#include <linux/radix-tree.h>
#include <linux/prio_tree.h>
#include <linux/init.h>
+#include <linux/sched.h>
#include <asm/atomic.h>
#include <asm/semaphore.h>
struct dnotify_struct *i_dnotify; /* for directory notifications */
#endif
+#ifdef CONFIG_INOTIFY
+ struct list_head inotify_watches; /* watches on this inode */
+ struct semaphore inotify_sem; /* protects the watches list */
+#endif
+
unsigned long i_state;
unsigned long dirtied_when; /* jiffies of first dirtying */
#include <linux/fcntl.h>
extern int fcntl_getlk(struct file *, struct flock __user *);
-extern int fcntl_setlk(struct file *, unsigned int, struct flock __user *);
+extern int fcntl_setlk(unsigned int, struct file *, unsigned int,
+ struct flock __user *);
#if BITS_PER_LONG == 32
extern int fcntl_getlk64(struct file *, struct flock64 __user *);
-extern int fcntl_setlk64(struct file *, unsigned int, struct flock64 __user *);
+extern int fcntl_setlk64(unsigned int, struct file *, unsigned int,
+ struct flock64 __user *);
#endif
extern void send_sigio(struct fown_struct *fown, int fd, int band);
#define vfs_check_frozen(sb, level) \
wait_event((sb)->s_wait_unfrozen, ((sb)->s_frozen < (level)))
+static inline void get_fs_excl(void)
+{
+ atomic_inc(¤t->fs_excl);
+}
+
+static inline void put_fs_excl(void)
+{
+ atomic_dec(¤t->fs_excl);
+}
+
+static inline int has_fs_excl(void)
+{
+ return atomic_read(¤t->fs_excl);
+}
+
+
/*
* Superblock locking.
*/
static inline void lock_super(struct super_block * sb)
{
+ get_fs_excl();
down(&sb->s_lock);
}
static inline void unlock_super(struct super_block * sb)
{
+ put_fs_excl();
up(&sb->s_lock);
}
int (*rename) (struct inode *, struct dentry *,
struct inode *, struct dentry *);
int (*readlink) (struct dentry *, char __user *,int);
- int (*follow_link) (struct dentry *, struct nameidata *);
- void (*put_link) (struct dentry *, struct nameidata *);
+ void * (*follow_link) (struct dentry *, struct nameidata *);
+ void (*put_link) (struct dentry *, struct nameidata *, void *);
void (*truncate) (struct inode *);
int (*permission) (struct inode *, int, struct nameidata *);
int (*setattr) (struct dentry *, struct iattr *);
extern int do_remount_sb(struct super_block *sb, int flags,
void *data, int force);
extern sector_t bmap(struct inode *, sector_t);
-extern int setattr_mask(unsigned int);
extern int notify_change(struct dentry *, struct iattr *);
extern int permission(struct inode *, int, struct nameidata *);
extern int generic_permission(struct inode *, int,
extern ino_t iunique(struct super_block *, ino_t);
extern int inode_needs_sync(struct inode *inode);
extern void generic_delete_inode(struct inode *inode);
+extern void generic_drop_inode(struct inode *inode);
+extern struct inode *ilookup5_nowait(struct super_block *sb,
+ unsigned long hashval, int (*test)(struct inode *, void *),
+ void *data);
extern struct inode *ilookup5(struct super_block *sb, unsigned long hashval,
int (*test)(struct inode *, void *), void *data);
extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
extern int nonseekable_open(struct inode * inode, struct file * filp);
#ifdef CONFIG_FS_XIP
-extern ssize_t xip_file_aio_read(struct kiocb *iocb, char __user *buf,
- size_t count, loff_t pos);
-extern ssize_t xip_file_readv(struct file *filp, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos);
+extern ssize_t xip_file_read(struct file *filp, char __user *buf, size_t len,
+ loff_t *ppos);
extern ssize_t xip_file_sendfile(struct file *in_file, loff_t *ppos,
size_t count, read_actor_t actor,
void *target);
extern int xip_file_mmap(struct file * file, struct vm_area_struct * vma);
-extern ssize_t xip_file_aio_write(struct kiocb *iocb, const char __user *buf,
- size_t count, loff_t pos);
-extern ssize_t xip_file_writev(struct file *file, const struct iovec *iov,
- unsigned long nr_segs, loff_t *ppos);
+extern ssize_t xip_file_write(struct file *filp, const char __user *buf,
+ size_t len, loff_t *ppos);
extern int xip_truncate_page(struct address_space *mapping, loff_t from);
+#else
+static inline int xip_truncate_page(struct address_space *mapping, loff_t from)
+{
+ return 0;
+}
#endif
static inline void do_generic_file_read(struct file * filp, loff_t *ppos,
extern int vfs_readlink(struct dentry *, char __user *, int, const char *);
extern int vfs_follow_link(struct nameidata *, const char *);
extern int page_readlink(struct dentry *, char __user *, int);
-extern int page_follow_link_light(struct dentry *, struct nameidata *);
-extern void page_put_link(struct dentry *, struct nameidata *);
+extern void *page_follow_link_light(struct dentry *, struct nameidata *);
+extern void page_put_link(struct dentry *, struct nameidata *, void *);
extern int page_symlink(struct inode *inode, const char *symname, int len);
extern struct inode_operations page_symlink_inode_operations;
extern int generic_readlink(struct dentry *, char __user *, int);