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-rw-r--r--fs/minix/minix.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
new file mode 100644
index 000000000000..e42a8bb89001
--- /dev/null
+++ b/fs/minix/minix.h
@@ -0,0 +1,96 @@
+#include <linux/fs.h>
+#include <linux/pagemap.h>
+#include <linux/minix_fs.h>
+
+/*
+ * change the define below to 0 if you want names > info->s_namelen chars to be
+ * truncated. Else they will be disallowed (ENAMETOOLONG).
+ */
+#define NO_TRUNCATE 1
+
+#define INODE_VERSION(inode) minix_sb(inode->i_sb)->s_version
+
+#define MINIX_V1 0x0001 /* original minix fs */
+#define MINIX_V2 0x0002 /* minix V2 fs */
+
+/*
+ * minix fs inode data in memory
+ */
+struct minix_inode_info {
+ union {
+ __u16 i1_data[16];
+ __u32 i2_data[16];
+ } u;
+ struct inode vfs_inode;
+};
+
+/*
+ * minix super-block data in memory
+ */
+struct minix_sb_info {
+ unsigned long s_ninodes;
+ unsigned long s_nzones;
+ unsigned long s_imap_blocks;
+ unsigned long s_zmap_blocks;
+ unsigned long s_firstdatazone;
+ unsigned long s_log_zone_size;
+ unsigned long s_max_size;
+ int s_dirsize;
+ int s_namelen;
+ int s_link_max;
+ struct buffer_head ** s_imap;
+ struct buffer_head ** s_zmap;
+ struct buffer_head * s_sbh;
+ struct minix_super_block * s_ms;
+ unsigned short s_mount_state;
+ unsigned short s_version;
+};
+
+extern struct minix_inode * minix_V1_raw_inode(struct super_block *, ino_t, struct buffer_head **);
+extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **);
+extern struct inode * minix_new_inode(const struct inode * dir, int * error);
+extern void minix_free_inode(struct inode * inode);
+extern unsigned long minix_count_free_inodes(struct minix_sb_info *sbi);
+extern int minix_new_block(struct inode * inode);
+extern void minix_free_block(struct inode * inode, int block);
+extern unsigned long minix_count_free_blocks(struct minix_sb_info *sbi);
+
+extern int minix_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+
+extern void V2_minix_truncate(struct inode *);
+extern void V1_minix_truncate(struct inode *);
+extern void V2_minix_truncate(struct inode *);
+extern void minix_truncate(struct inode *);
+extern int minix_sync_inode(struct inode *);
+extern void minix_set_inode(struct inode *, dev_t);
+extern int V1_minix_get_block(struct inode *, long, struct buffer_head *, int);
+extern int V2_minix_get_block(struct inode *, long, struct buffer_head *, int);
+extern unsigned V1_minix_blocks(loff_t);
+extern unsigned V2_minix_blocks(loff_t);
+
+extern struct minix_dir_entry *minix_find_entry(struct dentry*, struct page**);
+extern int minix_add_link(struct dentry*, struct inode*);
+extern int minix_delete_entry(struct minix_dir_entry*, struct page*);
+extern int minix_make_empty(struct inode*, struct inode*);
+extern int minix_empty_dir(struct inode*);
+extern void minix_set_link(struct minix_dir_entry*, struct page*, struct inode*);
+extern struct minix_dir_entry *minix_dotdot(struct inode*, struct page**);
+extern ino_t minix_inode_by_name(struct dentry*);
+
+extern int minix_sync_file(struct file *, struct dentry *, int);
+
+extern struct inode_operations minix_file_inode_operations;
+extern struct inode_operations minix_dir_inode_operations;
+extern struct file_operations minix_file_operations;
+extern struct file_operations minix_dir_operations;
+extern struct dentry_operations minix_dentry_operations;
+
+static inline struct minix_sb_info *minix_sb(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
+static inline struct minix_inode_info *minix_i(struct inode *inode)
+{
+ return list_entry(inode, struct minix_inode_info, vfs_inode);
+}