mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
synced 2026-04-18 03:23:53 -04:00
153 lines
6.0 KiB
C
153 lines
6.0 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 */
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/*
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*
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* Copyright (c) International Business Machines Corp., 2002, 2007
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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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#include <linux/hash.h>
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#define ROOT_I 2
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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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* 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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*/
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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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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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return (ino_t)fileid;
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}
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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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extern struct file_system_type cifs_fs_type, smb3_fs_type;
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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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/* Functions related to super block operations */
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void cifs_sb_active(struct super_block *sb);
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void cifs_sb_deactive(struct super_block *sb);
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/* Functions related to inodes */
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extern const struct inode_operations cifs_dir_inode_ops;
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struct inode *cifs_root_iget(struct super_block *sb);
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int cifs_create(struct mnt_idmap *idmap, struct inode *inode,
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struct dentry *direntry, umode_t mode, bool excl);
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int cifs_atomic_open(struct inode *inode, struct dentry *direntry,
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struct file *file, unsigned int oflags, umode_t mode);
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struct dentry *cifs_lookup(struct inode *parent_dir_inode,
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struct dentry *direntry, unsigned int flags);
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int cifs_unlink(struct inode *dir, struct dentry *dentry);
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int cifs_hardlink(struct dentry *old_file, struct inode *inode,
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struct dentry *direntry);
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int cifs_mknod(struct mnt_idmap *idmap, struct inode *inode,
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struct dentry *direntry, umode_t mode, dev_t device_number);
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struct dentry *cifs_mkdir(struct mnt_idmap *idmap, struct inode *inode,
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struct dentry *direntry, umode_t mode);
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int cifs_rmdir(struct inode *inode, struct dentry *direntry);
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int cifs_rename2(struct mnt_idmap *idmap, struct inode *source_dir,
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struct dentry *source_dentry, struct inode *target_dir,
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struct dentry *target_dentry, unsigned int flags);
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int cifs_revalidate_file_attr(struct file *filp);
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int cifs_revalidate_dentry_attr(struct dentry *dentry);
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int cifs_revalidate_file(struct file *filp);
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int cifs_revalidate_dentry(struct dentry *dentry);
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int cifs_revalidate_mapping(struct inode *inode);
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int cifs_zap_mapping(struct inode *inode);
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int cifs_getattr(struct mnt_idmap *idmap, const struct path *path,
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struct kstat *stat, u32 request_mask, unsigned int flags);
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int cifs_setattr(struct mnt_idmap *idmap, struct dentry *direntry,
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struct iattr *attrs);
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int cifs_fiemap(struct inode *inode, struct fiemap_extent_info *fei, u64 start,
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u64 len);
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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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extern const struct inode_operations cifs_namespace_inode_operations;
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/* Functions related to files and directories */
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extern const struct netfs_request_ops cifs_req_ops;
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extern const struct file_operations cifs_file_ops;
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extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
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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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int cifs_open(struct inode *inode, struct file *file);
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int cifs_close(struct inode *inode, struct file *file);
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int cifs_closedir(struct inode *inode, struct file *file);
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ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
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ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
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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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int cifs_flock(struct file *file, int cmd, struct file_lock *fl);
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int cifs_lock(struct file *file, int cmd, struct file_lock *flock);
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int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync);
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int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
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int datasync);
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int cifs_flush(struct file *file, fl_owner_t id);
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int cifs_file_mmap_prepare(struct vm_area_desc *desc);
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int cifs_file_strict_mmap_prepare(struct vm_area_desc *desc);
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extern const struct file_operations cifs_dir_ops;
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int cifs_readdir(struct file *file, struct dir_context *ctx);
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/* Functions related to dir entries */
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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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struct vfsmount *cifs_d_automount(struct path *path);
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/* Functions related to symlinks */
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const char *cifs_get_link(struct dentry *dentry, struct inode *inode,
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struct delayed_call *done);
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int cifs_symlink(struct mnt_idmap *idmap, struct inode *inode,
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struct dentry *direntry, const char *symname);
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#ifdef CONFIG_CIFS_XATTR
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extern const struct xattr_handler * const cifs_xattr_handlers[];
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ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size);
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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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ssize_t cifs_file_copychunk_range(unsigned int xid, struct file *src_file,
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loff_t off, struct file *dst_file,
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loff_t destoff, size_t len,
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unsigned int flags);
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long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg);
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void cifs_setsize(struct inode *inode, loff_t offset);
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struct smb3_fs_context;
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struct dentry *cifs_smb3_do_mount(struct file_system_type *fs_type, int flags,
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struct smb3_fs_context *old_ctx);
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#ifdef CONFIG_CIFS_NFSD_EXPORT
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extern const struct export_operations cifs_export_ops;
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#endif /* CONFIG_CIFS_NFSD_EXPORT */
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/* when changing internal version - update following two lines at same time */
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#define SMB3_PRODUCT_BUILD 59
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#define CIFS_VERSION "2.59"
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#endif /* _CIFSFS_H */
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