diff options
Diffstat (limited to 'fs/jfs/jfs_xtree.h')
| -rw-r--r-- | fs/jfs/jfs_xtree.h | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/fs/jfs/jfs_xtree.h b/fs/jfs/jfs_xtree.h index 164f6f2b101..70815c8a3d6 100644 --- a/fs/jfs/jfs_xtree.h +++ b/fs/jfs/jfs_xtree.h @@ -19,14 +19,14 @@ #define _H_JFS_XTREE /* - * jfs_xtree.h: extent allocation descriptor B+-tree manager + * jfs_xtree.h: extent allocation descriptor B+-tree manager */ #include "jfs_btree.h" /* - * extent allocation descriptor (xad) + * extent allocation descriptor (xad) */ typedef struct xad { unsigned flag:8; /* 1: flag */ @@ -38,30 +38,30 @@ typedef struct xad { __le32 addr2; /* 4: address in unit of fsblksize */ } xad_t; /* (16) */ -#define MAXXLEN ((1 << 24) - 1) +#define MAXXLEN ((1 << 24) - 1) -#define XTSLOTSIZE 16 -#define L2XTSLOTSIZE 4 +#define XTSLOTSIZE 16 +#define L2XTSLOTSIZE 4 /* xad_t field construction */ #define XADoffset(xad, offset64)\ {\ - (xad)->off1 = ((u64)offset64) >> 32;\ - (xad)->off2 = __cpu_to_le32((offset64) & 0xffffffff);\ + (xad)->off1 = ((u64)offset64) >> 32;\ + (xad)->off2 = __cpu_to_le32((offset64) & 0xffffffff);\ } #define XADaddress(xad, address64)\ {\ - (xad)->addr1 = ((u64)address64) >> 32;\ - (xad)->addr2 = __cpu_to_le32((address64) & 0xffffffff);\ + (xad)->addr1 = ((u64)address64) >> 32;\ + (xad)->addr2 = __cpu_to_le32((address64) & 0xffffffff);\ } -#define XADlength(xad, length32) (xad)->len = __cpu_to_le24(length32) +#define XADlength(xad, length32) (xad)->len = __cpu_to_le24(length32) /* xad_t field extraction */ #define offsetXAD(xad)\ - ( ((s64)((xad)->off1)) << 32 | __le32_to_cpu((xad)->off2)) + ( ((s64)((xad)->off1)) << 32 | __le32_to_cpu((xad)->off2)) #define addressXAD(xad)\ - ( ((s64)((xad)->addr1)) << 32 | __le32_to_cpu((xad)->addr2)) -#define lengthXAD(xad) __le24_to_cpu((xad)->len) + ( ((s64)((xad)->addr1)) << 32 | __le32_to_cpu((xad)->addr2)) +#define lengthXAD(xad) __le24_to_cpu((xad)->len) /* xad list */ struct xadlist { @@ -71,22 +71,22 @@ struct xadlist { }; /* xad_t flags */ -#define XAD_NEW 0x01 /* new */ -#define XAD_EXTENDED 0x02 /* extended */ -#define XAD_COMPRESSED 0x04 /* compressed with recorded length */ +#define XAD_NEW 0x01 /* new */ +#define XAD_EXTENDED 0x02 /* extended */ +#define XAD_COMPRESSED 0x04 /* compressed with recorded length */ #define XAD_NOTRECORDED 0x08 /* allocated but not recorded */ -#define XAD_COW 0x10 /* copy-on-write */ +#define XAD_COW 0x10 /* copy-on-write */ /* possible values for maxentry */ -#define XTROOTINITSLOT_DIR 6 -#define XTROOTINITSLOT 10 -#define XTROOTMAXSLOT 18 -#define XTPAGEMAXSLOT 256 -#define XTENTRYSTART 2 +#define XTROOTINITSLOT_DIR 6 +#define XTROOTINITSLOT 10 +#define XTROOTMAXSLOT 18 +#define XTPAGEMAXSLOT 256 +#define XTENTRYSTART 2 /* - * xtree page: + * xtree page: */ typedef union { struct xtheader { @@ -106,7 +106,7 @@ typedef union { } xtpage_t; /* - * external declaration + * external declaration */ extern int xtLookup(struct inode *ip, s64 lstart, s64 llen, int *pflag, s64 * paddr, int *plen, int flag); |