mirror of
https://github.com/torvalds/linux.git
synced 2024-11-29 23:51:37 +00:00
158 lines
6.2 KiB
C
158 lines
6.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 */
|
|
/*
|
|
*
|
|
* Copyright (c) International Business Machines Corp., 2002, 2007
|
|
* Author(s): Steve French (sfrench@us.ibm.com)
|
|
*
|
|
*/
|
|
|
|
#ifndef _CIFSFS_H
|
|
#define _CIFSFS_H
|
|
|
|
#include <linux/hash.h>
|
|
|
|
#define ROOT_I 2
|
|
|
|
/*
|
|
* ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
|
|
* so that it will fit. We use hash_64 to convert the value to 31 bits, and
|
|
* then add 1, to ensure that we don't end up with a 0 as the value.
|
|
*/
|
|
static inline ino_t
|
|
cifs_uniqueid_to_ino_t(u64 fileid)
|
|
{
|
|
if ((sizeof(ino_t)) < (sizeof(u64)))
|
|
return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
|
|
|
|
return (ino_t)fileid;
|
|
|
|
}
|
|
|
|
static inline void cifs_set_time(struct dentry *dentry, unsigned long time)
|
|
{
|
|
dentry->d_fsdata = (void *) time;
|
|
}
|
|
|
|
static inline unsigned long cifs_get_time(struct dentry *dentry)
|
|
{
|
|
return (unsigned long) dentry->d_fsdata;
|
|
}
|
|
|
|
extern struct file_system_type cifs_fs_type;
|
|
extern const struct address_space_operations cifs_addr_ops;
|
|
extern const struct address_space_operations cifs_addr_ops_smallbuf;
|
|
|
|
/* Functions related to super block operations */
|
|
extern void cifs_sb_active(struct super_block *sb);
|
|
extern void cifs_sb_deactive(struct super_block *sb);
|
|
|
|
/* Functions related to inodes */
|
|
extern const struct inode_operations cifs_dir_inode_ops;
|
|
extern struct inode *cifs_root_iget(struct super_block *);
|
|
extern int cifs_create(struct user_namespace *, struct inode *,
|
|
struct dentry *, umode_t, bool excl);
|
|
extern int cifs_atomic_open(struct inode *, struct dentry *,
|
|
struct file *, unsigned, umode_t);
|
|
extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
|
|
unsigned int);
|
|
extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
|
|
extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
|
|
extern int cifs_mknod(struct user_namespace *, struct inode *, struct dentry *,
|
|
umode_t, dev_t);
|
|
extern int cifs_mkdir(struct user_namespace *, struct inode *, struct dentry *,
|
|
umode_t);
|
|
extern int cifs_rmdir(struct inode *, struct dentry *);
|
|
extern int cifs_rename2(struct user_namespace *, struct inode *,
|
|
struct dentry *, struct inode *, struct dentry *,
|
|
unsigned int);
|
|
extern int cifs_revalidate_file_attr(struct file *filp);
|
|
extern int cifs_revalidate_dentry_attr(struct dentry *);
|
|
extern int cifs_revalidate_file(struct file *filp);
|
|
extern int cifs_revalidate_dentry(struct dentry *);
|
|
extern int cifs_invalidate_mapping(struct inode *inode);
|
|
extern int cifs_revalidate_mapping(struct inode *inode);
|
|
extern int cifs_zap_mapping(struct inode *inode);
|
|
extern int cifs_getattr(struct user_namespace *, const struct path *,
|
|
struct kstat *, u32, unsigned int);
|
|
extern int cifs_setattr(struct user_namespace *, struct dentry *,
|
|
struct iattr *);
|
|
extern int cifs_fiemap(struct inode *, struct fiemap_extent_info *, u64 start,
|
|
u64 len);
|
|
|
|
extern const struct inode_operations cifs_file_inode_ops;
|
|
extern const struct inode_operations cifs_symlink_inode_ops;
|
|
extern const struct inode_operations cifs_dfs_referral_inode_operations;
|
|
|
|
|
|
/* Functions related to files and directories */
|
|
extern const struct file_operations cifs_file_ops;
|
|
extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
|
|
extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
|
|
extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
|
|
extern const struct file_operations cifs_file_direct_nobrl_ops;
|
|
extern const struct file_operations cifs_file_strict_nobrl_ops;
|
|
extern int cifs_open(struct inode *inode, struct file *file);
|
|
extern int cifs_close(struct inode *inode, struct file *file);
|
|
extern int cifs_closedir(struct inode *inode, struct file *file);
|
|
extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to);
|
|
extern ssize_t cifs_direct_readv(struct kiocb *iocb, struct iov_iter *to);
|
|
extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
|
|
extern ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from);
|
|
extern ssize_t cifs_direct_writev(struct kiocb *iocb, struct iov_iter *from);
|
|
extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
|
|
extern int cifs_flock(struct file *pfile, int cmd, struct file_lock *plock);
|
|
extern int cifs_lock(struct file *, int, struct file_lock *);
|
|
extern int cifs_fsync(struct file *, loff_t, loff_t, int);
|
|
extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
|
|
extern int cifs_flush(struct file *, fl_owner_t id);
|
|
extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
|
|
extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
|
|
extern const struct file_operations cifs_dir_ops;
|
|
extern int cifs_dir_open(struct inode *inode, struct file *file);
|
|
extern int cifs_readdir(struct file *file, struct dir_context *ctx);
|
|
|
|
/* Functions related to dir entries */
|
|
extern const struct dentry_operations cifs_dentry_ops;
|
|
extern const struct dentry_operations cifs_ci_dentry_ops;
|
|
|
|
#ifdef CONFIG_CIFS_DFS_UPCALL
|
|
extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
|
|
#else
|
|
#define cifs_dfs_d_automount NULL
|
|
#endif
|
|
|
|
/* Functions related to symlinks */
|
|
extern const char *cifs_get_link(struct dentry *, struct inode *,
|
|
struct delayed_call *);
|
|
extern int cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode,
|
|
struct dentry *direntry, const char *symname);
|
|
|
|
#ifdef CONFIG_CIFS_XATTR
|
|
extern const struct xattr_handler *cifs_xattr_handlers[];
|
|
extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
|
|
#else
|
|
# define cifs_xattr_handlers NULL
|
|
# define cifs_listxattr NULL
|
|
#endif
|
|
|
|
extern ssize_t cifs_file_copychunk_range(unsigned int xid,
|
|
struct file *src_file, loff_t off,
|
|
struct file *dst_file, loff_t destoff,
|
|
size_t len, unsigned int flags);
|
|
|
|
extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
|
|
extern void cifs_setsize(struct inode *inode, loff_t offset);
|
|
extern int cifs_truncate_page(struct address_space *mapping, loff_t from);
|
|
|
|
struct smb3_fs_context;
|
|
extern struct dentry *cifs_smb3_do_mount(struct file_system_type *fs_type,
|
|
int flags, struct smb3_fs_context *ctx);
|
|
|
|
#ifdef CONFIG_CIFS_NFSD_EXPORT
|
|
extern const struct export_operations cifs_export_ops;
|
|
#endif /* CONFIG_CIFS_NFSD_EXPORT */
|
|
|
|
#define SMB3_PRODUCT_BUILD 35
|
|
#define CIFS_VERSION "2.36"
|
|
#endif /* _CIFSFS_H */
|