Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  *   fs/cifs/cifsfs.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *   Copyright (c) International Business Machines  Corp., 2002, 2007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *   Author(s): Steve French (sfrench@us.ibm.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *   This library is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *   it under the terms of the GNU Lesser General Public License as published
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *   by the Free Software Foundation; either version 2.1 of the License, or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *   (at your option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *   This library is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *   the GNU Lesser General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *   You should have received a copy of the GNU Lesser General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  *   along with this library; if not, write to the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #ifndef _CIFSFS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define _CIFSFS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/hash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define ROOT_I 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  * so that it will fit. We use hash_64 to convert the value to 31 bits, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * then add 1, to ensure that we don't end up with a 0 as the value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) static inline ino_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) cifs_uniqueid_to_ino_t(u64 fileid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	if ((sizeof(ino_t)) < (sizeof(u64)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 		return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	return (ino_t)fileid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) static inline void cifs_set_time(struct dentry *dentry, unsigned long time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	dentry->d_fsdata = (void *) time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) static inline unsigned long cifs_get_time(struct dentry *dentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	return (unsigned long) dentry->d_fsdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) extern struct file_system_type cifs_fs_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) extern const struct address_space_operations cifs_addr_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) extern const struct address_space_operations cifs_addr_ops_smallbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) /* Functions related to super block operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) extern void cifs_sb_active(struct super_block *sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) extern void cifs_sb_deactive(struct super_block *sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) /* Functions related to inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) extern const struct inode_operations cifs_dir_inode_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) extern struct inode *cifs_root_iget(struct super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) extern int cifs_create(struct inode *, struct dentry *, umode_t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		       bool excl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) extern int cifs_atomic_open(struct inode *, struct dentry *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			    struct file *, unsigned, umode_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 				  unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) extern int cifs_mkdir(struct inode *, struct dentry *, umode_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) extern int cifs_rmdir(struct inode *, struct dentry *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) extern int cifs_rename2(struct inode *, struct dentry *, struct inode *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 			struct dentry *, unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) extern int cifs_revalidate_file_attr(struct file *filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) extern int cifs_revalidate_dentry_attr(struct dentry *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) extern int cifs_revalidate_file(struct file *filp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) extern int cifs_revalidate_dentry(struct dentry *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) extern int cifs_invalidate_mapping(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) extern int cifs_revalidate_mapping(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) extern int cifs_zap_mapping(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) extern int cifs_getattr(const struct path *, struct kstat *, u32, unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) extern int cifs_setattr(struct dentry *, struct iattr *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) extern int cifs_fiemap(struct inode *, struct fiemap_extent_info *, u64 start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		       u64 len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) extern const struct inode_operations cifs_file_inode_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) extern const struct inode_operations cifs_symlink_inode_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) extern const struct inode_operations cifs_dfs_referral_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) /* Functions related to files and directories */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) extern const struct file_operations cifs_file_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) extern const struct file_operations cifs_file_direct_nobrl_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) extern const struct file_operations cifs_file_strict_nobrl_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) extern int cifs_open(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) extern int cifs_close(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) extern int cifs_closedir(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) extern ssize_t cifs_direct_readv(struct kiocb *iocb, struct iov_iter *to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extern ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) extern ssize_t cifs_direct_writev(struct kiocb *iocb, struct iov_iter *from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) extern int cifs_flock(struct file *pfile, int cmd, struct file_lock *plock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) extern int cifs_lock(struct file *, int, struct file_lock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) extern int cifs_fsync(struct file *, loff_t, loff_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) extern int cifs_flush(struct file *, fl_owner_t id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) extern const struct file_operations cifs_dir_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) extern int cifs_dir_open(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) extern int cifs_readdir(struct file *file, struct dir_context *ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) /* Functions related to dir entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) extern const struct dentry_operations cifs_dentry_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) extern const struct dentry_operations cifs_ci_dentry_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #ifdef CONFIG_CIFS_DFS_UPCALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define cifs_dfs_d_automount NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /* Functions related to symlinks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) extern const char *cifs_get_link(struct dentry *, struct inode *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			struct delayed_call *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 			const char *symname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #ifdef CONFIG_CIFS_XATTR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) extern const struct xattr_handler *cifs_xattr_handlers[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) extern ssize_t	cifs_listxattr(struct dentry *, char *, size_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) # define cifs_xattr_handlers NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) # define cifs_listxattr NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) extern ssize_t cifs_file_copychunk_range(unsigned int xid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 					struct file *src_file, loff_t off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 					struct file *dst_file, loff_t destoff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 					size_t len, unsigned int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) extern void cifs_setsize(struct inode *inode, loff_t offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) extern int cifs_truncate_page(struct address_space *mapping, loff_t from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #ifdef CONFIG_CIFS_NFSD_EXPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) extern const struct export_operations cifs_export_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #endif /* CONFIG_CIFS_NFSD_EXPORT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) #define CIFS_VERSION   "2.29"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #endif				/* _CIFSFS_H */