X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fufs_fs.h;h=10b854d3561fd982a42d976eddbdad8aa6a538fa;hb=838225b48edc971620cbeb292034dabd2b0d7d1d;hp=843aeaaa79d4a4cb8d68b21ff1518bfe1b8283aa;hpb=4b6f5d20b04dcbc3d888555522b90ba6d36c4106;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h index 843aeaa..10b854d 100644 --- a/include/linux/ufs_fs.h +++ b/include/linux/ufs_fs.h @@ -32,7 +32,6 @@ #include #include -#include #include #include @@ -41,14 +40,12 @@ typedef __u64 __fs64; typedef __u32 __fs32; typedef __u16 __fs16; #else +#include typedef __u64 __bitwise __fs64; typedef __u32 __bitwise __fs32; typedef __u16 __bitwise __fs16; #endif -#include -#include - #define UFS_BBLOCK 0 #define UFS_BBSIZE 8192 #define UFS_SBLOCK 8192 @@ -168,8 +165,9 @@ 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 @@ -185,28 +183,6 @@ typedef __u16 __bitwise __fs16; #define UFS_42INODEFMT -1 #define UFS_44INODEFMT 2 -/* mount options */ -#define UFS_MOUNT_ONERROR 0x0000000F -#define UFS_MOUNT_ONERROR_PANIC 0x00000001 -#define UFS_MOUNT_ONERROR_LOCK 0x00000002 -#define UFS_MOUNT_ONERROR_UMOUNT 0x00000004 -#define UFS_MOUNT_ONERROR_REPAIR 0x00000008 - -#define UFS_MOUNT_UFSTYPE 0x0000FFF0 -#define UFS_MOUNT_UFSTYPE_OLD 0x00000010 -#define UFS_MOUNT_UFSTYPE_44BSD 0x00000020 -#define UFS_MOUNT_UFSTYPE_SUN 0x00000040 -#define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080 -#define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100 -#define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200 -#define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400 -#define UFS_MOUNT_UFSTYPE_HP 0x00000800 -#define UFS_MOUNT_UFSTYPE_UFS2 0x00001000 - -#define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt -#define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt -#define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt) - /* * MINFREE gives the minimum acceptable percentage of file system * blocks which may be free. If the freelist drops below this level @@ -249,17 +225,10 @@ typedef __u16 __bitwise __fs16; */ #define ufs_inotocg(x) ((x) / uspi->s_ipg) #define ufs_inotocgoff(x) ((x) % uspi->s_ipg) -#define ufs_inotofsba(x) (ufs_cgimin(ufs_inotocg(x)) + ufs_inotocgoff(x) / uspi->s_inopf) +#define ufs_inotofsba(x) (((u64)ufs_cgimin(ufs_inotocg(x))) + ufs_inotocgoff(x) / uspi->s_inopf) #define ufs_inotofsbo(x) ((x) % uspi->s_inopf) /* - * Give cylinder group number for a file system block. - * Give cylinder group block number for a file system block. - */ -#define ufs_dtog(d) ((d) / uspi->s_fpg) -#define ufs_dtogd(d) ((d) % uspi->s_fpg) - -/* * Compute the cylinder and rotational position of a cyl block addr. */ #define ufs_cbtocylno(bno) \ @@ -291,7 +260,7 @@ typedef __u16 __bitwise __fs16; #define UFS_MAXMNTLEN 512 #define UFS2_MAXMNTLEN 468 #define UFS2_MAXVOLLEN 32 -/* #define UFS_MAXCSBUFS 31 */ +#define UFS_MAXCSBUFS 31 #define UFS_LINK_MAX 32000 /* #define UFS2_NOCSPTRS ((128 / sizeof(void *)) - 4) @@ -339,11 +308,41 @@ struct ufs2_csum_total { __fs64 cs_spare[3]; /* future expansion */ }; +struct ufs_csum_core { + __u64 cs_ndir; /* number of directories */ + __u64 cs_nbfree; /* number of free blocks */ + __u64 cs_nifree; /* number of free inodes */ + __u64 cs_nffree; /* number of free frags */ + __u64 cs_numclusters; /* number of free clusters */ +}; + +/* + * File system flags + */ +#define UFS_UNCLEAN 0x01 /* file system not clean at mount (unused) */ +#define UFS_DOSOFTDEP 0x02 /* file system using soft dependencies */ +#define UFS_NEEDSFSCK 0x04 /* needs sync fsck (FreeBSD compat, unused) */ +#define UFS_INDEXDIRS 0x08 /* kernel supports indexed directories */ +#define UFS_ACLS 0x10 /* file system has ACLs enabled */ +#define UFS_MULTILABEL 0x20 /* file system is MAC multi-label */ +#define UFS_FLAGS_UPDATED 0x80 /* flags have been moved to new location */ + +#if 0 /* * This is the actual superblock, as it is laid out on the disk. + * Do NOT use this structure, because of sizeof(ufs_super_block) > 512 and + * it may occupy several blocks, use + * 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 */ @@ -417,7 +416,7 @@ struct ufs_super_block { __s8 fs_fmod; /* super block modified flag */ __s8 fs_clean; /* file system is clean flag */ __s8 fs_ronly; /* mounted read-only flag */ - __s8 fs_flags; /* currently unused flag */ + __s8 fs_flags; union { struct { __s8 fs_fsmnt[UFS_MAXMNTLEN];/* name mounted on */ @@ -486,6 +485,7 @@ struct ufs_super_block { __fs32 fs_magic; /* magic number */ __u8 fs_space[1]; /* list of blocks for each rotation */ }; +#endif/*struct ufs_super_block*/ /* * Preference for optimization. @@ -513,6 +513,15 @@ 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 @@ -558,6 +567,28 @@ 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 */ @@ -617,10 +648,10 @@ struct ufs2_inode { __fs32 ui_blksize; /* 12: Inode blocksize. */ __fs64 ui_size; /* 16: File byte count. */ __fs64 ui_blocks; /* 24: Bytes actually held. */ - struct ufs_timeval ui_atime; /* 32: Last access time. */ - struct ufs_timeval ui_mtime; /* 40: Last modified time. */ - struct ufs_timeval ui_ctime; /* 48: Last inode change time. */ - struct ufs_timeval ui_birthtime; /* 56: Inode creation time. */ + __fs64 ui_atime; /* 32: Last access time. */ + __fs64 ui_mtime; /* 40: Last modified time. */ + __fs64 ui_ctime; /* 48: Last inode change time. */ + __fs64 ui_birthtime; /* 56: Inode creation time. */ __fs32 ui_mtimensec; /* 64: Last modified time. */ __fs32 ui_atimensec; /* 68: Last access time. */ __fs32 ui_ctimensec; /* 72: Last inode change time. */ @@ -667,7 +698,7 @@ struct ufs_buffer_head { }; struct ufs_cg_private_info { - struct ufs_cylinder_group ucg; + struct ufs_buffer_head c_ubh; __u32 c_cgx; /* number of cylidner group */ __u16 c_ncyl; /* number of cyl's this cg */ __u16 c_niblk; /* number of inode blocks this cg */ @@ -685,8 +716,10 @@ struct ufs_cg_private_info { __u32 c_nclusterblks; /* number of clusters this cg */ }; + struct ufs_sb_private_info { struct ufs_buffer_head s_ubh; /* buffer containing super block */ + struct ufs_csum_core cs_total; __u32 s_sblkno; /* offset of super-blocks in filesys */ __u32 s_cblkno; /* offset of cg-block in filesys */ __u32 s_iblkno; /* offset of inode-blocks in filesys */ @@ -717,7 +750,7 @@ struct ufs_sb_private_info { __u32 s_npsect; /* # sectors/track including spares */ __u32 s_interleave; /* hardware sector interleave */ __u32 s_trackskew; /* sector 0 skew, per track */ - __u32 s_csaddr; /* blk addr of cyl grp summary area */ + __u64 s_csaddr; /* blk addr of cyl grp summary area */ __u32 s_cssize; /* size of cyl grp summary area */ __u32 s_cgsize; /* cylinder group size */ __u32 s_ntrak; /* tracks per cylinder */ @@ -752,6 +785,7 @@ struct ufs_sb_private_info { __u32 s_maxsymlinklen;/* upper limit on fast symlinks' size */ __s32 fs_magic; /* filesystem magic */ + unsigned int s_dirblksize; }; /* @@ -761,7 +795,14 @@ 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; @@ -825,16 +866,54 @@ struct ufs_super_block_first { }; struct ufs_super_block_second { - __s8 fs_fsmnt[212]; - __fs32 fs_cgrotor; - __fs32 fs_csp[UFS_MAXCSBUFS]; - __fs32 fs_maxcluster; - __fs32 fs_cpc; - __fs16 fs_opostbl[82]; -}; + union { + struct { + __s8 fs_fsmnt[212]; + __fs32 fs_cgrotor; + __fs32 fs_csp[UFS_MAXCSBUFS]; + __fs32 fs_maxcluster; + __fs32 fs_cpc; + __fs16 fs_opostbl[82]; + } fs_u1; + struct { + __s8 fs_fsmnt[UFS2_MAXMNTLEN - UFS_MAXMNTLEN + 212]; + __u8 fs_volname[UFS2_MAXVOLLEN]; + __fs64 fs_swuid; + __fs32 fs_pad; + __fs32 fs_cgrotor; + __fs32 fs_ocsp[UFS2_NOCSPTRS]; + __fs32 fs_contigdirs; + __fs32 fs_csp; + __fs32 fs_maxcluster; + __fs32 fs_active; + __fs32 fs_old_cpc; + __fs32 fs_maxbsize; + __fs64 fs_sparecon64[17]; + __fs64 