#ifndef _OBDFS_H
#define OBDFS_H
#include <linux/obd_class.h>
+#include <linux/list.h>
/* super.c */
void obdfs_read_inode(struct inode *inode);
-
-/* file.c */
-ssize_t obdfs_file_write(struct file *file, const char *buf, size_t count, loff_t *ppos);
+/* flush.c */
+int flushd_init(void);
/* rw.c */
+int obdfs_do_writepage(struct inode *, struct page *, int sync);
+int obdfs_init_wreqcache(void);
+void obdfs_cleanup_wreqcache(void);
+int obdfs_readpage(struct dentry *dentry, struct page *page);
+int obdfs_writepage(struct dentry *dentry, struct page *page);
struct page *obdfs_getpage(struct inode *inode, unsigned long offset, int create, int locked);
-int obdfs_writepage(struct file *file, struct page *page);
int obdfs_write_one_page(struct file *file, struct page *page, unsigned long offset, unsigned long bytes, const char * buf);
/* namei.c */
int obdfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry);
int obdfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry);
/* dir.c */
-int obdfs_readdir(struct file * filp, void * dirent, filldir_t filldir);
int obdfs_check_dir_entry (const char * function, struct inode * dir,
struct ext2_dir_entry_2 * de,
struct page * page,
unsigned long offset);
+/* symlink.c */
+int obdfs_readlink (struct dentry *, char *, int);
+struct dentry *obdfs_follow_link(struct dentry *, struct dentry *, unsigned int);
+
+struct obdfs_super_entry {
+ struct list_head sl_chain;
+ struct obdfs_sb_info *sbi;
+};
+
+struct obdfs_wreq {
+ struct list_head wb_list; /* linked list of req's */
+ struct inode *wb_inode; /* dentry referenced */
+ struct page *wb_page; /* page to be written */
+};
struct obdfs_sb_info {
- struct obd_conn_info osi_conn_info;
+ struct obd_conn osi_conn;
struct super_block *osi_super;
struct obd_device *osi_obd;
struct obd_ops *osi_ops;
ino_t osi_rootino; /* which root inode */
int osi_minor; /* minor of /dev/obdX */
+ struct list_head osi_list; /* linked list of inodes to write */
};
+struct obdfs_inode_info {
+ int oi_flags;
+ struct list_head oi_list;
+ char *oi_inline;
+};
+
+#define WB_NEXT(req) ((struct obdfs_wreq *) ((req)->wb_list.next))
+/* XXX page list should go on each inode instead of supberblock */
+#define OBD_LIST(inode) (((struct obdfs_sb_info *)(&(inode)->i_sb->u.generic_sbp))->osi_list)
+#define WREQ(entry) (list_entry(entry, struct obdfs_wreq, wb_list))
+
void obdfs_sysctl_init(void);
void obdfs_sysctl_clean(void);
-struct obdfs_inode_info;
-
-extern struct file_operations obdfs_file_ops;
-extern struct inode_operations obdfs_inode_ops;
+extern struct file_operations obdfs_file_operations;
+extern struct inode_operations obdfs_file_inode_operations;
+extern struct inode_operations obdfs_dir_inode_operations;
+extern struct inode_operations obdfs_symlink_inode_operations;
static inline struct obd_ops *iops(struct inode *i)
{
return sbi->osi_ops;
}
-static inline int iid(struct inode *i)
+static inline struct obd_conn *iid(struct inode *i)
{
struct obdfs_sb_info *sbi = (struct obdfs_sb_info *) &i->i_sb->u.generic_sbp;
- return sbi->osi_conn_info.conn_id;
+ return &sbi->osi_conn;
}
#define NOLOCK 0
#ifdef ID
#warning "*** WARNING redefining ID"
#else
-#define ID(sb) (((struct obdfs_sb_info *)( & ## sb ## ->u.generic_sbp))->osi_conn_info.conn_id)
-#define IID(inode) (((struct obdfs_sb_info *)( & ## inode->i_sb ## ->u.generic_sbp))->osi_conn_info.conn_id)
+#define ID(sb) (&((struct obdfs_sb_info *)( & ## sb ## ->u.generic_sbp))->osi_conn)
+#define IID(inode) (&((struct obdfs_sb_info *)( & ## inode->i_sb ## ->u.generic_sbp))->osi_conn)
#endif
#define OBDFS_SUPER_MAGIC 0x4711