Macros
#define	JFS_UNICODE 0x00000001 /* unicode name */

#define	JFS_ERR_REMOUNT_RO 0x00000002 /* remount read-only */

#define	JFS_ERR_CONTINUE 0x00000004 /* continue */

#define	JFS_ERR_PANIC 0x00000008 /* panic */

#define	JFS_USRQUOTA 0x00000010

#define	JFS_GRPQUOTA 0x00000020

#define	JFS_NOINTEGRITY 0x00000040

#define	JFS_DISCARD 0x00000080

#define	JFS_COMMIT 0x00000f00 /* commit option mask */

#define	JFS_GROUPCOMMIT 0x00000100 /* group (of 1) commit */

#define	JFS_LAZYCOMMIT 0x00000200 /* lazy commit */

#define	JFS_TMPFS

#define	JFS_INLINELOG 0x00000800 /* inline log within file system */

#define	JFS_INLINEMOVE 0x00001000 /* inline log being moved */

#define	JFS_BAD_SAIT 0x00010000 /* current secondary ait is bad */

#define	JFS_SPARSE 0x00020000 /* sparse regular file */

#define	JFS_DASD_ENABLED 0x00040000 /* DASD limits enabled */

#define	JFS_DASD_PRIME 0x00080000 /* Prime DASD usage on boot */

#define	JFS_SWAP_BYTES 0x00100000 /* running on big endian computer */

#define	JFS_DIR_INDEX 0x00200000 /* Persistent index for */

#define	JFS_LINUX 0x10000000 /* Linux support */

#define	JFS_DFS 0x20000000 /* DCE DFS LFS support */

#define	JFS_OS2 0x40000000 /* OS/2 support */

#define	JFS_AIX 0x80000000 /* AIX support */

#define	PSIZE 4096 /* page size (in byte) */

#define	L2PSIZE 12 /* log2(PSIZE) */

#define	POFFSET 4095 /* offset within page */

#define	BPSIZE PSIZE

#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

#define	MINJFS (0x1000000)

#define	MINJFSTEXT "16"

#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))

#define	SIZE2PN(size) ( ((s64)((size) - 1)) >> (L2PSIZE) )

#define	SIZE2BN(size, l2bsize) ( ((s64)((size) - 1)) >> (l2bsize) )

#define	SUPER1_B 64 /* primary superblock */

#define	AIMAP_B (SUPER1_B + 8) /* 1st extent of aggregate inode map */

#define	AITBL_B

#define	SUPER2_B (AITBL_B + 32) /* 2ndary superblock pbn */

#define	BMAP_B (SUPER2_B + 8) /* block allocation map */

#define	SIZE_OF_SUPER PSIZE

#define	SIZE_OF_AG_TABLE PSIZE

#define	SIZE_OF_MAP_PAGE PSIZE

#define	SUPER1_OFF 0x8000 /* primary superblock */

#define	AIMAP_OFF (SUPER1_OFF + SIZE_OF_SUPER)

#define	AITBL_OFF (AIMAP_OFF + (SIZE_OF_MAP_PAGE << 1))

#define	SUPER2_OFF (AITBL_OFF + INODE_EXTENT_SIZE)

#define	BMAP_OFF (SUPER2_OFF + SIZE_OF_SUPER)

#define	AGGR_RSVD_BLOCKS SUPER1_B

#define	AGGR_RSVD_BYTES SUPER1_OFF

#define	AGGR_INODE_TABLE_START AITBL_OFF

#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

#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

#define	FIRST_FILESET_INO

#define	JFS_NAME_MAX 255

#define	JFS_PATH_MAX BPSIZE

#define	FM_CLEAN 0x00000000 /* file system is unmounted and clean */

#define	FM_MOUNT 0x00000001 /* file system is mounted cleanly */

#define	FM_DIRTY

#define	FM_LOGREDO

#define	FM_EXTENDFS 0x00000008 /* file system extendfs() in progress */

Macro Definition Documentation

#define ACL_I 3 /* fileset ACL inode */

Definition at line 246 of file jfs_filsys.h.

