diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 36b7abefacb..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); @@ -1618,7 +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 */ @@ -1807,9 +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); @@ -1847,18 +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, @@ -1985,6 +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; @@ -2056,7 +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, \ }; @@ -2068,9 +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, |