diff options
Diffstat (limited to 'include/linux/ufs_fs.h')
| -rw-r--r-- | include/linux/ufs_fs.h | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h index daeba22b7656..52730d2c9ad9 100644 --- a/include/linux/ufs_fs.h +++ b/include/linux/ufs_fs.h @@ -170,8 +170,9 @@ typedef __u16 __bitwise __fs16; #define UFS_ST_MASK 0x00000700 /* mask for the following */ #define UFS_ST_OLD 0x00000000 #define UFS_ST_44BSD 0x00000100 -#define UFS_ST_SUN 0x00000200 -#define UFS_ST_SUNx86 0x00000400 +#define UFS_ST_SUN 0x00000200 /* Solaris */ +#define UFS_ST_SUNOS 0x00000300 +#define UFS_ST_SUNx86 0x00000400 /* Solaris x86 */ /*cylinder group encoding */ #define UFS_CG_MASK 0x00003000 /* mask for the following */ #define UFS_CG_OLD 0x00000000 @@ -204,6 +205,7 @@ typedef __u16 __bitwise __fs16; #define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400 #define UFS_MOUNT_UFSTYPE_HP 0x00000800 #define UFS_MOUNT_UFSTYPE_UFS2 0x00001000 +#define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000 #define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt #define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt @@ -374,7 +376,14 @@ struct ufs_csum_core { * struct ufs_super_block_(first,second,third) instead. */ struct ufs_super_block { - __fs32 fs_link; /* UNUSED */ + union { + struct { + __fs32 fs_link; /* UNUSED */ + } fs_42; + struct { + __fs32 fs_state; /* file system state flag */ + } fs_sun; + } fs_u0; __fs32 fs_rlink; /* UNUSED */ __fs32 fs_sblkno; /* addr of super-block in filesys */ __fs32 fs_cblkno; /* offset of cyl-block in filesys */ @@ -545,6 +554,15 @@ struct ufs_super_block { #define CG_MAGIC 0x090255 #define ufs_cg_chkmagic(sb, ucg) \ (fs32_to_cpu((sb), (ucg)->cg_magic) == CG_MAGIC) +/* + * Macros for access to old cylinder group array structures + */ +#define ufs_ocg_blktot(sb, ucg) fs32_to_cpu((sb), ((struct ufs_old_cylinder_group *)(ucg))->cg_btot) +#define ufs_ocg_blks(sb, ucg, cylno) fs32_to_cpu((sb), ((struct ufs_old_cylinder_group *)(ucg))->cg_b[cylno]) +#define ufs_ocg_inosused(sb, ucg) fs32_to_cpu((sb), ((struct ufs_old_cylinder_group *)(ucg))->cg_iused) +#define ufs_ocg_blksfree(sb, ucg) fs32_to_cpu((sb), ((struct ufs_old_cylinder_group *)(ucg))->cg_free) +#define ufs_ocg_chkmagic(sb, ucg) \ + (fs32_to_cpu((sb), ((struct ufs_old_cylinder_group *)(ucg))->cg_magic) == CG_MAGIC) /* * size of this structure is 172 B @@ -590,6 +608,28 @@ struct ufs_cylinder_group { /* actually longer */ }; +/* Historic Cylinder group info */ +struct ufs_old_cylinder_group { + __fs32 cg_link; /* linked list of cyl groups */ + __fs32 cg_rlink; /* for incore cyl groups */ + __fs32 cg_time; /* time last written */ + __fs32 cg_cgx; /* we are the cgx'th cylinder group */ + __fs16 cg_ncyl; /* number of cyl's this cg */ + __fs16 cg_niblk; /* number of inode blocks this cg */ + __fs32 cg_ndblk; /* number of data blocks this cg */ + struct ufs_csum cg_cs; /* cylinder summary information */ + __fs32 cg_rotor; /* position of last used block */ + __fs32 cg_frotor; /* position of last used frag */ + __fs32 cg_irotor; /* position of last used inode */ + __fs32 cg_frsum[8]; /* counts of available frags */ + __fs32 cg_btot[32]; /* block totals per cylinder */ + __fs16 cg_b[32][8]; /* positions of free blocks */ + __u8 cg_iused[256]; /* used inode map */ + __fs32 cg_magic; /* magic number */ + __u8 cg_free[1]; /* free block map */ +/* actually longer */ +}; + /* * structure of an on-disk inode */ @@ -796,7 +836,14 @@ struct ufs_sb_private_info { * ufs_super_block_third 356 */ struct ufs_super_block_first { - __fs32 fs_link; + union { + struct { + __fs32 fs_link; /* UNUSED */ + } fs_42; + struct { + __fs32 fs_state; /* file system state flag */ + } fs_sun; + } fs_u0; __fs32 fs_rlink; __fs32 fs_sblkno; __fs32 fs_cblkno; |