2021-06-18 00:31:49 -05:00
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/* SPDX-License-Identifier: LGPL-2.1 */
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2005-04-16 15:20:36 -07:00
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/*
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*
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2007-10-12 04:11:59 +00:00
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* Copyright (c) International Business Machines Corp., 2002, 2007
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2005-04-16 15:20:36 -07:00
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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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2014-05-02 13:50:02 -04:00
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#include <linux/hash.h>
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2005-04-16 15:20:36 -07:00
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#define ROOT_I 2
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2009-06-25 00:56:52 -04:00
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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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2014-05-02 13:50:02 -04:00
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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 00:56:52 -04:00
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*/
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2014-05-02 13:50:02 -04:00
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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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2014-05-02 13:50:02 -04:00
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return (ino_t)fileid;
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2016-02-29 14:44:57 +08:00
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2014-05-02 13:50:02 -04:00
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}
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2009-06-25 00:56:52 -04:00
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2016-09-16 12:44:21 +02:00
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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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2022-06-05 19:54:26 -03:00
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extern struct file_system_type cifs_fs_type, smb3_fs_type;
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2006-06-28 04:26:44 -07:00
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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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2005-04-16 15:20:36 -07:00
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2013-03-08 16:30:03 +01:00
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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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2005-04-16 15:20:36 -07:00
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/* Functions related to inodes */
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2007-02-12 00:55:38 -08:00
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extern const struct inode_operations cifs_dir_inode_ops;
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2011-02-21 23:56:59 -06:00
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extern struct inode *cifs_root_iget(struct super_block *);
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2023-01-13 12:49:13 +01:00
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extern int cifs_create(struct mnt_idmap *, struct inode *,
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2021-01-21 14:19:43 +01:00
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struct dentry *, umode_t, bool excl);
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2012-06-22 12:39:14 +04:00
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extern int cifs_atomic_open(struct inode *, struct dentry *,
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2018-06-08 13:32:02 -04:00
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struct file *, unsigned, umode_t);
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2007-07-13 00:33:32 +00:00
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extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
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2012-06-10 17:13:09 -04:00
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unsigned int);
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2008-09-16 14:05:16 -04:00
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extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
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2005-04-16 15:20:36 -07:00
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extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
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2023-01-13 12:49:16 +01:00
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extern int cifs_mknod(struct mnt_idmap *, struct inode *, struct dentry *,
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2021-01-21 14:19:43 +01:00
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umode_t, dev_t);
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2023-01-13 12:49:15 +01:00
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extern int cifs_mkdir(struct mnt_idmap *, struct inode *, struct dentry *,
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2021-01-21 14:19:43 +01:00
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umode_t);
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2005-04-16 15:20:36 -07:00
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extern int cifs_rmdir(struct inode *, struct dentry *);
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2023-01-13 12:49:17 +01:00
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extern int cifs_rename2(struct mnt_idmap *, struct inode *,
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2021-01-21 14:19:43 +01:00
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struct dentry *, struct inode *, struct dentry *,
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unsigned int);
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2011-04-07 18:18:11 +04:00
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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 07:44:18 -05:00
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extern int cifs_revalidate_file(struct file *filp);
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2010-02-12 07:44:16 -05:00
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extern int cifs_revalidate_dentry(struct dentry *);
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2014-04-30 09:31:46 -04:00
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extern int cifs_revalidate_mapping(struct inode *inode);
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2014-04-30 09:31:47 -04:00
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extern int cifs_zap_mapping(struct inode *inode);
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2023-01-13 12:49:12 +01:00
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extern int cifs_getattr(struct mnt_idmap *, const struct path *,
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2021-01-21 14:19:43 +01:00
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struct kstat *, u32, unsigned int);
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2023-01-13 12:49:11 +01:00
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extern int cifs_setattr(struct mnt_idmap *, struct dentry *,
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2021-01-21 14:19:43 +01:00
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struct iattr *);
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2019-04-25 16:45:29 +10:00
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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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2005-04-16 15:20:36 -07:00
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2007-02-12 00:55:38 -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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2023-08-17 12:34:04 -03:00
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extern const struct inode_operations cifs_namespace_inode_operations;
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2008-01-25 03:28:31 +00:00
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2005-04-16 15:20:36 -07:00
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/* Functions related to files and directories */
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2023-10-06 18:16:15 +01:00
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extern const struct netfs_request_ops cifs_req_ops;
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2006-03-28 01:56:42 -08:00
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extern const struct file_operations cifs_file_ops;
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2007-06-28 19:44:13 +00:00
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extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
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2010-12-12 13:11:13 +03:00
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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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2005-04-16 15:20:36 -07:00
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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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2014-04-02 19:53:36 -04:00
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extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
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2014-04-03 12:05:17 -04:00
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extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
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2023-10-12 08:36:44 +01:00
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ssize_t cifs_file_write_iter(struct kiocb *iocb, struct iov_iter *from);
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ssize_t cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter);
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2019-07-16 18:55:38 -05:00
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extern int cifs_flock(struct file *pfile, int cmd, struct file_lock *plock);
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2005-04-16 15:20:36 -07:00
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extern int cifs_lock(struct file *, int, struct file_lock *);
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2011-07-16 20:44:56 -04:00
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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 02:05:12 -07:00
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extern int cifs_flush(struct file *, fl_owner_t id);
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2022-12-08 16:11:00 -06:00
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extern int cifs_file_mmap(struct file *file, struct vm_area_struct *vma);
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extern int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma);
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2006-03-28 01:56:42 -08:00
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extern const struct file_operations cifs_dir_ops;
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2013-05-22 16:17:25 -04:00
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extern int cifs_readdir(struct file *file, struct dir_context *ctx);
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2005-04-16 15:20:36 -07:00
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/* Functions related to dir entries */
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2009-02-20 05:57:07 +00:00
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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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2005-04-16 15:20:36 -07:00
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2023-08-17 12:34:04 -03:00
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extern struct vfsmount *cifs_d_automount(struct path *path);
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2011-01-14 18:45:47 +00:00
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2005-04-16 15:20:36 -07:00
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/* Functions related to symlinks */
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2015-12-29 15:58:39 -05:00
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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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2023-01-13 12:49:14 +01:00
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extern int cifs_symlink(struct mnt_idmap *idmap, struct inode *inode,
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2021-01-21 14:19:43 +01:00
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struct dentry *direntry, const char *symname);
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2016-04-22 12:11:38 +02:00
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#ifdef CONFIG_CIFS_XATTR
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2023-09-30 02:00:27 -03:00
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extern const struct xattr_handler * const cifs_xattr_handlers[];
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2005-04-16 15:20:36 -07:00
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extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
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2016-04-22 12:11:38 +02:00
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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 16:03:51 +05:30
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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 05:51:55 +00:00
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extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
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2020-01-17 11:45:02 +10:00
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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 00:06:02 -06:00
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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 14:14:04 +02:00
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#ifdef CONFIG_CIFS_NFSD_EXPORT
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2007-10-21 16:42:17 -07:00
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extern const struct export_operations cifs_export_ops;
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2011-10-12 14:14:04 +02:00
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#endif /* CONFIG_CIFS_NFSD_EXPORT */
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2007-10-12 04:11:59 +00:00
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2022-06-01 23:23:09 -05:00
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/* when changing internal version - update following two lines at same time */
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2024-11-20 10:01:35 -06:00
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#define SMB3_PRODUCT_BUILD 52
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#define CIFS_VERSION "2.52"
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2005-04-16 15:20:36 -07:00
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#endif /* _CIFSFS_H */
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