2021-06-18 13:31:49 +08:00
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/* SPDX-License-Identifier: LGPL-2.1 */
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2005-04-17 06:20:36 +08:00
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/*
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*
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2007-10-12 12:11:59 +08:00
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* Copyright (c) International Business Machines Corp., 2002, 2007
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2005-04-17 06:20:36 +08:00
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* Author(s): Steve French (sfrench@us.ibm.com)
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*
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*/
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#ifndef _CIFSFS_H
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#define _CIFSFS_H
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2014-05-03 01:50:02 +08:00
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#include <linux/hash.h>
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2005-04-17 06:20:36 +08:00
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#define ROOT_I 2
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2009-06-25 12:56:52 +08:00
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/*
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* ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
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2014-05-03 01:50:02 +08:00
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* so that it will fit. We use hash_64 to convert the value to 31 bits, and
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* then add 1, to ensure that we don't end up with a 0 as the value.
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2009-06-25 12:56:52 +08:00
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*/
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2014-05-03 01:50:02 +08:00
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static inline ino_t
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cifs_uniqueid_to_ino_t(u64 fileid)
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{
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2016-02-29 14:44:57 +08:00
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if ((sizeof(ino_t)) < (sizeof(u64)))
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return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
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2014-05-03 01:50:02 +08:00
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return (ino_t)fileid;
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2016-02-29 14:44:57 +08:00
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2014-05-03 01:50:02 +08:00
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}
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2009-06-25 12:56:52 +08:00
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2016-09-16 18:44:21 +08:00
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static inline void cifs_set_time(struct dentry *dentry, unsigned long time)
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{
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dentry->d_fsdata = (void *) time;
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}
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static inline unsigned long cifs_get_time(struct dentry *dentry)
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{
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return (unsigned long) dentry->d_fsdata;
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}
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2008-01-11 09:49:48 +08:00
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extern struct file_system_type cifs_fs_type;
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2006-06-28 19:26:44 +08:00
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extern const struct address_space_operations cifs_addr_ops;
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extern const struct address_space_operations cifs_addr_ops_smallbuf;
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2005-04-17 06:20:36 +08:00
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2013-03-08 23:30:03 +08:00
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/* Functions related to super block operations */
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extern void cifs_sb_active(struct super_block *sb);
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extern void cifs_sb_deactive(struct super_block *sb);
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2005-04-17 06:20:36 +08:00
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/* Functions related to inodes */
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2007-02-12 16:55:38 +08:00
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extern const struct inode_operations cifs_dir_inode_ops;
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2011-02-22 13:56:59 +08:00
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extern struct inode *cifs_root_iget(struct super_block *);
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2021-01-21 21:19:43 +08:00
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extern int cifs_create(struct user_namespace *, struct inode *,
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struct dentry *, umode_t, bool excl);
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2012-06-22 16:39:14 +08:00
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extern int cifs_atomic_open(struct inode *, struct dentry *,
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2018-06-09 01:32:02 +08:00
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struct file *, unsigned, umode_t);
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2007-07-13 08:33:32 +08:00
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extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
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2012-06-11 05:13:09 +08:00
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unsigned int);
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2008-09-17 02:05:16 +08:00
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extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
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2005-04-17 06:20:36 +08:00
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extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
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2021-01-21 21:19:43 +08:00
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extern int cifs_mknod(struct user_namespace *, struct inode *, struct dentry *,
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umode_t, dev_t);
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extern int cifs_mkdir(struct user_namespace *, struct inode *, struct dentry *,
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umode_t);
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2005-04-17 06:20:36 +08:00
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extern int cifs_rmdir(struct inode *, struct dentry *);
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2021-01-21 21:19:43 +08:00
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extern int cifs_rename2(struct user_namespace *, struct inode *,
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struct dentry *, struct inode *, struct dentry *,
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unsigned int);
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2011-04-07 22:18:11 +08:00
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extern int cifs_revalidate_file_attr(struct file *filp);
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extern int cifs_revalidate_dentry_attr(struct dentry *);
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2010-02-12 20:44:18 +08:00
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extern int cifs_revalidate_file(struct file *filp);
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2010-02-12 20:44:16 +08:00
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extern int cifs_revalidate_dentry(struct dentry *);
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2011-04-07 22:18:11 +08:00
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extern int cifs_invalidate_mapping(struct inode *inode);
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2014-04-30 21:31:46 +08:00
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extern int cifs_revalidate_mapping(struct inode *inode);
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2014-04-30 21:31:47 +08:00
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extern int cifs_zap_mapping(struct inode *inode);
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2021-01-21 21:19:43 +08:00
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extern int cifs_getattr(struct user_namespace *, const struct path *,
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struct kstat *, u32, unsigned int);
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extern int cifs_setattr(struct user_namespace *, struct dentry *,
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struct iattr *);
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2019-04-25 14:45:29 +08:00
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extern int cifs_fiemap(struct inode *, struct fiemap_extent_info *, u64 start,
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u64 len);
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2005-04-17 06:20:36 +08:00
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2007-02-12 16:55:38 +08:00
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extern const struct inode_operations cifs_file_inode_ops;
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extern const struct inode_operations cifs_symlink_inode_ops;