fs_sblockloc; + __fs64 cs_ndir; + __fs64 cs_nbfree; + } fs_u2; + } fs_un; +}; struct ufs_super_block_third { - __fs16 fs_opostbl[46]; + union { + struct { + __fs16 fs_opostbl[46]; + } fs_u1; + struct { + __fs64 cs_nifree; /* number of free inodes */ + __fs64 cs_nffree; /* number of free frags */ + __fs64 cs_numclusters; /* number of free clusters */ + __fs64 cs_spare[3]; /* future expansion */ + struct ufs_timeval fs_time; /* last time written */ + __fs64 fs_size; /* number of blocks in fs */ + __fs64 fs_dsize; /* number of data blocks in fs */ + __fs64 fs_csaddr; /* blk addr of cyl grp summary area */ + __fs64 fs_pendingblocks;/* blocks in process of being freed */ + __fs32 fs_pendinginodes;/*inodes in process of being freed */ + } __attribute__ ((packed)) fs_u2; + } fs_un1; union { struct { __fs32 fs_sparecon[53];/* reserved for future constants */ @@ -862,7 +941,7 @@ struct ufs_super_block_third { __fs32 fs_qfmask[2]; /* ~usb_fmask */ __fs32 fs_state; /* file system state time stamp */ } fs_44; - } fs_u2; + } fs_un2; __fs32 fs_postblformat; __fs32 fs_nrpos; __fs32 fs_postbloff; @@ -871,73 +950,4 @@ struct ufs_super_block_third { __u8 fs_space[1]; }; -#ifdef __KERNEL__ - -/* balloc.c */ -extern void ufs_free_fragments (struct inode *, unsigned, unsigned); -extern void ufs_free_blocks (struct inode *, unsigned, unsigned); -extern unsigned ufs_new_fragments (struct inode *, __fs32 *, unsigned, unsigned, unsigned, int *); - -/* cylinder.c */ -extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned); -extern void ufs_put_cylinder (struct super_block *, unsigned); - -/* dir.c */ -extern struct inode_operations ufs_dir_inode_operations; -extern int ufs_add_link (struct dentry *, struct inode *); -extern ino_t ufs_inode_by_name(struct inode *, struct dentry *); -extern int ufs_make_empty(struct inode *, struct inode *); -extern struct ufs_dir_entry * ufs_find_entry (struct dentry *, struct buffer_head **); -extern int ufs_delete_entry (struct inode *, struct ufs_dir_entry *, struct buffer_head *); -extern int ufs_empty_dir (struct inode *); -extern struct ufs_dir_entry * ufs_dotdot (struct inode *, struct buffer_head **); -extern void ufs_set_link(struct inode *, struct ufs_dir_entry *, struct buffer_head *, struct inode *); - -/* file.c */ -extern struct inode_operations ufs_file_inode_operations; -extern const struct file_operations ufs_file_operations; - -extern struct address_space_operations ufs_aops; - -/* ialloc.c */ -extern void ufs_free_inode (struct inode *inode); -extern struct inode * ufs_new_inode (struct inode *, int); - -/* inode.c */ -extern u64 ufs_frag_map (struct inode *, sector_t); -extern void ufs_read_inode (struct inode *); -extern void ufs_put_inode (struct inode *); -extern int ufs_write_inode (struct inode *, int); -extern int ufs_sync_inode (struct inode *); -extern void ufs_delete_inode (struct inode *); -extern struct buffer_head * ufs_getfrag (struct inode *, unsigned, int, int *); -extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *); -extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create); - -/* namei.c */ -extern const struct file_operations ufs_dir_operations; - -/* super.c */ -extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); -extern void ufs_error (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); -extern void ufs_panic (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); - -/* symlink.c */ -extern struct inode_operations ufs_fast_symlink_inode_operations; - -/* truncate.c */ -extern void ufs_truncate (struct inode *); - -static inline struct ufs_sb_info *UFS_SB(struct super_block *sb) -{ - return sb->s_fs_info; -} - -static inline struct ufs_inode_info *UFS_I(struct inode *inode) -{ - return container_of(inode, struct ufs_inode_info, vfs_inode); -} - -#endif /* __KERNEL__ */ - #endif /* __LINUX_UFS_FS_H */