#define AGGR_INODE_TABLE_START AITBL_OFF

Definition at line 229 of file jfs_filsys.h.

#define AGGR_RESERVED_I 0 /* aggregate inode (reserved) */

Definition at line 235 of file jfs_filsys.h.

#define AGGR_RSVD_BLOCKS SUPER1_B

Definition at line 214 of file jfs_filsys.h.

#define AGGR_RSVD_BYTES SUPER1_OFF

Definition at line 222 of file jfs_filsys.h.

#define AGGREGATE_I 1 /* aggregate inode map inode */

Definition at line 236 of file jfs_filsys.h.

#define AIMAP_B (SUPER1_B + 8) /* 1st extent of aggregate inode map */

Definition at line 163 of file jfs_filsys.h.

#define AIMAP_OFF (SUPER1_OFF + SIZE_OF_SUPER)

Definition at line 190 of file jfs_filsys.h.

#define AITBL_B

Value:

(AIMAP_B + 16)  /*
                     * 1st extent of aggregate inode table
                     */

Definition at line 164 of file jfs_filsys.h.

#define AITBL_OFF (AIMAP_OFF + (SIZE_OF_MAP_PAGE << 1))

Definition at line 195 of file jfs_filsys.h.

#define BADBLOCK_I 4 /* aggregate bad block inode */

Definition at line 239 of file jfs_filsys.h.

#define BMAP_B (SUPER2_B + 8) /* block allocation map */

Definition at line 166 of file jfs_filsys.h.

#define BMAP_I 2 /* aggregate block allocation map inode */

Definition at line 237 of file jfs_filsys.h.

#define BMAP_OFF (SUPER2_OFF + SIZE_OF_SUPER)

Definition at line 203 of file jfs_filsys.h.

#define BPSIZE PSIZE

Definition at line 99 of file jfs_filsys.h.

#define DISIZE 512 /* on-disk inode size (in byte) */

Definition at line 109 of file jfs_filsys.h.

#define FILESET_EXT_I 1 /* fileset inode extension */

Definition at line 244 of file jfs_filsys.h.

#define FILESET_OBJECT_I

Value:

4   /* the first fileset inode available for a file
                 * or directory or link...
                 */

Definition at line 248 of file jfs_filsys.h.

#define FILESET_RSVD_I 0 /* fileset inode (reserved) */

Definition at line 243 of file jfs_filsys.h.

#define FILESYSTEM_I

Value:

16  /* 1st/only fileset inode in ait:
                 * fileset inode map inode
                 */

Definition at line 240 of file jfs_filsys.h.

#define FIRST_FILESET_INO

Value:

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.)
                 */

Definition at line 249 of file jfs_filsys.h.

#define FM_CLEAN 0x00000000 /* file system is unmounted and clean */

Definition at line 261 of file jfs_filsys.h.

#define FM_DIRTY

Value:

0x00000002  /* file system was not unmounted and clean
                 * when mounted or
                 * commit failure occurred while being mounted:
                 * fsck() must be run to repair
                 */

Definition at line 263 of file jfs_filsys.h.

#define FM_EXTENDFS 0x00000008 /* file system extendfs() in progress */

Definition at line 265 of file jfs_filsys.h.

#define FM_LOGREDO

Value:

0x00000004  /* log based recovery (logredo()) failed:
                 * fsck() must be run to repair
                 */

Definition at line 264 of file jfs_filsys.h.

#define FM_MOUNT 0x00000001 /* file system is mounted cleanly */

Definition at line 262 of file jfs_filsys.h.

#define IAG_EXTENT_SIZE 4096

Definition at line 119 of file jfs_filsys.h.

#define IAG_SIZE 4096

Definition at line 118 of file jfs_filsys.h.

#define IAGFREELIST_LWM 64

Definition at line 128 of file jfs_filsys.h.

#define IDATASIZE 256 /* inode inline data size */

Definition at line 112 of file jfs_filsys.h.

#define INODE_EXTENT_SIZE IXSIZE /* inode extent size */

Definition at line 130 of file jfs_filsys.h.