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2009-09-22 08:01:11 +08:00
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extern const struct inode_operations cifs_dfs_referral_inode_operations;
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2008-01-25 11:28:31 +08:00
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2005-04-17 06:20:36 +08:00
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/* Functions related to files and directories */
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2006-03-28 17:56:42 +08:00
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extern const struct file_operations cifs_file_ops;
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2007-06-29 03:44:13 +08:00
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extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
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2010-12-12 18:11:13 +08:00
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extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
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extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
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extern const struct file_operations cifs_file_direct_nobrl_ops;
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extern const struct file_operations cifs_file_strict_nobrl_ops;
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2005-04-17 06:20:36 +08:00
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extern int cifs_open(struct inode *inode, struct file *file);
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extern int cifs_close(struct inode *inode, struct file *file);
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extern int cifs_closedir(struct inode *inode, struct file *file);
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2014-04-03 07:53:36 +08:00
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extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to);
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2018-11-01 06:13:09 +08:00
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extern ssize_t cifs_direct_readv(struct kiocb *iocb, struct iov_iter *to);
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2014-04-03 07:53:36 +08:00
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extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
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2014-04-04 00:05:17 +08:00
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extern ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from);
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2018-11-01 06:13:10 +08:00
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extern ssize_t cifs_direct_writev(struct kiocb *iocb, struct iov_iter *from);
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2014-04-04 00:05:17 +08:00
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extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
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2019-07-17 07:55:38 +08:00
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extern int cifs_flock(struct file *pfile, int cmd, struct file_lock *plock);
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2005-04-17 06:20:36 +08:00
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extern int cifs_lock(struct file *, int, struct file_lock *);
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2011-07-17 08:44:56 +08:00
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extern int cifs_fsync(struct file *, loff_t, loff_t, int);
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extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
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2006-06-23 17:05:12 +08:00
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extern int cifs_flush(struct file *, fl_owner_t id);
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2005-04-17 06:20:36 +08:00
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extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
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2010-12-14 16:29:51 +08:00
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extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
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2006-03-28 17:56:42 +08:00
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extern const struct file_operations cifs_dir_ops;
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2005-04-17 06:20:36 +08:00
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extern int cifs_dir_open(struct inode *inode, struct file *file);
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2013-05-23 04:17:25 +08:00
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extern int cifs_readdir(struct file *file, struct dir_context *ctx);
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2005-04-17 06:20:36 +08:00
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/* Functions related to dir entries */
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2009-02-20 13:57:07 +08:00
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extern const struct dentry_operations cifs_dentry_ops;
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extern const struct dentry_operations cifs_ci_dentry_ops;
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2005-04-17 06:20:36 +08:00
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2011-01-15 02:45:47 +08:00
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#ifdef CONFIG_CIFS_DFS_UPCALL
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extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
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#else
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#define cifs_dfs_d_automount NULL
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#endif
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2005-04-17 06:20:36 +08:00
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/* Functions related to symlinks */
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2015-12-30 04:58:39 +08:00
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extern const char *cifs_get_link(struct dentry *, struct inode *,
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struct delayed_call *);
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2021-01-21 21:19:43 +08:00
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extern int cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode,
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struct dentry *direntry, const char *symname);
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2016-04-22 18:11:38 +08:00
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#ifdef CONFIG_CIFS_XATTR
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extern const struct xattr_handler *cifs_xattr_handlers[];
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2005-04-17 06:20:36 +08:00
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extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
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2016-04-22 18:11:38 +08:00
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#else
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# define cifs_xattr_handlers NULL
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# define cifs_listxattr NULL
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#endif
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2017-02-10 18:33:51 +08:00
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extern ssize_t cifs_file_copychunk_range(unsigned int xid,
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struct file *src_file, loff_t off,
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struct file *dst_file, loff_t destoff,
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size_t len, unsigned int flags);
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2008-05-15 13:51:55 +08:00
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extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
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2020-01-17 09:45:02 +08:00
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extern void cifs_setsize(struct inode *inode, loff_t offset);
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extern int cifs_truncate_page(struct address_space *mapping, loff_t from);
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2020-12-10 14:06:02 +08:00
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struct smb3_fs_context;
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extern struct dentry *cifs_smb3_do_mount(struct file_system_type *fs_type,
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int flags, struct smb3_fs_context *ctx);
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2011-10-12 20:14:04 +08:00
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#ifdef CONFIG_CIFS_NFSD_EXPORT
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2007-10-22 07:42:17 +08:00
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extern const struct export_operations cifs_export_ops;
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2011-10-12 20:14:04 +08:00
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#endif /* CONFIG_CIFS_NFSD_EXPORT */
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2007-10-12 12:11:59 +08:00
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2022-01-20 12:11:33 +08:00
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#define SMB3_PRODUCT_BUILD 35
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2022-04-02 06:50:59 +08:00
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#define CIFS_VERSION "2.36"
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2005-04-17 06:20:36 +08:00
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#endif /* _CIFSFS_H */
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