Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[karo-tx-linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 39e3d117e3d9273e7559bd571d1f1e93299d101a..0c5e1c5b03dbddacb9fe5957cb301471ad5bd1ef 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -6,7 +6,6 @@
  * structures etc.
  */
 
-#include <linux/config.h>
 #include <linux/limits.h>
 #include <linux/ioctl.h>
 
@@ -377,7 +376,8 @@ struct address_space_operations {
        struct page* (*get_xip_page)(struct address_space *, sector_t,
                        int);
        /* migrate the contents of a page to the specified target */
-       int (*migratepage) (struct page *, struct page *);
+       int (*migratepage) (struct address_space *,
+                       struct page *, struct page *);
 };
 
 struct backing_dev_info;
@@ -392,7 +392,7 @@ struct address_space {
        unsigned int            truncate_count; /* Cover race condition with truncate */
        unsigned long           nrpages;        /* number of total pages */
        pgoff_t                 writeback_index;/* writeback starts here */
-       struct address_space_operations *a_ops; /* methods */
+       const struct address_space_operations *a_ops;   /* methods */
        unsigned long           flags;          /* error bits/gfp mask */
        struct backing_dev_info *backing_dev_info; /* device readahead, etc */
        spinlock_t              private_lock;   /* for use by the address_space */
@@ -683,6 +683,7 @@ extern spinlock_t files_lock;
 #define FL_FLOCK       2
 #define FL_ACCESS      8       /* not trying to lock, just looking */
 #define FL_LEASE       32      /* lease held on this file */
+#define FL_CLOSE       64      /* unlock on close */
 #define FL_SLEEP       128     /* A blocking lock */
 
 /*
@@ -775,7 +776,6 @@ extern int posix_lock_file_conf(struct file *, struct file_lock *, struct file_l
 extern int posix_lock_file(struct file *, struct file_lock *);
 extern int posix_lock_file_wait(struct file *, struct file_lock *);
 extern int posix_unblock_lock(struct file *, struct file_lock *);
-extern int posix_locks_deadlock(struct file_lock *, struct file_lock *);
 extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
 extern int __break_lease(struct inode *inode, unsigned int flags);
 extern void lease_get_mtime(struct inode *, struct timespec *time);
@@ -783,7 +783,6 @@ extern int setlease(struct file *, long, struct file_lock **);
 extern int lease_modify(struct file_lock **, int);
 extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
 extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
-extern void steal_locks(fl_owner_t from);
 
 struct fasync_struct {
        int     magic;
@@ -1026,7 +1025,7 @@ struct file_operations {
        long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
        int (*mmap) (struct file *, struct vm_area_struct *);
        int (*open) (struct inode *, struct file *);
-       int (*flush) (struct file *);
+       int (*flush) (struct file *, fl_owner_t id);
        int (*release) (struct inode *, struct file *);
        int (*fsync) (struct file *, struct dentry *, int datasync);
        int (*aio_fsync) (struct kiocb *, int datasync);
@@ -1098,10 +1097,10 @@ struct super_operations {
        int (*sync_fs)(struct super_block *sb, int wait);
        void (*write_super_lockfs) (struct super_block *);
        void (*unlockfs) (struct super_block *);
-       int (*statfs) (struct super_block *, struct kstatfs *);
+       int (*statfs) (struct dentry *, struct kstatfs *);
        int (*remount_fs) (struct super_block *, int *, char *);
        void (*clear_inode) (struct inode *);
-       void (*umount_begin) (struct super_block *);
+       void (*umount_begin) (struct vfsmount *, int);
 
        int (*show_options)(struct seq_file *, struct vfsmount *);
        int (*show_stats)(struct seq_file *, struct vfsmount *);
@@ -1271,23 +1270,26 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
 struct file_system_type {
        const char *name;
        int fs_flags;
-       struct super_block *(*get_sb) (struct file_system_type *, int,
-                                      const char *, void *);
+       int (*get_sb) (struct file_system_type *, int,
+                      const char *, void *, struct vfsmount *);
        void (*kill_sb) (struct super_block *);
        struct module *owner;
        struct file_system_type * next;
        struct list_head fs_supers;
 };
 
