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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/jfs/jfs_filsys.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.h | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/ANDROID_3.4.5/fs/jfs/jfs_filsys.h b/ANDROID_3.4.5/fs/jfs/jfs_filsys.h deleted file mode 100644 index b3f5463f..00000000 --- a/ANDROID_3.4.5/fs/jfs/jfs_filsys.h +++ /dev/null @@ -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 */ |