /* inline log being moved */
-
-/* Secondary aggregate inode table */
-#define JFS_BAD_SAIT 0x00010000 /* current secondary ait is bad */
-
-/* sparse regular file support */
-#define JFS_SPARSE 0x00020000 /* sparse regular file */
-
-/* DASD Limits F226941 */
-#define JFS_DASD_ENABLED 0x00040000 /* DASD limits enabled */
-#define JFS_DASD_PRIME 0x00080000 /* Prime DASD usage on boot */
-
-/* big endian flag */
-#define JFS_SWAP_BYTES 0x00100000 /* running on big endian computer */
-
-/* Directory index */
-#define JFS_DIR_INDEX 0x00200000 /* Persistent index for */
-
-/* platform options */
-#define JFS_LINUX 0x10000000 /* Linux support */
-#define JFS_DFS 0x20000000 /* DCE DFS LFS support */
-/* Never implemented */
-
-#define JFS_OS2 0x40000000 /* OS/2 support */
-/* case-insensitive name/directory support */
-
-#define JFS_AIX 0x80000000 /* AIX support */
-
-/*
- * buffer cache configuration
- */
-/* page size */
-#ifdef PSIZE
-#undef PSIZE
-#endif
-#define PSIZE 4096 /* page size (in byte) */
-#define L2PSIZE 12 /* log2(PSIZE) */
-#define POFFSET 4095 /* offset within page */
-
-/* buffer page size */
-#define BPSIZE PSIZE
-
-/*
- * fs fundamental size
- *
- * PSIZE >= file system block size >= PBSIZE >= DISIZE
- */
-#define PBSIZE 512 /* physical block size (in byte) */
-#define L2PBSIZE 9 /* log2(PBSIZE) */
-
-#define DISIZE 512 /* on-disk inode size (in byte) */
-#define L2DISIZE 9 /* log2(DISIZE) */
-
-#define IDATASIZE 256 /* inode inline data size */
-#define IXATTRSIZE 128 /* inode inline extended attribute size */
-
-#define XTPAGE_SIZE 4096
-#define log2_PAGESIZE 12
-
-#define IAG_SIZE 4096
-#define IAG_EXTENT_SIZE 4096
-#define INOSPERIAG 4096 /* number of disk inodes per iag */
-#define L2INOSPERIAG 12 /* l2 number of disk inodes per iag */
-#define INOSPEREXT 32 /* number of disk inode per extent */
-#define L2INOSPEREXT 5 /* l2 number of disk inode per extent */
-#define IXSIZE (DISIZE * INOSPEREXT) /* inode extent size */
-#define INOSPERPAGE 8 /* number of disk inodes per 4K page */
-#define L2INOSPERPAGE 3 /* log2(INOSPERPAGE) */
-
-#define IAGFREELIST_LWM 64
-
-#define INODE_EXTENT_SIZE IXSIZE /* inode extent size */
-#define NUM_INODE_PER_EXTENT INOSPEREXT
-#define NUM_INODE_PER_IAG INOSPERIAG
-
-#define MINBLOCKSIZE 512
-#define MAXBLOCKSIZE 4096
-#define MAXFILESIZE ((s64)1 << 52)
-
-#define JFS_LINK_MAX 0xffffffff
-
-/* Minimum number of bytes supported for a JFS partition */
-#define MINJFS (0x1000000)
-#define MINJFSTEXT "16"
-
-/*
- * file system block size -> physical block size
- */
-#define LBOFFSET(x) ((x) & (PBSIZE - 1))
-#define LBNUMBER(x) ((x) >> L2PBSIZE)
-#define LBLK2PBLK(sb,b) ((b) << (sb->s_blocksize_bits - L2PBSIZE))
-#define PBLK2LBLK(sb,b) ((b) >> (sb->s_blocksize_bits - L2PBSIZE))
-/* size in byte -> last page number */
-#define SIZE2PN(size) ( ((s64)((size) - 1)) >> (L2PSIZE) )
-/* size in byte -> last file system block number */
-#define SIZE2BN(size, l2bsize) ( ((s64)((size) - 1)) >> (l2bsize) )
-
-/*
- * fixed physical block address (physical block size = 512 byte)
- *
- * NOTE: since we can't guarantee a physical block size of 512 bytes the use of
- * these macros should be removed and the byte offset macros used instead.