-struct super_block *get_sb_bdev(struct file_system_type *fs_type,
+extern int get_sb_bdev(struct file_system_type *fs_type,
        int flags, const char *dev_name, void *data,
-       int (*fill_super)(struct super_block *, void *, int));
-struct super_block *get_sb_single(struct file_system_type *fs_type,
+       int (*fill_super)(struct super_block *, void *, int),
+       struct vfsmount *mnt);
+extern int get_sb_single(struct file_system_type *fs_type,
        int flags, void *data,
-       int (*fill_super)(struct super_block *, void *, int));
-struct super_block *get_sb_nodev(struct file_system_type *fs_type,
+       int (*fill_super)(struct super_block *, void *, int),
+       struct vfsmount *mnt);
+extern int get_sb_nodev(struct file_system_type *fs_type,
        int flags, void *data,
-       int (*fill_super)(struct super_block *, void *, int));
+       int (*fill_super)(struct super_block *, void *, int),
+       struct vfsmount *mnt);
 void generic_shutdown_super(struct super_block *sb);
 void kill_block_super(struct super_block *sb);
 void kill_anon_super(struct super_block *sb);
@@ -1298,8 +1300,10 @@ struct super_block *sget(struct file_system_type *type,
                        int (*test)(struct super_block *,void *),
                        int (*set)(struct super_block *,void *),
                        void *data);
-struct super_block *get_sb_pseudo(struct file_system_type *, char *,
-                       struct super_operations *ops, unsigned long);
+extern int get_sb_pseudo(struct file_system_type *, char *,
+       struct super_operations *ops, unsigned long,
+       struct vfsmount *mnt);
+extern int simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
 int __put_super(struct super_block *sb);
 int __put_super_and_need_restart(struct super_block *sb);
 void unnamed_dev_init(void);
@@ -1322,7 +1326,7 @@ extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
 extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
                                  struct vfsmount *);
 
-extern int vfs_statfs(struct super_block *, struct kstatfs *);
+extern int vfs_statfs(struct dentry *, struct kstatfs *);
 
 /* /sys/fs */
 extern struct subsystem fs_subsys;
@@ -1404,7 +1408,7 @@ extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern struct block_device *open_by_devnum(dev_t, unsigned);
 extern const struct file_operations def_blk_fops;
-extern struct address_space_operations def_blk_aops;
+extern const struct address_space_operations def_blk_aops;
 extern const struct file_operations def_chr_fops;
 extern const struct file_operations bad_sock_fops;
 extern const struct file_operations def_fifo_fops;
@@ -1746,7 +1750,7 @@ extern int dcache_dir_close(struct inode *, struct file *);
 extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
 extern int dcache_readdir(struct file *, void *, filldir_t);
 extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
-extern int simple_statfs(struct super_block *, struct kstatfs *);
+extern int simple_statfs(struct dentry *, struct kstatfs *);
 extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
@@ -1766,13 +1770,14 @@ extern struct inode_operations simple_dir_inode_operations;
 struct tree_descr { char *name; const struct file_operations *ops; int mode; };
 struct dentry *d_alloc_name(struct dentry *, const char *);
 extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
-extern int simple_pin_fs(char *name, struct vfsmount **mount, int *count);
+extern int simple_pin_fs(struct file_system_type *, struct vfsmount **mount, int *count);
 extern void simple_release_fs(struct vfsmount **mount, int *count);
 
 extern ssize_t simple_read_from_buffer(void __user *, size_t, loff_t *, const void *, size_t);
 
 #ifdef CONFIG_MIGRATION
-extern int buffer_migrate_page(struct page *, struct page *);
+extern int buffer_migrate_page(struct address_space *,
+                               struct page *, struct page *);
 #else
 #define buffer_migrate_page NULL
 #endif