| /* |
| * fs/cifs/cifsfs.h |
| * |
| * Copyright (c) International Business Machines Corp., 2002, 2007 |
| * Author(s): Steve French (sfrench@us.ibm.com) |
| * |
| * This library is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Lesser General Public License as published |
| * by the Free Software Foundation; either version 2.1 of the License, or |
| * (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public License |
| * along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #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 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 inode *, struct dentry *, umode_t, dev_t); |
| extern int cifs_mkdir(struct inode *, struct dentry *, umode_t); |
| extern int cifs_rmdir(struct inode *, struct dentry *); |
| extern int cifs_rename2(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(const struct path *, struct kstat *, u32, unsigned int); |
| extern int cifs_setattr(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_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 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); |
| #ifdef CONFIG_CIFS_NFSD_EXPORT |
| extern const struct export_operations cifs_export_ops; |
| #endif /* CONFIG_CIFS_NFSD_EXPORT */ |
| |
| #define CIFS_VERSION "2.23" |
| #endif /* _CIFSFS_H */ |
