typedef __u16 __bitwise __fs16;
#endif
-#ifdef __KERNEL__
-#include <linux/ufs_fs_i.h>
-#include <linux/ufs_fs_sb.h>
-#endif
-
#define UFS_BBLOCK 0
#define UFS_BBSIZE 8192
#define UFS_SBLOCK 8192
#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
#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
*/
#define UFS_MINFREE 5
#define UFS_DEFAULTOPT UFS_OPTTIME
-
-/*
- * Debug code
- */
-#ifdef CONFIG_UFS_DEBUG
-# define UFSD(f, a...) { \
- printk ("UFSD (%s, %d): %s:", \
- __FILE__, __LINE__, __FUNCTION__); \
- printk (f, ## a); \
- }
-#else
-# define UFSD(f, a...) /**/
-#endif
/*
* Turn file system block numbers into disk block addresses.
* 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 */
#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
/* 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
*/
* 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;
__u8 fs_space[1];
};
-#ifdef __KERNEL__
-
-/* balloc.c */
-extern void ufs_free_fragments (struct inode *, u64, unsigned);
-extern void ufs_free_blocks (struct inode *, u64, unsigned);
-extern u64 ufs_new_fragments(struct inode *, void *, u64, u64,
- unsigned, int *, struct page *);
-
-/* 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 const 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 inode *, struct dentry *, struct page **);
-extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
-extern int ufs_empty_dir (struct inode *);
-extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
-extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
- struct page *page, struct inode *inode);
-
-/* file.c */
-extern const struct inode_operations ufs_file_inode_operations;
-extern const struct file_operations ufs_file_operations;
-
-extern const 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 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_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 const struct inode_operations ufs_fast_symlink_inode_operations;
-
-/* truncate.c */
-extern int ufs_truncate (struct inode *, loff_t);
-
-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);
-}
-
-/*
- * 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) */
-static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b)
-{
- do_div(b, uspi->s_fpg);
- return b;
-}
-/* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */
-static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b)
-{
- return do_div(b, uspi->s_fpg);
-}
-
-#endif /* __KERNEL__ */
-
#endif /* __LINUX_UFS_FS_H */
git.samba.org / sfrench / cifs-2.6.git / blobdiff