#define INOSPEREXT 32 /* number of disk inode per extent */

Definition at line 122 of file jfs_filsys.h.

#define INOSPERIAG 4096 /* number of disk inodes per iag */

Definition at line 120 of file jfs_filsys.h.

#define INOSPERPAGE 8 /* number of disk inodes per 4K page */

Definition at line 125 of file jfs_filsys.h.

#define IXATTRSIZE 128 /* inode inline extended attribute size */

Definition at line 113 of file jfs_filsys.h.

#define IXSIZE (DISIZE * INOSPEREXT) /* inode extent size */

Definition at line 124 of file jfs_filsys.h.

#define JFS_AIX 0x80000000 /* AIX support */

Definition at line 85 of file jfs_filsys.h.

#define JFS_BAD_SAIT 0x00010000 /* current secondary ait is bad */

Definition at line 62 of file jfs_filsys.h.

#define JFS_COMMIT 0x00000f00 /* commit option mask */

Definition at line 52 of file jfs_filsys.h.

#define JFS_DASD_ENABLED 0x00040000 /* DASD limits enabled */

Definition at line 68 of file jfs_filsys.h.

#define JFS_DASD_PRIME 0x00080000 /* Prime DASD usage on boot */

Definition at line 69 of file jfs_filsys.h.

#define JFS_DFS 0x20000000 /* DCE DFS LFS support */

Definition at line 79 of file jfs_filsys.h.

#define JFS_DIR_INDEX 0x00200000 /* Persistent index for */

Definition at line 75 of file jfs_filsys.h.

#define JFS_DISCARD 0x00000080

Definition at line 49 of file jfs_filsys.h.

#define JFS_ERR_CONTINUE 0x00000004 /* continue */

Definition at line 38 of file jfs_filsys.h.

#define JFS_ERR_PANIC 0x00000008 /* panic */

Definition at line 39 of file jfs_filsys.h.

#define JFS_ERR_REMOUNT_RO 0x00000002 /* remount read-only */

Definition at line 37 of file jfs_filsys.h.

#define JFS_GROUPCOMMIT 0x00000100 /* group (of 1) commit */

Definition at line 53 of file jfs_filsys.h.

#define JFS_GRPQUOTA 0x00000020

Definition at line 43 of file jfs_filsys.h.

#define JFS_INLINELOG 0x00000800 /* inline log within file system */

Definition at line 58 of file jfs_filsys.h.

#define JFS_INLINEMOVE 0x00001000 /* inline log being moved */

Definition at line 59 of file jfs_filsys.h.

#define JFS_LAZYCOMMIT 0x00000200 /* lazy commit */

Definition at line 54 of file jfs_filsys.h.

#define JFS_LINK_MAX 0xffffffff

Definition at line 138 of file jfs_filsys.h.

#define JFS_LINUX 0x10000000 /* Linux support */

Definition at line 78 of file jfs_filsys.h.

#define JFS_NAME_MAX 255

Definition at line 254 of file jfs_filsys.h.

#define JFS_NOINTEGRITY 0x00000040

Definition at line 46 of file jfs_filsys.h.

#define JFS_OS2 0x40000000 /* OS/2 support */

Definition at line 82 of file jfs_filsys.h.

#define JFS_PATH_MAX BPSIZE

Definition at line 255 of file jfs_filsys.h.

#define JFS_SPARSE 0x00020000 /* sparse regular file */

Definition at line 65 of file jfs_filsys.h.

#define JFS_SWAP_BYTES 0x00100000 /* running on big endian computer */

Definition at line 72 of file jfs_filsys.h.

#define JFS_TMPFS

Value:

0x00000400  /* temporary file system -
                     * do not log/commit:
                     * Never implemented
                     */

Definition at line 55 of file jfs_filsys.h.

#define JFS_UNICODE 0x00000001 /* unicode name */

Definition at line 34 of file jfs_filsys.h.

#define JFS_USRQUOTA 0x00000010

Definition at line 42 of file jfs_filsys.h.

