vfs: switch ->show_options() to struct dentry *

[deliverable/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index e0bc4ffb8e7f0ec42a916219ab02f43a112609d1..cc1021fd19efafbb3099ac91e60937b96138a4eb 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1440,7 +1440,7 @@ struct super_block {
        struct block_device     *s_bdev;
        struct backing_dev_info *s_bdi;
        struct mtd_info         *s_mtd;
-       struct list_head        s_instances;
+       struct hlist_node       s_instances;
        struct quota_info       s_dquot;        /* Diskquota specific options */
 
        int                     s_frozen;
@@ -1516,9 +1516,9 @@ extern void unlock_super(struct super_block *);
 /*
  * VFS helper functions..
  */
-extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *);
-extern int vfs_mkdir(struct inode *, struct dentry *, int);
-extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t);
+extern int vfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *);
+extern int vfs_mkdir(struct inode *, struct dentry *, umode_t);
+extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
 extern int vfs_symlink(struct inode *, struct dentry *, const char *);
 extern int vfs_link(struct dentry *, struct inode *, struct dentry *);
 extern int vfs_rmdir(struct inode *, struct dentry *);
@@ -1534,7 +1534,7 @@ extern void dentry_unhash(struct dentry *dentry);
  * VFS file helper functions.
  */
 extern void inode_init_owner(struct inode *inode, const struct inode *dir,
-                       mode_t mode);
+                       umode_t mode);
 /*
  * VFS FS_IOC_FIEMAP helper definitions.
  */
@@ -1619,13 +1619,13 @@ struct inode_operations {
        int (*readlink) (struct dentry *, char __user *,int);
        void (*put_link) (struct dentry *, struct nameidata *, void *);
 
-       int (*create) (struct inode *,struct dentry *,int, struct nameidata *);
+       int (*create) (struct inode *,struct dentry *,umode_t,struct nameidata *);
        int (*link) (struct dentry *,struct inode *,struct dentry *);
        int (*unlink) (struct inode *,struct dentry *);
        int (*symlink) (struct inode *,struct dentry *,const char *);
-       int (*mkdir) (struct inode *,struct dentry *,int);
+       int (*mkdir) (struct inode *,struct dentry *,umode_t);
        int (*rmdir) (struct inode *,struct dentry *);
-       int (*mknod) (struct inode *,struct dentry *,int,dev_t);
+       int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
        int (*rename) (struct inode *, struct dentry *,
                        struct inode *, struct dentry *);
        void (*truncate) (struct inode *);
@@ -1672,10 +1672,10 @@ struct super_operations {
        int (*remount_fs) (struct super_block *, int *, char *);
        void (*umount_begin) (struct super_block *);
 
-       int (*show_options)(struct seq_file *, struct vfsmount *);
-       int (*show_devname)(struct seq_file *, struct vfsmount *);
-       int (*show_path)(struct seq_file *, struct vfsmount *);
-       int (*show_stats)(struct seq_file *, struct vfsmount *);
+       int (*show_options)(struct seq_file *, struct dentry *);
+       int (*show_devname)(struct seq_file *, struct dentry *);
+       int (*show_path)(struct seq_file *, struct dentry *);
+       int (*show_stats)(struct seq_file *, struct dentry *);
 #ifdef CONFIG_QUOTA
        ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
        ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
@@ -1864,7 +1864,7 @@ struct file_system_type {
        void (*kill_sb) (struct super_block *);
        struct module *owner;
        struct file_system_type * next;
-       struct list_head fs_supers;
+       struct hlist_head fs_supers;
 
        struct lock_class_key s_lock_key;
        struct lock_class_key s_umount_key;
@@ -1939,7 +1939,7 @@ extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
 extern int vfs_statfs(struct path *, struct kstatfs *);
 extern int user_statfs(const char __user *, struct kstatfs *);
 extern int fd_statfs(int, struct kstatfs *);
-extern int statfs_by_dentry(struct dentry *, struct kstatfs *);
+extern int vfs_ustat(dev_t, struct kstatfs *);
 extern int freeze_super(struct super_block *super);
 extern int thaw_super(struct super_block *super);
 extern bool our_mnt(struct vfsmount *mnt);
@@ -2054,8 +2054,8 @@ extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs,
 extern int do_fallocate(struct file *file, int mode, loff_t offset,
                        loff_t len);
 extern long do_sys_open(int dfd, const char __user *filename, int flags,
-                       int mode);
-extern struct file *filp_open(const char *, int, int);
+                       umode_t mode);
+extern struct file *filp_open(const char *, int, umode_t);
 extern struct file *file_open_root(struct dentry *, struct vfsmount *,
                                   const char *, int);
 extern struct file * dentry_open(struct dentry *, struct vfsmount *, int,
@@ -2092,6 +2092,7 @@ extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern void invalidate_bdev(struct block_device *);
 extern int sync_blockdev(struct block_device *bdev);
+extern void kill_bdev(struct block_device *);
 extern struct super_block *freeze_bdev(struct block_device *);
 extern void emergency_thaw_all(void);
 extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
@@ -2099,6 +2100,7 @@ extern int fsync_bdev(struct block_device *);
 #else
 static inline void bd_forget(struct inode *inode) {}
 static inline int sync_blockdev(struct block_device *bdev) { return 0; }
+static inline void kill_bdev(struct block_device *bdev) {}
 static inline void invalidate_bdev(struct block_device *bdev) {}
 
 static inline struct super_block *freeze_bdev(struct block_device *sb)
@@ -2415,6 +2417,7 @@ extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
                                unsigned long nr_segs, loff_t pos);
 extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end,
                        int datasync);
+extern void block_sync_page(struct page *page);
 
 /* fs/splice.c */
 extern ssize_t generic_file_splice_read(struct file *, loff_t *,
@@ -2531,7 +2534,6 @@ extern void put_filesystem(struct file_system_type *fs);
 extern struct file_system_type *get_fs_type(const char *name);
 extern struct super_block *get_super(struct block_device *);
 extern struct super_block *get_active_super(struct block_device *bdev);
-extern struct super_block *user_get_super(dev_t);
 extern void drop_super(struct super_block *sb);
 extern void iterate_supers(void (*)(struct super_block *, void *), void *);
 extern void iterate_supers_type(struct file_system_type *,
@@ -2590,7 +2592,7 @@ extern void setattr_copy(struct inode *inode, const struct iattr *attr);
 
 extern void file_update_time(struct file *file);
 
-extern int generic_show_options(struct seq_file *m, struct vfsmount *mnt);
+extern int generic_show_options(struct seq_file *m, struct dentry *root);
 extern void save_mount_options(struct super_block *sb, char *options);
 extern void replace_mount_options(struct super_block *sb, char *options);
 
@@ -2691,7 +2693,7 @@ int __init get_filesystem_list(char *buf);
 #define OPEN_FMODE(flag) ((__force fmode_t)(((flag + 1) & O_ACCMODE) | \
                                            (flag & __FMODE_NONOTIFY)))
 
-static inline int is_sxid(mode_t mode)
+static inline int is_sxid(umode_t mode)
 {
        return (mode & S_ISUID) || ((mode & S_ISGID) && (mode & S_IXGRP));
 }