diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index b33cfc97b9ca..a823d4be38e7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -44,6 +44,7 @@ struct vm_area_struct; struct vfsmount; struct cred; struct swap_info_struct; +struct seq_file; extern void __init inode_init(void); extern void __init inode_init_early(void); @@ -418,7 +419,7 @@ struct address_space { struct backing_dev_info *backing_dev_info; /* device readahead, etc */ spinlock_t private_lock; /* for use by the address_space */ struct list_head private_list; /* ditto */ - struct address_space *assoc_mapping; /* ditto */ + void *private_data; /* ditto */ } __attribute__((aligned(sizeof(long)))); /* * On most architectures that alignment is already the case; but @@ -462,8 +463,6 @@ struct block_device { int bd_fsfreeze_count; /* Mutex for freeze */ struct mutex bd_fsfreeze_mutex; - /* A semaphore that prevents I/O while block size is being changed */ - struct percpu_rw_semaphore bd_block_size_semaphore; }; /* @@ -1545,6 +1544,7 @@ struct file_operations { int (*setlease)(struct file *, long, struct file_lock **); long (*fallocate)(struct file *file, int mode, loff_t offset, loff_t len); + int (*show_fdinfo)(struct seq_file *m, struct file *f); }; struct inode_operations { @@ -1580,8 +1580,6 @@ struct inode_operations { umode_t create_mode, int *opened); } ____cacheline_aligned; -struct seq_file; - ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, unsigned long nr_segs, unsigned long fast_segs, struct iovec *fast_pointer, @@ -1812,6 +1810,8 @@ struct file_system_type { #define FS_REQUIRES_DEV 1 #define FS_BINARY_MOUNTDATA 2 #define FS_HAS_SUBTYPE 4 +#define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */ +#define FS_USERNS_DEV_MOUNT 16 /* A userns mount does not imply MNT_NODEV */ #define FS_REVAL_DOT 16384 /* Check the paths ".", ".." for staleness */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */ struct dentry *(*mount) (struct file_system_type *, int, @@ -2049,7 +2049,6 @@ extern void unregister_blkdev(unsigned int, const char *); extern struct block_device *bdget(dev_t); extern struct block_device *bdgrab(struct block_device *bdev); extern void bd_set_size(struct block_device *, loff_t size); -extern sector_t blkdev_max_block(struct block_device *bdev); extern void bd_forget(struct inode *inode); extern void bdput(struct block_device *); extern void invalidate_bdev(struct block_device *); @@ -2289,9 +2288,9 @@ extern ino_t find_inode_number(struct dentry *, struct qstr *); #include <linux/err.h> /* needed for stackable file system support */ -extern loff_t default_llseek(struct file *file, loff_t offset, int origin); +extern loff_t default_llseek(struct file *file, loff_t offset, int whence); -extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin); +extern loff_t vfs_llseek(struct file *file, loff_t offset, int whence); extern int inode_init_always(struct super_block *, struct inode *); extern void inode_init_once(struct inode *); @@ -2379,8 +2378,6 @@ extern int generic_segment_checks(const struct iovec *iov, unsigned long *nr_segs, size_t *count, int access_flags); /* fs/block_dev.c */ -extern ssize_t blkdev_aio_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); 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, @@ -2401,11 +2398,11 @@ extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, extern void file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); -extern loff_t noop_llseek(struct file *file, loff_t offset, int origin); -extern loff_t no_llseek(struct file *file, loff_t offset, int origin); -extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin); +extern loff_t noop_llseek(struct file *file, loff_t offset, int whence); +extern loff_t no_llseek(struct file *file, loff_t offset, int whence); +extern loff_t generic_file_llseek(struct file *file, loff_t offset, int whence); extern loff_t generic_file_llseek_size(struct file *file, loff_t offset, - int origin, loff_t maxsize, loff_t eof); + int whence, loff_t maxsize, loff_t eof); extern int generic_file_open(struct inode * inode, struct file * filp); extern int nonseekable_open(struct inode * inode, struct file * filp); |