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-rw-r--r--include/linux/fs.h50
1 files changed, 16 insertions, 34 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 109734bf637..18cfbf76ec5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1038,6 +1038,12 @@ struct super_block {
* in /proc/mounts will be "type.subtype"
*/
char *s_subtype;
+
+ /*
+ * Saved mount options for lazy filesystems using
+ * generic_show_options()
+ */
+ char *s_options;
};
extern struct timespec current_fs_time(struct super_block *sb);
@@ -1241,8 +1247,6 @@ struct super_operations {
struct inode *(*alloc_inode)(struct super_block *sb);
void (*destroy_inode)(struct inode *);
- void (*read_inode) (struct inode *);
-
void (*dirty_inode) (struct inode *);
int (*write_inode) (struct inode *, int);
void (*put_inode) (struct inode *);
@@ -1620,7 +1624,6 @@ extern int register_chrdev(unsigned int, const char *,
const struct file_operations *);
extern void unregister_chrdev(unsigned int, const char *);
extern void unregister_chrdev_region(dev_t, unsigned);
-extern int chrdev_open(struct inode *, struct file *);
extern void chrdev_show(struct seq_file *,off_t);
/* fs/block_dev.c */
@@ -1767,19 +1770,8 @@ extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*te
extern struct inode * iget_locked(struct super_block *, unsigned long);
extern void unlock_new_inode(struct inode *);
-static inline struct inode *iget(struct super_block *sb, unsigned long ino)
-{
- struct inode *inode = iget_locked(sb, ino);
-
- if (inode && (inode->i_state & I_NEW)) {
- sb->s_op->read_inode(inode);
- unlock_new_inode(inode);
- }
-
- return inode;
-}
-
extern void __iget(struct inode * inode);
+extern void iget_failed(struct inode *);
extern void clear_inode(struct inode *);
extern void destroy_inode(struct inode *);
extern struct inode *new_inode(struct super_block *);
@@ -1820,9 +1812,6 @@ extern ssize_t generic_file_buffered_write(struct kiocb *, const struct iovec *,
unsigned long, loff_t, loff_t *, size_t, ssize_t);
extern ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos);
extern ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos);
-extern void do_generic_mapping_read(struct address_space *mapping,
- struct file_ra_state *, struct file *,
- loff_t *, read_descriptor_t *, read_actor_t);
extern int generic_segment_checks(const struct iovec *iov,
unsigned long *nr_segs, size_t *count, int access_flags);
@@ -1860,18 +1849,6 @@ static inline int xip_truncate_page(struct address_space *mapping, loff_t from)
}
#endif
-static inline void do_generic_file_read(struct file * filp, loff_t *ppos,
- read_descriptor_t * desc,
- read_actor_t actor)
-{
- do_generic_mapping_read(filp->f_mapping,
- &filp->f_ra,
- filp,
- ppos,
- desc,
- actor);
-}
-
#ifdef CONFIG_BLOCK
ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, const struct iovec *iov, loff_t offset,
@@ -1941,7 +1918,9 @@ extern int vfs_stat_fd(int dfd, char __user *, struct kstat *);
extern int vfs_lstat_fd(int dfd, char __user *, struct kstat *);
extern int vfs_fstat(unsigned int, struct kstat *);
-extern int vfs_ioctl(struct file *, unsigned int, unsigned int, unsigned long);
+extern long vfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
+extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
+ unsigned long arg);
extern void get_filesystem(struct file_system_type *fs);
extern void put_filesystem(struct file_system_type *fs);
@@ -1996,6 +1975,9 @@ extern int __must_check inode_setattr(struct inode *, struct iattr *);
extern void file_update_time(struct file *file);
+extern int generic_show_options(struct seq_file *m, struct vfsmount *mnt);
+extern void save_mount_options(struct super_block *sb, char *options);
+
static inline ino_t parent_ino(struct dentry *dentry)
{
ino_t res;
@@ -2067,7 +2049,7 @@ static int __fops ## _open(struct inode *inode, struct file *file) \
static struct file_operations __fops = { \
.owner = THIS_MODULE, \
.open = __fops ## _open, \
- .release = simple_attr_close, \
+ .release = simple_attr_release, \
.read = simple_attr_read, \
.write = simple_attr_write, \
};
@@ -2079,9 +2061,9 @@ __simple_attr_check_format(const char *fmt, ...)
}
int simple_attr_open(struct inode *inode, struct file *file,
- u64 (*get)(void *), void (*set)(void *, u64),
+ int (*get)(void *, u64 *), int (*set)(void *, u64),
const char *fmt);
-int simple_attr_close(struct inode *inode, struct file *file);
+int simple_attr_release(struct inode *inode, struct file *file);
ssize_t simple_attr_read(struct file *file, char __user *buf,
size_t len, loff_t *ppos);
ssize_t simple_attr_write(struct file *file, const char __user *buf,