#define L2DISIZE 9 /* log2(DISIZE) */

Definition at line 110 of file jfs_filsys.h.

#define L2INOSPEREXT 5 /* l2 number of disk inode per extent */

Definition at line 123 of file jfs_filsys.h.

#define L2INOSPERIAG 12 /* l2 number of disk inodes per iag */

Definition at line 121 of file jfs_filsys.h.

#define L2INOSPERPAGE 3 /* log2(INOSPERPAGE) */

Definition at line 126 of file jfs_filsys.h.

#define L2PBSIZE 9 /* log2(PBSIZE) */

Definition at line 107 of file jfs_filsys.h.

#define L2PSIZE 12 /* log2(PSIZE) */

Definition at line 95 of file jfs_filsys.h.

#define LBLK2PBLK	(	sb,
		b
	)	((b) << (sb->s_blocksize_bits - L2PBSIZE))

Definition at line 149 of file jfs_filsys.h.

#define LBNUMBER ( x ) ((x) >> L2PBSIZE)

Definition at line 148 of file jfs_filsys.h.

#define LBOFFSET ( x ) ((x) & (PBSIZE - 1))

Definition at line 147 of file jfs_filsys.h.

#define log2_PAGESIZE 12

Definition at line 116 of file jfs_filsys.h.

#define LOG_I 3 /* aggregate inline log inode */

Definition at line 238 of file jfs_filsys.h.

#define MAXBLOCKSIZE 4096

Definition at line 135 of file jfs_filsys.h.

#define MAXFILESIZE ((s64)1 << 52)

Definition at line 136 of file jfs_filsys.h.

#define MINBLOCKSIZE 512

Definition at line 134 of file jfs_filsys.h.

#define MINJFS (0x1000000)

Definition at line 141 of file jfs_filsys.h.

#define MINJFSTEXT "16"

Definition at line 142 of file jfs_filsys.h.

#define NUM_INODE_PER_EXTENT INOSPEREXT

Definition at line 131 of file jfs_filsys.h.

#define NUM_INODE_PER_IAG INOSPERIAG

Definition at line 132 of file jfs_filsys.h.

#define PBLK2LBLK	(	sb,
		b
	)	((b) >> (sb->s_blocksize_bits - L2PBSIZE))

Definition at line 150 of file jfs_filsys.h.

#define PBSIZE 512 /* physical block size (in byte) */

Definition at line 106 of file jfs_filsys.h.

#define POFFSET 4095 /* offset within page */

Definition at line 96 of file jfs_filsys.h.

#define PSIZE 4096 /* page size (in byte) */

Definition at line 94 of file jfs_filsys.h.

#define ROOT_I 2 /* fileset root inode */

Definition at line 245 of file jfs_filsys.h.

#define SIZE2BN	(	size,
		l2bsize
	)	( ((s64)((size) - 1)) >> (l2bsize) )

Definition at line 154 of file jfs_filsys.h.

#define SIZE2PN ( size ) ( ((s64)((size) - 1)) >> (L2PSIZE) )

Definition at line 152 of file jfs_filsys.h.

#define SIZE_OF_AG_TABLE PSIZE

Definition at line 178 of file jfs_filsys.h.

#define SIZE_OF_MAP_PAGE PSIZE

Definition at line 184 of file jfs_filsys.h.

#define SIZE_OF_SUPER PSIZE

Definition at line 173 of file jfs_filsys.h.

#define SUPER1_B 64 /* primary superblock */

Definition at line 162 of file jfs_filsys.h.

#define SUPER1_OFF 0x8000 /* primary superblock */

Definition at line 189 of file jfs_filsys.h.

#define SUPER2_B (AITBL_B + 32) /* 2ndary superblock pbn */

Definition at line 165 of file jfs_filsys.h.

#define SUPER2_OFF (AITBL_OFF + INODE_EXTENT_SIZE)

Definition at line 199 of file jfs_filsys.h.

#define XTPAGE_SIZE 4096

Definition at line 115 of file jfs_filsys.h.

Macros

Macro Definition Documentation