fs/smb/client/cifsfs.h

Source file repositories/reference/linux-study-clean/fs/smb/client/cifsfs.h

File Facts

System
Linux kernel
Corpus path
fs/smb/client/cifsfs.h
Extension
.h
Size
6764 bytes
Lines
172
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

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_direct_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 fs_context;
struct smb3_fs_context;
struct dentry *cifs_smb3_do_mount(struct fs_context *fc,
				  struct smb3_fs_context *old_ctx);

char *cifs_silly_fullpath(struct dentry *dentry);

#define CIFS_TMPNAME_PREFIX	".__smbfile_tmp"
#define CIFS_TMPNAME_LEN	(DNAME_INLINE_LEN - 1)

#define CIFS_SILLYNAME_PREFIX	".__smbfile_silly"
#define CIFS_SILLYNAME_LEN	(DNAME_INLINE_LEN - 1)

#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 60
#define CIFS_VERSION   "2.60"
#endif				/* _CIFSFS_H */

Annotation

Implementation Notes