/* 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 #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, smb3_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 */ void cifs_sb_active(struct super_block *sb); void cifs_sb_deactive(struct super_block *sb); /* Functions related to inodes */ extern const struct inode_operations cifs_dir_inode_ops; struct inode *cifs_root_iget(struct super_block *sb); int cifs_create(struct mnt_idmap *idmap, struct inode *inode, struct dentry *direntry, umode_t mode, bool excl); int cifs_atomic_open(struct inode *inode, struct dentry *direntry, struct file *file, unsigned int oflags, umode_t mode); struct dentry *cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, unsigned int flags); int cifs_unlink(struct inode *dir, struct dentry *dentry); int cifs_hardlink(struct dentry *old_file, struct inode *inode, struct dentry *direntry); int cifs_mknod(struct mnt_idmap *idmap, struct inode *inode, struct dentry *direntry, umode_t mode, dev_t device_number); struct dentry *cifs_mkdir(struct mnt_idmap *idmap, struct inode *inode, struct dentry *direntry, umode_t mode); int cifs_rmdir(struct inode *inode, struct dentry *direntry); int cifs_rename2(struct mnt_idmap *idmap, struct inode *source_dir, struct dentry *source_dentry, struct inode *target_dir, struct dentry *target_dentry, unsigned int flags); int cifs_revalidate_file_attr(struct file *filp); int cifs_revalidate_dentry_attr(struct dentry *dentry); int cifs_revalidate_file(struct file *filp); int cifs_revalidate_dentry(struct dentry *dentry); int cifs_revalidate_mapping(struct inode *inode); int cifs_zap_mapping(struct inode *inode); int cifs_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, unsigned int flags); int cifs_setattr(struct mnt_idmap *idmap, struct dentry *direntry, struct iattr *attrs); int cifs_fiemap(struct inode *inode, struct fiemap_extent_info *fei, 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_namespace_inode_operations; /* Functions related to files and directories */ extern const struct netfs_request_ops cifs_req_ops; 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; int cifs_open(struct inode *inode, struct file *file); int cifs_close(struct inode *inode, struct file *file); int cifs_closedir(struct inode *inode, struct file *file); ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to); ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from); ssize_t cifs_file_write_iter(struct kiocb *iocb, struct iov_iter *from); ssize_t cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter); int cifs_flock(struct file *file, int cmd, struct file_lock *fl); int cifs_lock(struct file *file, int cmd, struct file_lock *flock); int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync); int cifs_strict_fsync(struct file *file, loff_t start, loff_t end, int datasync); int cifs_flush(struct file *file, fl_owner_t id); int cifs_file_mmap_prepare(struct vm_area_desc *desc); int cifs_file_strict_mmap_prepare(struct vm_area_desc *desc); extern const struct file_operations cifs_dir_ops; 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; struct vfsmount *cifs_d_automount(struct path *path); /* Functions related to symlinks */ const char *cifs_get_link(struct dentry *dentry, struct inode *inode, struct delayed_call *done); int cifs_symlink(struct mnt_idmap *idmap, struct inode *inode, struct dentry *direntry, const char *symname); #ifdef CONFIG_CIFS_XATTR extern const struct xattr_handler * const cifs_xattr_handlers[]; ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size); #else # define cifs_xattr_handlers NULL # define cifs_listxattr NULL #endif 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); long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg); void cifs_setsize(struct inode *inode, loff_t offset); struct smb3_fs_context; struct dentry *cifs_smb3_do_mount(struct file_system_type *fs_type, int flags, struct smb3_fs_context *old_ctx); #ifdef CONFIG_CIFS_NFSD_EXPORT extern const struct export_operations cifs_export_ops; #endif /* CONFIG_CIFS_NFSD_EXPORT */ /* when changing internal version - update following two lines at same time */ #define SMB3_PRODUCT_BUILD 59 #define CIFS_VERSION "2.59" #endif /* _CIFSFS_H */