Initial import

1 files changed, 176 insertions, 0 deletions

diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
new file mode 100644
index 000000000..cf6368d42
--- /dev/null
+++ b/fs/ufs/ufs.h
@@ -0,0 +1,176 @@
+#ifndef _UFS_UFS_H
+#define _UFS_UFS_H 1
+
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define UFS_MAX_GROUP_LOADED 8
+#define UFS_CGNO_EMPTY ((unsigned)-1)
+
+struct ufs_sb_private_info;
+struct ufs_cg_private_info;
+struct ufs_csum;
+
+struct ufs_sb_info {
+	struct ufs_sb_private_info * s_uspi;
+	struct ufs_csum	* s_csp;
+	unsigned s_bytesex;
+	unsigned s_flags;
+	struct buffer_head ** s_ucg;
+	struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED];
+	unsigned s_cgno[UFS_MAX_GROUP_LOADED];
+	unsigned short s_cg_loaded;
+	unsigned s_mount_opt;
+	struct mutex mutex;
+	struct task_struct *mutex_owner;
+	struct super_block *sb;
+	int work_queued; /* non-zero if the delayed work is queued */
+	struct delayed_work sync_work; /* FS sync delayed work */
+	spinlock_t work_lock; /* protects sync_work and work_queued */
+	struct mutex s_lock;
+};
+
+struct ufs_inode_info {
+	union {
+		__fs32	i_data[15];
+		__u8	i_symlink[2 * 4 * 15];
+		__fs64	u2_i_data[15];
+	} i_u1;
+	__u32	i_flags;
+	__u32	i_shadow;
+	__u32	i_unused1;
+	__u32	i_unused2;
+	__u32	i_oeftflag;
+	__u16	i_osync;
+	__u64	i_lastfrag;
+	__u32   i_dir_start_lookup;
+	struct inode vfs_inode;
+};
+
+/* 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_MOUNT_UFSTYPE_SUNOS		0x00002000
+
+#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)
+
+/*
+ * Debug code
+ */
+#ifdef CONFIG_UFS_DEBUG
+#	define UFSD(f, a...)	{					\
+		pr_debug("UFSD (%s, %d): %s:",				\
+			__FILE__, __LINE__, __func__);		\
+		pr_debug(f, ## a);					\
+	}
+#else
+#	define UFSD(f, a...)	/**/
+#endif
+
+/* 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 *, const struct qstr *);
+extern int ufs_make_empty(struct inode *, struct inode *);
+extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, 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 *, umode_t);
+
+/* inode.c */
+extern struct inode *ufs_iget(struct super_block *, unsigned long);
+extern int ufs_write_inode (struct inode *, struct writeback_control *);
+extern int ufs_sync_inode (struct inode *);
+extern void ufs_evict_inode (struct inode *);
+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 __printf(3, 4)
+void ufs_warning(struct super_block *, const char *, const char *, ...);
+extern __printf(3, 4)
+void ufs_error(struct super_block *, const char *, const char *, ...);
+extern __printf(3, 4)
+void ufs_panic(struct super_block *, const char *, const char *, ...);
+void ufs_mark_sb_dirty(struct super_block *sb);
+
+/* symlink.c */
+extern const struct inode_operations ufs_fast_symlink_inode_operations;
+extern const struct inode_operations ufs_symlink_inode_operations;
+
+/* truncate.c */
+extern int ufs_truncate (struct inode *, loff_t);
+extern int ufs_setattr(struct dentry *dentry, struct iattr *attr);
+
+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);
+}
+
+extern void lock_ufs(struct super_block *sb);
+extern void unlock_ufs(struct super_block *sb);
+
+#endif /* _UFS_UFS_H */