- */
-#define SUPER1_B 64 /* primary superblock */
-#define AIMAP_B (SUPER1_B + 8) /* 1st extent of aggregate inode map */
-#define AITBL_B (AIMAP_B + 16) /*
- * 1st extent of aggregate inode table
- */
-#define SUPER2_B (AITBL_B + 32) /* 2ndary superblock pbn */
-#define BMAP_B (SUPER2_B + 8) /* block allocation map */
-
-/*
- * SIZE_OF_SUPER defines the total amount of space reserved on disk for the
- * superblock. This is not the same as the superblock structure, since all of
- * this space is not currently being used.
- */
-#define SIZE_OF_SUPER PSIZE
-
-/*
- * SIZE_OF_AG_TABLE defines the amount of space reserved to hold the AG table
- */
-#define SIZE_OF_AG_TABLE PSIZE
-
-/*
- * SIZE_OF_MAP_PAGE defines the amount of disk space reserved for each page of
- * the inode allocation map (to hold iag)
- */
-#define SIZE_OF_MAP_PAGE PSIZE
-
-/*
- * fixed byte offset address
- */
-#define SUPER1_OFF 0x8000 /* primary superblock */
-#define AIMAP_OFF (SUPER1_OFF + SIZE_OF_SUPER)
- /*
- * Control page of aggregate inode map
- * followed by 1st extent of map
- */
-#define AITBL_OFF (AIMAP_OFF + (SIZE_OF_MAP_PAGE << 1))
- /*
- * 1st extent of aggregate inode table
- */
-#define SUPER2_OFF (AITBL_OFF + INODE_EXTENT_SIZE)
- /*
- * secondary superblock
- */
-#define BMAP_OFF (SUPER2_OFF + SIZE_OF_SUPER)
- /*
- * block allocation map
- */
-
-/*
- * The following macro is used to indicate the number of reserved disk blocks at
- * the front of an aggregate, in terms of physical blocks. This value is
- * currently defined to be 32K. This turns out to be the same as the primary
- * superblock's address, since it directly follows the reserved blocks.
- */
-#define AGGR_RSVD_BLOCKS SUPER1_B
-
-/*
- * The following macro is used to indicate the number of reserved bytes at the
- * front of an aggregate. This value is currently defined to be 32K. This
- * turns out to be the same as the primary superblock's byte offset, since it
- * directly follows the reserved blocks.
- */
-#define AGGR_RSVD_BYTES SUPER1_OFF
-
-/*
- * The following macro defines the byte offset for the first inode extent in
- * the aggregate inode table. This allows us to find the self inode to find the
- * rest of the table. Currently this value is 44K.
- */
-#define AGGR_INODE_TABLE_START AITBL_OFF
-
-/*
- * fixed reserved inode number
- */
-/* aggregate inode */
-#define AGGR_RESERVED_I 0 /* aggregate inode (reserved) */
-#define AGGREGATE_I 1 /* aggregate inode map inode */
-#define BMAP_I 2 /* aggregate block allocation map inode */
-#define LOG_I 3 /* aggregate inline log inode */
-#define BADBLOCK_I 4 /* aggregate bad block inode */
-#define FILESYSTEM_I 16 /* 1st/only fileset inode in ait:
- * fileset inode map inode
- */
-
-/* per fileset inode */
-#define FILESET_RSVD_I 0 /* fileset inode (reserved) */
-#define FILESET_EXT_I 1 /* fileset inode extension */
-#define ROOT_I 2 /* fileset root inode */
-#define ACL_I 3 /* fileset ACL inode */
-
-#define FILESET_OBJECT_I 4 /* the first fileset inode available for a file
- * or directory or link...
- */
-#define FIRST_FILESET_INO 16 /* the first aggregate inode which describes
- * an inode. (To fsck this is also the first
- * inode in part 2 of the agg inode table.)
- */
-
-/*
- * directory configuration
- */
-#define JFS_NAME_MAX 255
-#define JFS_PATH_MAX BPSIZE
-
-
-/*
- * file system state (superblock state)
- */
-#define FM_CLEAN 0x00000000 /* file system is unmounted and clean */
-#define FM_MOUNT 0x00000001 /* file system is mounted cleanly */
-#define FM_DIRTY 0x00000002 /* file system was not unmounted and clean
- * when mounted or
- * commit failure occurred while being mounted:
- * fsck() must be run to repair
- */
-#define FM_LOGREDO 0x00000004 /* log based recovery (logredo()) failed:
- * fsck() must be run to repair
- */
-#define FM_EXTENDFS 0x00000008 /* file system extendfs() in progress */
-
-#endif /* _H_JFS_FILSYS */